CN103902224A - Data storage method and management device and system for data storage - Google Patents
Data storage method and management device and system for data storage Download PDFInfo
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- CN103902224A CN103902224A CN201210574722.9A CN201210574722A CN103902224A CN 103902224 A CN103902224 A CN 103902224A CN 201210574722 A CN201210574722 A CN 201210574722A CN 103902224 A CN103902224 A CN 103902224A
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Abstract
The invention discloses a data storage method and a management device and system for data storage. The data storage method comprises the steps that a storage space distribution request is received, the storage performance level required by data, to be stored, corresponding to the storage space distribution request is determined according to the storage space distribution request, a storage space with the storage performance level is distributed for the data to be stored according to the storage performance level required by the data to be stored, and the data to be stored are stored in the storage space with the storage performance level. By the adoption of the data storage method and the management device and system for data storage, due to the fact that the storage space with the corresponding storage performance level can be distributed according to the requirement of the data for the storage performance level, the performance of a server can be fully performed.
Description
Technical field
The present invention relates to technical field of data storage, relate in particular to a kind of method and data storage management equipment and system of data storage.
Background technology
Along with the development of server technology, the capacity of server is increasing.For example, in the development of magnetic disc, compared with early stage low capacity mechanical disk, the inside and outside track data even density of current large capacity mechanical disk, the sector number that in unit interval, magnetic head streaks at magnetic track is directly proportional to track radius, it is many that the sector number Bi Nei road streaking at disk outer course streaks, so the data rate in the data rate Bi Nei road of disk outer course is high; And, due to disk outer course one, to enclose the data that data Bi Nei road one circle deposited deposits many, therefore, while transmitting identical data volume, the probability of magnetic track is switched than high in outer course region in region, Nei road, thereby seek time that need to be longer, this also can reduce the data rate in disk Nei Dao region.
In existing memory allocation scheme, in the time carrying out memory allocation, be, according to the time order and function order of data storage, search the order-assigned storage space of idle piece according to the outer course Dao Nei road of disk and realize data storage, only from storage time, simply first distribute the volume technical scheme of outer course storage space to fail to make full use of the performance of disk.
Summary of the invention
For solving in prior art memory allocation and needing the data of storage independent, thereby cause the problem of the performance that does not make full use of disk, the embodiment of the present invention provides a kind of method and data storage management equipment and system of data storage.
An aspect of of the present present invention provides a kind of method of data storage, comprising:
Receive memory allocation request;
According to described memory allocation request, determine the memory property rank of data demand to be stored corresponding to described memory allocation request;
According to the memory property rank of described data demand to be stored, for described data allocations to be stored has the storage space of described memory property rank.
In conjunction with first aspect, under the first implementation, described according to described memory allocation request, determine the memory property rank of data demand to be stored corresponding to described memory allocation request, specifically comprise:
Resolve described memory allocation request, obtain the information of the memory property rank of the described data demand to be stored that described memory allocation request carries.
In conjunction with first aspect, under the first implementation, described according to described memory allocation request, determine the memory property rank of data demand to be stored corresponding to described memory allocation request, specifically comprise:
Resolve described memory allocation request, obtain the type information of the application that sends described memory allocation request, according to the type information of described application, determine the memory property rank of the data demand to be stored of described application.
In conjunction with first aspect, under the first implementation, described according to the memory property rank of described data demand to be stored, for described data allocations to be stored has the storage space of described memory property rank, specifically comprise:
According to the memory property rank of described data demand to be stored, determine current assignable server, on the disk of described assignable server, possess the allocation units consistent with the memory property rank of described data demand to be stored.
In conjunction with first aspect, under the first implementation, described according to the memory property rank of described data demand to be stored, for described data allocations to be stored has the storage space of described memory property rank, specifically comprise:
In the described disk that comprises maximum described current assignable idle allocation units, assignable idle allocation units described in the storage area that comprises maximum described current assignable idle allocation units are distributed to described data to be stored, as the storage space of described data to be stored.
In conjunction with first aspect, under the first implementation, described according to the memory property rank of described data demand to be stored, determine current assignable server, specifically comprise:
According to the memory property rank of described data demand to be stored, determine assignable server described in one or two.
A second aspect of the present invention provides a kind of method of data storage, comprising:
Receive memory allocation request;
According to whether having idle allocation units in described memory allocation requesting query memory priority region; Wherein said memory priority region comprises: except the extra-regional each storage area in predetermined Nei road;
If described memory priority exists idle allocation units in region, the storage area that comprises maximum idle allocation units from described memory priority region is described data allocations storage space to be stored.
In conjunction with second aspect, under the first implementation, the described storage area that comprises maximum idle allocation units in described memory priority region, is described data allocations storage space to be stored, specifically comprises:
Server under described memory priority region sends query messages;
Determine the disk that comprises maximum described idle allocation units in described server, in described disk, determine the storage area that comprises maximum described idle allocation units, using the described storage area that comprises maximum described idle allocation units as described region to be allocated.
A third aspect of the present invention provides a kind of data storage management equipment, comprising:
Memory allocation request reception unit, for receiving memory allocation request;
Memory property rank determining unit, for according to described memory allocation request, determines the memory property rank of data demand to be stored corresponding to described memory allocation request;
Storage space allocation unit, for according to the memory property rank of described data demand to be stored, for described data allocations to be stored has the storage space of described memory property rank;
Storage operation unit, for storing described data to be stored at the described storage space with described memory property rank.The method of data storage, comprising:
In conjunction with the third aspect, under the first implementation, described memory property rank determining unit is specifically for resolving described memory allocation request, obtain the information of the memory property rank that is included in the described data demand to be stored in described memory allocation request.
In conjunction with the third aspect, under the first implementation, described memory property rank determining unit comprises:
Memory allocation request analysis unit, for resolving described memory allocation request, obtains the type information of the application of sending described memory allocation request;
Memory property class information acquiring unit, for according to the type information of described application, determines the memory property rank of the data demand to be stored of the application of described type.
A fourth aspect of the present invention provides a kind of data storage management system, comprising:
Server agent equipment, be used for receiving memory allocation request, according to described memory allocation request, determine the memory property rank of data demand to be stored corresponding to described memory allocation request, according to the memory property rank of described data demand to be stored, determine current assignable server, and send query messages, the memory property rank of carrying described data demand to be stored in described query messages to described assignable server;
Described at least one assignable described server is respectively arranged with at least one disk, and described at least one assignable server is the server that possesses the allocation units consistent with the memory property rank of described data demand to be stored; The query messages that described at least one described assignable server sends for receiving described server agent equipment, according to described query messages, determine and comprise the disk of described current assignable idle allocation units at most, in described disk, determine and comprise the storage area of described current assignable idle allocation units at most, described assignable idle allocation units in described storage area are distributed to described data to be stored, as the storage space of described data to be stored.
A fifth aspect of the present invention provides a kind of data storage management equipment, comprising:
Memory allocation request reception unit, for receiving memory allocation request;
Storage space allocation unit, for whether there are idle allocation units according to described memory allocation requesting query memory priority region, if there are idle allocation units in region in described memory priority: the storage area that comprises maximum idle allocation units from described memory priority region is described data allocations storage space to be stored; Wherein said memory priority region comprises: except the extra-regional each storage area in predetermined Nei road
Therefore, application embodiment of the present invention technical scheme, the present invention distributes the storage space with corresponding memory property rank to the requirement of memory property rank according to data, thereby make full use of the performance of disk, improves the overall performance of storage system.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is respectively the schematic flow sheet of the method for a kind of data storage of providing of the embodiment of the present invention 1;
Fig. 2 is respectively the schematic flow sheet of the method for the second data storage of providing of the embodiment of the present invention 1;
Fig. 3 is respectively the schematic flow sheet of the method for a kind of data storage of providing of the embodiment of the present invention 2;
Fig. 4 is the schematic diagram that the disk region in the embodiment of the present invention is divided;
Fig. 5 is respectively the schematic flow sheet of the method for the third data storage of providing of the embodiment of the present invention 1;
Fig. 6 is the schematic flow sheet of the method for a kind of data storage of providing of the embodiment of the present invention 3;
Fig. 7 is the schematic flow sheet of the method for a kind of data storage of providing of the embodiment of the present invention 4;
Fig. 8 is the schematic flow sheet of the method for the another kind of data storage that provides of the embodiment of the present invention 4;
Fig. 9 is the schematic flow sheet of the method for a kind of data storage of providing of the embodiment of the present invention 5;
Figure 10 is the schematic flow sheet of the method for the another kind of data storage that provides of the embodiment of the present invention 5;
Figure 11 is the schematic flow sheet of the method for the another kind of data storage of the embodiment of the present invention 6 confessions;
Figure 12 is the schematic flow sheet of the method for a kind of data storage of the embodiment of the present invention 7;
The schematic flow sheet of the method for the another kind of data storage of Figure 13 embodiment of the present invention 7;
The structural representation of a kind of data storage management system that Figure 14 embodiment of the present invention 8 provides;
The structural representation of the another kind of data storage management system that Figure 15 embodiment of the present invention 8 provides;
The structural representation of a kind of data storage management system that Figure 16 embodiment of the present invention 9 provides;
The structural representation of a kind of data storage management system that Figure 17 embodiment of the present invention 12 provides;
The structural representation of a kind of data storage management system that Figure 18 embodiment of the present invention 10 provides;
The distribution schematic diagram that in Figure 19 embodiment of the present invention 12, before disk one fault, the data of application A take up room on disk one;
Figure 20 is adopting when the embodiment of the present invention 4, and the Data Migration of applying after disk failure is to the distribution schematic diagram taking up room on new disk;
Figure 21 is adopting when the embodiment of the present invention 7, and the Data Migration of applying after disk failure is to the distribution schematic diagram taking up room on new disk.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Embodiment 1:
As shown in Figure 1, embodiments of the invention provide a kind of method of data storage on the one hand, comprising:
S11, the request of reception memory allocation.
S12, according to this memory allocation request, determine the memory property rank of data demand to be stored corresponding to this memory allocation request.
As shown in Figure 2, a kind of embodiment of step S12 is:
S121, resolve this memory allocation request, obtain the information of the memory property rank that is included in this data demand to be stored in this memory allocation request.
S13, according to the memory property rank of this data demand to be stored, for this data allocations to be stored has the storage space of this memory property rank.
S14, in having the storage space of this memory property rank, this stores this data to be stored.
As shown in Figure 5, step S13: according to the memory property rank of this data demand to be stored, for this data allocations to be stored has the storage space of this memory property rank, specifically comprise:
The server agent equipment of S131, storage system, according to the memory property rank of data demand to be stored, is determined current assignable server, possesses the allocation units consistent with the memory property rank of this data demand to be stored on assignable server.
S132, server agent equipment send query messages, inclusion information in query messages: the memory property rank of assignable idle allocation units is consistent with the memory property rank of this data demand to be stored to assignable server.
S133, this server receive this query messages, determine and comprise the disk of these current assignable idle allocation units at most, in this disk, determine and comprise the storage area of these current assignable idle allocation units at most, these assignable idle allocation units in this storage area are distributed to this data to be stored, as the storage space of these data to be stored.
The concrete implementing procedure of the method that a kind of data storage that the present embodiment provides is below described in distributed memory system.
As shown in figure 18, distributed memory system provides storage space for the application being deployed on cloud platform, there is storage management system server agent equipment in the management node deploy of distributed memory system, have server in each node deploy of multiple memory nodes; Each Servers installed has multiple disks, and this server is divided into N memory property region by the allocation units of each disk according to the height of logical address, this N the different N kind memory property rank of the concrete height in memory property region.
As shown in Figure 4, in the present embodiment, N=3, according to the height of memory property rank, from low to high the storage space of disk is divided into three regions according to the logical address of disk, is respectively outer course region, region, He Nei road, Zhong Dao region, wherein, outer course region is the highest region of memory property, and Nei Dao region is the region that memory property is minimum.
The correlation table of this server agent plant maintenance is server-assignment statistical form and server state table.This server-assignment statistical form records distribution number and the unallocated number of the allocation units of the various memory property ranks of each server.This server state table record server state is normal or fault; when the each initialization of server agent equipment; obtain corresponding information from server, if cannot communicate by letter with server, in server state table, this server state is labeled as to malfunction.
The correlation table of this server maintenance is disk allocation statistical form, disk allocation table (DAT) and Disk State table.This disk allocation statistical form records distribution number and the unallocated number of the allocation units in each memory property region on each disk of this server.Allocation units ranges of logical addresses corresponding to the state of the each allocation units on the each disk of this disk allocation table record and each memory property region.This Disk State table record Disk State is normal or fault.The in the situation that of disk failure, server refreshes Disk State table; The in the situation that of server failure, server agent equipment refreshing service device state table.After fault recovery, also to refresh corresponding state table.
When server initialization for the first time logically taking allocation units sizes AUS(such as 512M) disk is divided into multiple allocation units AU as unit, all allocation units AU are labeled as unallocated state, server is divided into different memory property regions by all allocation units according to logical address, and records allocation units ranges of logical addresses corresponding to each memory property region.When later each initialization of server, only need to load the data in the table of its maintenance.
In distributed memory system, the concrete implementing procedure of the method for a kind of data storage that the present embodiment provides is:
This storage management system server agent equipment receives memory allocation request;
Storage management system server agent equipment provides interface to application, while allowing to be applied in application storage space, specifies required allocation units number and the memory property rank of allocation units in memory allocation request; Resolve this memory allocation request, obtain the information of the memory property rank that is included in the data demand to be stored in this memory allocation request;
Server agent equipment is searched the more normal server of idle allocation units number of the memory property rank of data demand to be stored from the server-assignment statistical form of safeguarding, then server agent equipment sends query messages to this server; Server receives after this query messages, from the disk allocation statistical form of safeguarding, search the more disk of idle allocation units number of the memory property rank of data demand to be stored, then from the disk allocation table (DAT) of this disk of safeguarding, search the idle allocation units in corresponding stored performance zones, then the numbering of the address of the allocation units that find and this disk is returned to server agent equipment;
In these free time allocation units, store this data to be stored.
The server numbering finally inquiring and disk number and the unique logical address of the whole overall situation as these allocation units of the logical address of allocation units in disk are returned to application by server agent equipment; Refresh the server-assignment statistical form of its maintenance, the distribution number of the allocation units of this memory property rank of this server increases simultaneously, and the unallocated number of allocation units reduces, and this assignment messages is issued to this server; This server is received the disk allocation statistical form that refreshes its maintenance after this assignment messages, distribution number by the allocation units of this memory property rank of corresponding disk increases, unallocated number reduces, and refresh the disk allocation table (DAT) of corresponding disk, change into and distributing by the state of corresponding allocation units.
The present embodiment distributes the storage space with corresponding memory property rank to the requirement of memory property rank according to data, make memory property rank require lower data to be assigned to the storage space in the disk Nei Dao region that memory property rank is lower, the data that memory property rank is had relatively high expectations are assigned to the storage space in the disk outer course region that memory property rank is higher, thereby make full use of the performance of disk, improve the overall performance of storage system.
Embodiment 2:
As shown in Figure 3, the difference of the present embodiment and embodiment 1 is only, after step S11, carries out the another kind of embodiment of step S12 " according to this memory allocation request; determine the memory property rank of data demand to be stored corresponding to this memory allocation request ",
Step S122, resolve this memory allocation request, obtain the type information of the application of sending this memory allocation request, determine the memory property rank of the data demand to be stored of the application of the type.
In this mode, in memory allocation request, do not specify the memory property rank of data demand to be stored.
The concrete implementing procedure of the step S122 of the present embodiment in distributed memory system is:
Provide interface to application, while being applied in application storage space, do not specify the memory property rank of requirement, the parameter of the memory property rank of required allocation units is optional;
Storage management system server agent equipment receives after the storage allocation application of application, this memory allocation request of storage management system server agent device parses, obtain the type information of the application of sending this memory allocation request, determine the memory property rank of the data demand to be stored of the application of the type, according to the memory property rank of the data demand of the type judgement application of application.Such as, judge that the application of database and so on is had relatively high expectations to the memory property rank of disk, and the application of backup and so on requires to the memory property rank of disk lower.
Embodiment 3:
The present embodiment is applied to data in the scene of the backup preservation of different disk by the method for the data storage in above-described embodiment 1 or 2.
As shown in Figure 6, the first two step of the present embodiment is identical with step S11, S121 or the S122 (being step S12) of embodiment 1 or 2, in the present embodiment, step S13: according to the memory property rank of this data demand to be stored, for this data allocations to be stored has the storage space of this memory property rank, specifically comprise:
The server agent equipment of S131, this storage system is according to the memory property rank of this data demand to be stored, determine current assignable server, on this assignable server, possess the allocation units consistent with the memory property rank of this data demand to be stored.
The server agent equipment of S1322, this storage system sends respectively query messages to the first assignable server, the second assignable server.
S1333, the first assignable server are determined and are comprised the disk of current assignable idle allocation units at most according to query messages, determine and comprise the primary memory area of current assignable idle allocation units at most in disk; The second assignable server, according to query messages, is determined and is comprised the disk of current assignable idle allocation units at most, determines and comprise the back-up storage region of current assignable idle allocation units at most in disk.
Step S14: store data to be stored in the storage space with memory property rank, specifically comprise:
S141, the first assignable server are stored data to be stored in primary storage space, and the second assignable server backs up data to be stored in back up memory space.
Step S11, the S121 of embodiment 1 or 2 or S122 (being step S12) the concrete implementing procedure in distributed memory system is as in embodiment 1 or 2, and the step S131 of the present embodiment, S1322, the concrete implementing procedure of S1333 (being step S13) in distributed memory system are:
Server agent equipment is searched two more normal servers of allocation units number of the memory property rank of unappropriated data demand to be stored from the server-assignment statistical form of safeguarding, sends query messages then to two servers; Two servers receive after this query messages, from the disk allocation statistical form of safeguarding separately, search the more disk of allocation units number of the memory property rank of unappropriated data demand to be stored, then from the disk allocation table (DAT) of this disk of safeguarding separately, search the unappropriated allocation units in corresponding stored performance zones, then the numbering of the address of the allocation units that find and this disk is returned to server agent equipment.
Two servers numbering finally inquiring and two disk number and the unique logical address of the whole overall situation as allocation units of the logical address of allocation units in disk are returned to application by server agent equipment; Refresh the server-assignment statistical form of its maintenance, the distribution number of the allocation units of this memory property rank of two servers increases simultaneously, and the unallocated number of allocation units reduces, and this assignment messages is issued to two servers; Two servers are received the disk allocation statistical form that refreshes its maintenance after this assignment messages, distribution number by the allocation units of this memory property rank of corresponding disk increases, unallocated number reduces, and refresh the disk allocation table (DAT) of corresponding disk, change into and distributing by the state of corresponding allocation units.
In the idle allocation units of one of them disk finding, store data to be stored, the idle allocation units of another disk carry out backed up in synchronization preservation, and the allocation units of two disks form main and standby relation, are called main allocation units and backup allocation units.Application is carried out read-write operation to main allocation units, and backup allocation units are only carried out to synchronous writing operation, does not carry out read operation.Utilize strong consistency replication protocol technology, the data of carrying out active and standby two allocation units are synchronous, and this synchronization action is invisible to applying.
In the present embodiment, in the process of data backup, according to data, the requirement of memory property rank is distributed the active and standby storage space with corresponding memory property rank, thereby require the data of lower storage and backup to be assigned to the region, memory property rank compare Di Nei road of active and standby disk to memory property rank, the storage that memory property rank is had relatively high expectations and the data of backup are assigned to the higher outer course region of memory property rank of active and standby disk.Therefore, the present embodiment has been realized the performance that both makes full use of disk, makes again the data of storage and the data of backup on disk separately, have identical memory property rank, reduces memory property shake.
Embodiment 4:
The present embodiment is applied to the method for the data storage in above-described embodiment 1 or 2 in the scene of migration data after disk failure.
As shown in Figure 7, the step S14 in embodiment 3: after having and storing data to be stored in the storage space of memory property rank, also comprise:
S151, when first can distribution server or first can distribution server disk during in malfunction: by second, the back up memory space configuration on can distribution server can read server agent equipment; Server agent equipment read second can distribution server on the data of back up memory space, as data to be backed up.
Utilize strong consistency replication protocol technology, back up memory space is upgraded to primary storage space, that is, make the read-write operation of the storage space response application of second server, become primary storage space, this active and standby switching action is invisible to applying.
S16, server agent equipment can send query messages by distribution server to the 3rd.
S17, the 3rd can distribution server according to query messages, determine the disk that comprises maximum assignable idle allocation units, in disk, determine the storage area that comprises maximum assignable idle allocation units, using the storage area that comprises maximum assignable idle allocation units as the 3rd region to be allocated, the 3rd assignable server, in the 3rd region to be allocated, is data allocations the second back up memory space to be backed up.
S18, the 3rd assignable server back up data to be backed up in the second back up memory space.
This step is, utilizes strong consistency replication protocol technology, the back up memory space and the second back up memory space that upgrade to primary storage space re-established to main and standby relation, thereby reach the object of Data Migration.
Or, as shown in Figure 8, the step S14 in embodiment 3: have in the storage space of memory property rank and store data to be stored, afterwards, also carrying out following Data Migration step:
S152, when second can distribution server or second can distribution server disk during in malfunction: server agent equipment read first can distribution server on the data in primary storage space, as data to be backed up.
S16, server agent equipment can send query messages by distribution server to the 3rd.
S17, the 3rd can determine the disk that comprises maximum assignable idle allocation units by distribution server according to query messages, in disk, determine the storage area that comprises maximum assignable idle allocation units, using the storage area that comprises maximum assignable idle allocation units as the 3rd region to be allocated, the 3rd assignable server, in the 3rd region to be allocated, is data allocations the second back up memory space to be backed up.
S18, the 3rd assignable server back up data to be backed up in the second back up memory space.
This step is, utilizes strong consistency replication protocol technology, primary storage space and the second back up memory space re-established to main and standby relation, thereby reach the object of Data Migration.
In distributed memory system in the present embodiment and embodiment 3, server agent equipment is provided with allocation units main and standby relation maintenance module, carry out above-mentionedly moving relevant operation to data backup, , utilize strong consistency replication protocol technology, backup allocation units in main allocation units in primary storage space and back up memory space are distributed to application as the allocation units of a logic, the data of carrying out main allocation units and backup allocation units are synchronous, backup allocation units are upgraded to main allocation units and arrive after new backup allocation units for the Data Migration of the main allocation units after upgrading, main allocation units after upgrading and new backup allocation units are re-established to main and standby relation, or after new backup allocation units, former main allocation units and new backup allocation units are re-established to main and standby relation for the Data Migration at former main allocation units.
In the present embodiment, back up migration data after server failure time, high memory property region in the high memory property region of failed disk, that there is data backup that high memory property requires and move to new backup disk will be stored in, by be stored in the low memory property region of failed disk, there is the data backup that low memory property requires and move to the low memory property region of new backup disk, thereby reduce the memory property shake of data before and after migration.
Embodiment 5:
As shown in Figure 9, embodiments of the invention provide a kind of method of data storage on the other hand, comprising:
S21, the request of reception memory allocation.Provide one not based on memory allocation request in the present embodiment technical scheme, not based on type of service, and used up principle based on the predetermined memory priority region of storage system.
Can be, but not limited to the memory property rank without data to be stored in the memory allocation request of this step.
S22, according to whether having idle allocation units in described memory allocation requesting query storage priority area.
Wherein memory priority region comprises: except the extra-regional each storage area in predetermined Nei road.
If there are idle allocation units in region in S23 memory priority, perform step S24, otherwise, execution step S25.
S24, the storage area that comprises maximum idle allocation units in described memory priority region, be described data allocations storage space to be stored, in the storage space distributing, stores described data to be stored.
The storage area that comprises maximum idle allocation units in memory priority region is defined as to region to be allocated.
S25, in region, predetermined Nei road according to prior art storage data.
For example can be according to random storage mode storage data in prior art, also can be, but not limited to, according to thorn magnetic track technical scheme storage data from outside to inside, data are stored in Nei Dao region.
Therefore, application the present embodiment technical scheme, after only having the memory priority region of all disks of whole storage system occupied, just can be applied to the region, predetermined Nei road of disk, guarantee that data are stored in memory priority region, and in the time of storage, be preferentially stored in the memory priority region that idle allocation units are maximum.
As shown in figure 10, in step S24: the storage area that comprises maximum idle allocation units from described memory priority region is described data allocations storage space to be stored, in the storage space distributing, store described data to be stored, comprising:
The server agent equipment of S241, storage system sends query messages to the server under memory priority region.
S242, server receive query messages, according to the address information of idle allocation units, determine the disk that comprises maximum idle allocation units, in disk, determine the storage area that comprises maximum idle allocation units, using the storage area that comprises maximum idle allocation units as region to be allocated.
In distributed memory system, the concrete implementing procedure of the method for a kind of data storage that the present embodiment provides is:
Storage management system server agent equipment receives memory allocation request;
Provide interface to application, while applying to storage management system application storage space, neither specify the storage input and output rank requiring, also can't help the required memory property rank of storage management system judgement application, but for data allocations to be stored is at the storage space with high memory property rank except the extra-regional storage area in predetermined Nei road.
Server agent equipment is searched at the more normal server of allocation units number except the extra-regional storage area in predetermined Nei road from the server-assignment statistical form of safeguarding, sends query messages then to this server; Server receives after this query messages, from the disk allocation statistical form of safeguarding, search at the more disk of allocation units number except the extra-regional storage area in predetermined Nei road, then from the disk allocation table (DAT) of this disk of safeguarding, search the unappropriated allocation units in corresponding stored region, then the numbering of the address of the allocation units that find and this disk is returned to server agent equipment.In idle allocation units, store data to be stored.
The server numbering finally inquiring and disk number and the unique logical address of the whole overall situation as these allocation units of the logical address of allocation units in disk are returned to application by server agent equipment; Refresh the server-assignment statistical form of its maintenance, the distribution number of the allocation units of the high memory property rank of this server increases simultaneously, and the unallocated number of allocation units reduces, and this assignment messages is issued to this server; This server is received the disk allocation statistical form that refreshes its maintenance after this assignment messages, distribution number by the allocation units of this memory property rank of corresponding disk increases, unallocated number reduces, and refresh the disk allocation table (DAT) of corresponding disk, change into and distributing by the state of corresponding allocation units.
Identical with embodiment 1, in the present embodiment, according to the height of memory property rank, the storage space of disk is divided into three regions, be respectively outer course region, region, He Nei road, Zhong Dao region, wherein, outer course region is the highest region of memory property, and Nei Dao region is the region that memory property is minimum.So, the storage space of the high memory property rank in the present embodiment refers to region, He Zhong road, outer course region, gets rid of Nei Dao region.
The difference of the present embodiment and embodiment 1,2 is:
Embodiment 1, the 2nd, according to data, the requirement of memory property rank is distributed the storage space with corresponding memory property rank, and the present embodiment does not distribute the storage space with corresponding memory property rank to the requirement of memory property rank according to data, but be preferably data allocations to be stored and have the storage space of high memory property rank, reallocation has the storage space in disk Nei Dao region of low memory property rank, thereby reduce the use in the disk Nei Dao region to thering is low memory property rank, and improve the utilization factor harmony in the region beyond region, Liao Chunei road.
Embodiment 6:
The present embodiment is applied to data in the scene of the backup preservation of different disk by the method for the data storage in above-described embodiment 5.
As shown in figure 11, first step of the present embodiment is identical with the step S21 of embodiment 5, in the present embodiment, in step S24: the storage area that comprises maximum idle allocation units in described memory priority region, for described data allocations storage space to be stored, in the storage space distributing, store described data to be stored., specifically comprise:
The server agent equipment of S2411, storage system sends respectively query messages to first server, second server.
There are respectively idle allocation units in the memory priority region of the each disk on first server, second server wherein.
S2422, first server, second server are respectively according to query messages, determine the disk that comprises maximum idle allocation units, in disk, determine the storage area that comprises maximum idle allocation units, using the storage area that comprises maximum idle allocation units as the first region to be allocated, second server is according to query messages, determine the disk that comprises maximum idle allocation units, in disk, determine the storage area that comprises maximum idle allocation units, using the storage area that comprises maximum idle allocation units as the second region to be allocated.
S2433, first server are in the first region to be allocated, for data allocations primary storage to be stored space, in primary storage space, store data to be stored, second server is in the second region to be allocated, for data allocations back up memory space to be stored, in back up memory space, back up data to be stored.
The concrete implementing procedure of the step S21 of the present embodiment in distributed memory system is as in embodiment 5, and the concrete implementing procedure of the step S22 of the present embodiment in distributed memory system is:
Server agent equipment is searched two the more normal servers of allocation units number in the memory priority region with high memory property rank from the server-assignment statistical form of safeguarding, sends query messages then to two servers; Two servers receive after this query messages, from the disk allocation statistical form of safeguarding separately, search the more disk of allocation units number in the memory priority region with high memory property rank, then from the disk allocation table (DAT) of this disk of safeguarding separately, search the idle allocation units in corresponding stored region, then the numbering of the address of the allocation units that find and this disk is returned to server agent equipment.
Two servers numbering finally inquiring and two disk number and the unique logical address of the whole overall situation as allocation units of the logical address of allocation units in disk are returned to application by server agent equipment; Refresh the server-assignment statistical form of its maintenance, the distribution number of the allocation units of this memory property rank of two servers increases simultaneously, and the unallocated number of allocation units reduces, and this assignment messages is issued to two servers; Two servers are received the disk allocation statistical form that refreshes its maintenance after this assignment messages, distribution number by the allocation units of this memory property rank of corresponding disk increases, unallocated number reduces, and refresh the disk allocation table (DAT) of corresponding disk, change into and distributing by the state of corresponding allocation units.
In the idle allocation units of one of them disk finding, store data to be stored, the idle allocation units of another disk carry out backed up in synchronization preservation, and the allocation units of two disks form main and standby relation, are called main allocation units and backup allocation units.Application is carried out read-write operation to main allocation units, and backup allocation units are only carried out to synchronous writing operation, does not carry out read operation.Utilize strong consistency replication protocol technology, the data of carrying out active and standby two allocation units are synchronous, and this synchronization action is invisible to applying.
In the present embodiment, be preferably the storage space that data allocations to be stored has high memory property rank, reallocation has the storage space in disk Nei Dao region of low memory property rank, thereby reduce the use in the disk Nei Dao region to thering is low memory property rank, and improve the utilization factor harmony in the region beyond region, Liao Chunei road; And in the process of data backup, make data to be stored and data to be backed up all preferentially be stored in the storage space with high memory property rank, reduce memory property shake.
Embodiment 7:
The present embodiment is applied to the method for the data storage in above-described embodiment 5 in the scene of migration data after disk failure, as shown in figure 12, step S24 at embodiment 6: the storage area that comprises maximum idle allocation units in described memory priority region, for described data allocations storage space to be stored, in the storage space distributing, store described data to be stored., carry out afterwards following Data Migration step:
If the disk of S240 first server or first service, in malfunction, performs step S241, otherwise finish.
S241, server agent equipment can read the back up memory space configuration on second server, and server agent equipment reads the data of back up memory space on second server, as data to be backed up.
The server agent equipment of S25, storage system sends query messages to the 3rd server, inclusion information in query messages: the address information of idle allocation units in each memory priority region, wherein the memory priority region of the each disk on the 3rd server exists respectively idle allocation units.
S26, the 3rd server are according to receiving query messages, determine the disk that comprises maximum idle allocation units, in disk, determine the storage area that comprises maximum idle allocation units, using the storage area that comprises maximum idle allocation units as the 3rd region to be allocated, the 3rd server, in the 3rd region to be allocated, is data allocations the second back up memory space to be backed up.
S27, the 3rd server back up data to be backed up in the second back up memory space.
Like this, this step is, utilizes strong consistency replication protocol technology, re-establishes main and standby relation, thereby reach the object of Data Migration by upgrading to the backup allocation units of main allocation units and new backup allocation units in the back up memory space of second server.
Or as shown in figure 13, the step S24 at embodiment 6: the storage area that comprises maximum idle allocation units from described memory priority region is described data allocations storage space to be stored stores described data to be stored in the storage space distributing., carry out afterwards following Data Migration step:
If the disk of S242 second server or second server, in malfunction, performs step S243; Otherwise finish.
S243: server agent equipment reads the storage data in first server, as data to be backed up.
The server agent equipment of S25, storage system sends query messages to the 3rd server, inclusion information in query messages: the address information of idle allocation units in each memory priority region, wherein the memory priority region of the each disk on the 3rd server exists respectively idle allocation units.
S26, the 3rd server are according to query messages, determine the disk that comprises maximum idle allocation units, in disk, determine the storage area that comprises maximum idle allocation units, using the storage area that comprises maximum idle allocation units as the 3rd region to be allocated, the 3rd server, in the 3rd region to be allocated, is data allocations the second back up memory space to be backed up.
S27, the 3rd server back up data to be backed up in the second back up memory space.
Like this, this step is, utilizes strong consistency replication protocol technology, the main allocation units in the primary storage space of first server and new backup allocation units re-established to main and standby relation, thereby reach the object of Data Migration.
In distributed memory system in the present embodiment and embodiment 5, server agent equipment is provided with allocation units main and standby relation maintenance module, carry out above-mentionedly moving relevant operation to data backup, , utilize strong consistency replication protocol technology, main allocation units and backup allocation units are distributed to application as the allocation units of a logic, the data of carrying out main allocation units and backup allocation units are synchronous, backup allocation units are upgraded to main allocation units and arrive after new allocation units for the Data Migration of the main allocation units after upgrading, main allocation units after upgrading and new allocation units are re-established to main and standby relation, or after new allocation units, former main allocation units and new allocation units are re-established to main and standby relation for the Data Migration at former main allocation units.
In the present embodiment, be preferably the storage space that data allocations to be stored has high memory property rank, reallocation has the storage space in disk Nei Dao region of low memory property rank, thereby reduce the use in the disk Nei Dao region to thering is low memory property rank, and improve the utilization factor harmony in the region beyond region, Liao Chunei road; After server failure, make the storage data of normal server or Backup Data again preferential back-up storage at the storage space with high memory property rank, reduce memory property shake.
Embodiment 8:
As shown in figure 14, the present embodiment provides a kind of data storage management equipment 160.It mainly comprises:
Memory allocation request reception unit 11, for receiving memory allocation request.
Memory property rank determining unit 12, for according to memory allocation request, determines the memory property rank of data demand to be stored corresponding to memory allocation request.
Storage space allocation unit 13, for according to the memory property rank of data demand to be stored, for data allocations to be stored has the storage space of memory property rank.
In the present embodiment, as shown in Figure 15 data storage management equipment 170, memory property rank determining unit 12 is specially: memory allocation request analysis unit 121, be used for resolving memory allocation request, obtain the information of the memory property rank of the data demand to be stored being included in memory allocation request.
Further principle of work, can be, but not limited to referring to the corresponding description in embodiment 1-7.
Embodiment 9:
As shown in figure 16, the present embodiment is only from the different of embodiment 8: the memory property rank determining unit 12 in the data storage management equipment 180 that the present embodiment provides comprises:
Memory allocation request analysis unit 1221, for resolving memory allocation request, obtain the type information of the application of sending memory allocation request.
Memory property class information acquiring unit 1222, for according to the type information of application, determines the memory property rank of the data demand to be stored of the application of type.
Further principle of work, can be, but not limited to referring to the corresponding description in embodiment 1-7.
Embodiment 10:
For the method for a kind of data storage in embodiment 1 or 2 is implemented, as shown in figure 18, the present embodiment provides a kind of data storage management system 200, comprising:
Server agent equipment 2001, be used for receiving memory allocation request, according to memory allocation request, determine the memory property rank of data demand to be stored corresponding to memory allocation request, and according to the memory property rank of data demand to be stored, determine current assignable server, on assignable server, possess the allocation units consistent with the memory property rank of data demand to be stored, and send query messages to assignable server, in query messages, carry the address information of current assignable idle allocation units, the memory property rank of assignable idle allocation units is consistent with the memory property rank of data demand to be stored,
Described at least one assignable described server 2002 is respectively arranged with at least one disk, and described at least one assignable server 2002 is for possessing the server of the allocation units consistent with the memory property rank of described data demand to be stored; The query messages that described at least one described assignable server 2002 sends for receiving described server agent equipment, according to described query messages, determine and comprise the disk of described current assignable idle allocation units at most, in described disk, determine and comprise the storage area of described current assignable idle allocation units at most, described assignable idle allocation units in described storage area are distributed to described data to be stored, as the storage space of described data to be stored.
Further principle of work, can be, but not limited to referring to the corresponding description in embodiment 1-7.
Embodiment 11:
Implement for the method for a kind of data storage in embodiment 1 or 2, as shown in figure 18, the present embodiment provides another kind of data storage management system, comprising:
Server agent equipment, for sending query messages to assignable server, specifically: for sending respectively query messages to two servers,
Comprise at least two assignable servers.A wherein assignable server, specifically for according to receive query messages, according to the address information of current assignable idle allocation units, determine and comprise the disk of current assignable idle allocation units at most, in disk, determine and comprise the primary memory area of current assignable idle allocation units at most, in primary storage space, store data to be stored; Another assignable server, specifically for according to receive query messages, receive query messages, according to the address information of current assignable idle allocation units, determine and comprise the disk of current assignable idle allocation units at most, in disk, determine and comprise the primary memory area of current assignable idle allocation units at most, in back up memory space, back up data to be stored.
Further principle of work, can be, but not limited to referring to the corresponding description in embodiment 1-7.
Embodiment 12:
As shown in figure 17, the present embodiment provides a kind of data storage management equipment 190, comprising:
Memory allocation request reception unit 21, for receiving memory allocation request;
Storage space allocation unit 22, whether there are idle allocation units for the memory priority region of determining disk, wherein memory priority region comprises: except the extra-regional each storage area in predetermined Nei road, if there are idle allocation units in memory priority region,: the storage area that comprises maximum idle allocation units in memory priority region is defined as to region to be allocated, in region to be allocated, it is data allocations storage space to be stored.
Further principle of work is referring to the description of the method for a kind of data storage in embodiment 5.
The method and system of following application data storage of the present invention carries out the technique effect that Data Migration reaches.Describe as an example of the existing data backup migration scheme shown in Fig. 2 example, as shown in Figure 19-21, the storage area of disk is divided into outer course region, San Ge region, region, He Nei road, Zhong Dao region, in figure, the direction indication of arrow is from region, Dao Nei road, outer course region.
Figure 19 is the distribution schematic diagram that the data of application A before disk one fault take up room on disk one.Each fritter in each magnetic track region represents an allocation units AU.In Figure 19, be expressed as the storage space of the data allocations of application A with the fritter of oblique line, the fritter with horizontal line pattern is expressed as the storage space that other application datas are distributed, and the fritter of white represents untapped storage space.
After the disk one at data place of application A breaks down, the data of application A can be recovered move on normal disk by standby data, such as disk three.
In the embodiment of the present invention 4, on disk three, for application A memory allocated space, in corresponding magnetic track region, distribute idle allocation units according to the memory property rank of the data demand in application.
As shown in figure 19, before Data Migration, application A has the storage space of 9 allocation units to be positioned at outer course region, the storage space of 7 allocation units is positioned at Zhong Dao region, as shown in figure 20, after Data Migration, applying A still has the storage space of 9 allocation units to be positioned at outer course region, the storage space of 7 allocation units is positioned at Zhong Dao region, less with the performance difference before Data Migration, has reduced the performance shake of Data Migration front and back.
In the embodiment of the present invention 7, it on disk three, is application A memory allocated space, in the high storage area of storage space, inquire about the more region of idle allocation units, then in this region, inquire about idle allocation units, in the present embodiment, in region, He Zhong road, outer course region, inquire about the more region of idle allocation units, then in this region, inquire about idle allocation units.As shown in figure 21, because data are stored in disk for the moment, got rid of region, performance compare Di Nei road, only be stored in region, He Zhong road, outer course region, Data Migration during to disk three, is also only stored in region, He Zhong road, outer course region, thereby has reduced the performance shake before and after Data Migration.
And, first in region, He Zhong road, outer course region, inquire about the more region of idle allocation units, then in this region, inquire about idle allocation units, as shown in figure 21, because Zhong Dao region is than many two free memory blocks in outer course region, so, in the time that Data Migration stores disk three into, first be stored in Zhong Dao region, when additional two free memory blocks in central region, road have been stored data, Zhong Dao region is identical with the free memory blocks quantity in outer course region, then carries out equilibrium and distribute, thereby improves the utilization factor harmony in the region beyond Chu Nei road.
Device embodiment described above is only schematic, the wherein said unit as separating component explanation can or can not be also physically to separate, the parts that show as unit can be or can not be also physical locations, can be positioned at a place, or also can be distributed in multiple network element.Can select according to the actual needs some or all of module wherein to realize the object of the present embodiment scheme.Those of ordinary skill in the art, in the situation that not paying performing creative labour, are appreciated that and implement.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that each embodiment can add essential general hardware platform by software and realize, and can certainly pass through hardware.Based on such understanding, the part that technique scheme contributes to prior art in essence in other words can embody with the form of software product, this computer software product can be stored in computer-readable recording medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions (can be personal computers in order to make a computer equipment, server, or the network equipment etc.) carry out the method described in some part of each embodiment or embodiment.
Above-described embodiment, does not form the restriction to this technical scheme protection domain.The amendment done within any spirit at above-mentioned embodiment and principle, be equal to and replace and improvement etc., within all should being included in the protection domain of this technical scheme.
Claims (13)
1. a method for data storage, is characterized in that, comprising:
Receive memory allocation request;
According to described memory allocation request, determine the memory property rank of data demand to be stored corresponding to described memory allocation request;
According to the memory property rank of described data demand to be stored, for described data allocations to be stored has the storage space of described memory property rank.
2. the method for data storage according to claim 1, is characterized in that,
Described according to described memory allocation request, determine the memory property rank of data demand to be stored corresponding to described memory allocation request, specifically comprise:
Resolve described memory allocation request, obtain the information of the memory property rank of the described data demand to be stored that described memory allocation request carries.
3. the method for data storage according to claim 1, is characterized in that,
Described according to described memory allocation request, determine the memory property rank of data demand to be stored corresponding to described memory allocation request, specifically comprise:
Resolve described memory allocation request, obtain the type information of the application that sends described memory allocation request, according to the type information of described application, determine the memory property rank of the data demand to be stored of described application.
4. according to the method for arbitrary described data storage in claims 1 to 3, it is characterized in that,
Described according to the memory property rank of described data demand to be stored, for described data allocations to be stored has the storage space of described memory property rank, specifically comprise:
According to the memory property rank of described data demand to be stored, determine current assignable server, on the disk of described assignable server, possess the allocation units consistent with the memory property rank of described data demand to be stored.
5. according to the method for arbitrary described data storage in claims 1 to 3, it is characterized in that,
Described according to the memory property rank of described data demand to be stored, for described data allocations to be stored has the storage space of described memory property rank, specifically comprise:
In the described disk that comprises maximum described current assignable idle allocation units, assignable idle allocation units described in the storage area that comprises maximum described current assignable idle allocation units are distributed to described data to be stored, as the storage space of described data to be stored.
6. the method for data storage according to claim 4, is characterized in that,
Described according to the memory property rank of described data demand to be stored, determine current assignable server, specifically comprise:
According to the memory property rank of described data demand to be stored, determine assignable server described in one or two.
7. a method for data storage, is characterized in that, comprising:
Receive memory allocation request;
According to whether having idle allocation units in described memory allocation requesting query memory priority region; Wherein said memory priority region comprises: except the extra-regional each storage area in predetermined Nei road;
If described memory priority exists idle allocation units in region, the storage area that comprises maximum idle allocation units from described memory priority region is described data allocations storage space to be stored.
8. the method for data storage according to claim 7, is characterized in that,
The described storage area that comprises maximum idle allocation units in described memory priority region, is described data allocations storage space to be stored, specifically comprises:
Server under described memory priority region sends query messages;
Determine the disk that comprises maximum described idle allocation units in described server, in described disk, determine the storage area that comprises maximum described idle allocation units, using the described storage area that comprises maximum described idle allocation units as described region to be allocated.
9. a data storage management equipment, is characterized in that, comprising:
Memory allocation request reception unit, for receiving memory allocation request;
Memory property rank determining unit, for according to described memory allocation request, determines the memory property rank of data demand to be stored corresponding to described memory allocation request;
Storage space allocation unit, for according to the memory property rank of described data demand to be stored, for described data allocations to be stored has the storage space of described memory property rank;
Storage operation unit, for storing described data to be stored at the described storage space with described memory property rank.
10. data storage management equipment according to claim 9, is characterized in that,
Described memory property rank determining unit is specifically for resolving described memory allocation request, obtain the information of the memory property rank that is included in the described data demand to be stored in described memory allocation request.
11. data storage management equipment according to claim 9, is characterized in that,
Described memory property rank determining unit comprises:
Memory allocation request analysis unit, for resolving described memory allocation request, obtains the type information of the application of sending described memory allocation request;
Memory property class information acquiring unit, for according to the type information of described application, determines the memory property rank of the data demand to be stored of the application of described type.
12. 1 kinds of data storage management systems, is characterized in that, comprising:
Server agent equipment, be used for receiving memory allocation request, according to described memory allocation request, determine the memory property rank of data demand to be stored corresponding to described memory allocation request, according to the memory property rank of described data demand to be stored, determine current assignable server, and send query messages, the memory property rank of carrying described data demand to be stored in described query messages to described assignable server;
Described at least one assignable described server is respectively arranged with at least one disk, and described at least one assignable server is the server that possesses the allocation units consistent with the memory property rank of described data demand to be stored;
The query messages that described at least one described assignable server sends for receiving described server agent equipment, according to described query messages, determine and comprise the disk of described current assignable idle allocation units at most, in described disk, determine and comprise the storage area of described current assignable idle allocation units at most, described assignable idle allocation units in described storage area are distributed to described data to be stored, as the storage space of described data to be stored.
13. 1 kinds of data storage management equipment, is characterized in that, comprising:
Memory allocation request reception unit, for receiving memory allocation request;
Storage space allocation unit, for whether there are idle allocation units according to described memory allocation requesting query memory priority region, if there are idle allocation units in region in described memory priority: the storage area that comprises maximum idle allocation units from described memory priority region is described data allocations storage space to be stored; Wherein said memory priority region comprises: except the extra-regional each storage area in predetermined Nei road.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111026337A (en) * | 2019-12-30 | 2020-04-17 | 中科星图股份有限公司 | Distributed storage method based on machine learning and ceph thought |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1716917A (en) * | 2004-06-30 | 2006-01-04 | 中兴通讯股份有限公司 | Method for improving multimedia message central service processing property by buffer storage |
| CN101827121A (en) * | 2010-03-12 | 2010-09-08 | 成都市华为赛门铁克科技有限公司 | Method, service end and system for creating files in RAID (Redundant Array of Independent Disk) |
-
2012
- 2012-12-26 CN CN201210574722.9A patent/CN103902224A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1716917A (en) * | 2004-06-30 | 2006-01-04 | 中兴通讯股份有限公司 | Method for improving multimedia message central service processing property by buffer storage |
| CN101827121A (en) * | 2010-03-12 | 2010-09-08 | 成都市华为赛门铁克科技有限公司 | Method, service end and system for creating files in RAID (Redundant Array of Independent Disk) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111026337A (en) * | 2019-12-30 | 2020-04-17 | 中科星图股份有限公司 | Distributed storage method based on machine learning and ceph thought |
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