CN103106045A - Data migration method, system and device at host machine end - Google Patents
Data migration method, system and device at host machine end Download PDFInfo
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- CN103106045A CN103106045A CN2012105570568A CN201210557056A CN103106045A CN 103106045 A CN103106045 A CN 103106045A CN 2012105570568 A CN2012105570568 A CN 2012105570568A CN 201210557056 A CN201210557056 A CN 201210557056A CN 103106045 A CN103106045 A CN 103106045A
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Abstract
The invention provides a data migration method, a data migration system and a data migration device at the host machine end. The data migration method comprises the steps of ascertaining the source address of a target data object and ascertaining the migration strategy of the target data object, wherein the source logical hard disc which the target data object belongs to comprises a plurality of data objects; and sending object migration information to a storage system, wherein the object migration information comprises the source address of the target data object and the migration strategy of the target data object, so that the storage system can obtain the target data object according to the source address of the target data object and migrates the target data object according to the migration strategy of the target data object conveniently. According to the data migration method, the data migration system and the data migration device at the host machine end, data migration granularity can be reduced and refined performance adjustment can be achieved.
Description
Technical field
The present invention relates to the communications field, and more particularly, relate to a kind of data migration method and system, host side equipment.
Background technology
Information life management cycle (Information Lifecycle Management, be called for short " ILM "), a kind of thought and knowledge and the management method to the data ecological chain in whole infotech (Information Technology is called for short " IT ") system or other data systems.And hierarchical storage management (Hierarchical Storage Management is called for short " HSM ") exists as realizing a kind of technological means of ILM.HSM is between different material layers is inferior, and different demands is corresponding one by one from different material levels, and keeps this corresponding relation.The meaning of data hierarchy storage administration is that host side can indicate storage system will access frequent and performance requirement has higher data placement at performance high disk or disk array (Redundant Arrays of Inexpensive Disks, abbreviation " RAID ") in group, those are seldom accessed or the not high data of performance requirement are all moved in the low disk of performance or disk array group and high-performance disk or RAID group in former preemption, for example, in the disk of bottom, thereby realize making the best use of everything.
yet, heritage storage system is after the migration order for certain data object of receiving host side, whole logical unit number (Logic Unit Number with this data object of migration place, be called for short " LUN ") (LUN refers to a kind of logic hard disk that host side can be accessed, for example, hard disk is inserted in main frame this locality, will make this hard disk exist as LUN) move for granularity, for example, the target storage level of migration is solid state hard disc (Solid State Disk, be called for short " SSD "), in a single day whole LUN is migrated to SSD, and find subsequently to only have some zone in this LUN to be hot spot data (Hot Spot), remainder still takies the SSD space so, just belong to a kind of waste.
Summary of the invention
The embodiment of the present invention provides a kind of data migration method, host side equipment and data mover system, can reduce the Data Migration granularity, realizes the property regulation that becomes more meticulous.
First aspect provides a kind of data migration method, comprising:
Determine the source address of target data object, and the migration strategy of determining described target data object, wherein, the source logic hard disk under described target data object comprises a plurality of data objects;
Send object migration information to storage system, described object migration information comprises source address and the described migration strategy of described target data object, so that described storage system is obtained described target data object according to the source address of described target data object, and according to the described target data object of described migration strategy migration.
In conjunction with first aspect, in the possible implementation of the first of first aspect, described migration strategy is used to indicate purpose storage level or the purpose logic hard disk of described target data object.
In conjunction with the possible implementation of the first of first aspect or first aspect, in the possible implementation of the second of first aspect, the described migration strategy of determining described target data object comprises:
Obtain the user for the Object Selection input of described target data object, and present label (tab) property pages of described target data object according to described Object Selection input on display device;
Obtain described user for the migration strategy input of described tab property pages, and determine described migration strategy according to described migration strategy input.
In conjunction with the possible implementation of the first of first aspect or first aspect, in the third possible implementation of first aspect, the source address of described definite target data object, and before determining the migration strategy of described target data object, described method also comprises:
Monitor the access frequency of described target data object;
Determine that the access frequency of described target data object is greater than the first predetermined threshold or less than the second predetermined threshold;
The described migration strategy of determining described target data object comprises:
According to the access frequency of described target data object, determine the migration strategy of described target data object.
In conjunction with the possible implementation of the first of first aspect, first aspect, the third possible implementation of the realization that the second of first aspect is possible or first aspect, in the 4th kind of possible implementation of first aspect, described target data object is file-level data object or directory level data object.
Second aspect provides a kind of host side equipment, comprising:
The first determining unit, for the source address of determining the target data object, and the migration strategy of determining described target data object, wherein, the source logic hard disk under described target data object comprises a plurality of data objects;
Transmitting element, be used for sending object migration information to storage system, described object migration information comprises source address and the described migration strategy of described target data object, so that described storage system is obtained described target data object according to the source address of described target data object, and according to the described target data object of described migration strategy migration.
In conjunction with second aspect, in the possible implementation of the first of second aspect, described migration strategy is used to indicate purpose storage level or the purpose logic hard disk of described target data object.
In conjunction with the possible implementation of the first of second aspect or second aspect, in the possible implementation of the second of second aspect, described the first determining unit comprises:
First obtains subelement, is used for obtaining the user for the Object Selection input of described target data object;
Present subelement, be used for presenting the tag attributes page of described target data object based on described Object Selection input on display device;
Second obtains subelement, is used for obtaining described user for the migration strategy input of described tag attributes page;
Determine subelement, be used for determining described migration strategy according to described migration strategy input.
In conjunction with the possible implementation of the first of second aspect or second aspect, in the third possible implementation of second aspect, described host side equipment also comprises:
Monitoring unit is for the access frequency of monitoring described target data object;
The second determining unit is used for determining that the access frequency of described target data object is greater than the first predetermined threshold or less than the second predetermined threshold;
Described the first determining unit, concrete for the access frequency according to described target data object, determine the migration strategy of described target data object.
In conjunction with the possible implementation of the first of second aspect, second aspect, the third possible implementation of the realization that the second of second aspect is possible or second aspect, in the 4th kind of possible implementation of second aspect, described target data object is file-level data object or directory level data object.
The third aspect provides a kind of data mover system, comprises host side equipment and storage system in any possible implementation of above second aspect or second aspect; And described storage system, be used for obtaining described target data object according to the source address of described target data object, and according to the described target data object of described migration strategy migration.
therefore, in embodiments of the present invention, by determining the source address of target data object, and the migration strategy of determining this target data object, wherein, source logic hard disk under this target data object comprises a plurality of data objects, and send object migration information to storage system, this object migration information comprises source address and this migration strategy of this target data object, so that this storage system is obtained this target data object according to the source address of this target data object, and move this target data object according to this migration strategy, thereby, can so that the storage system end realize the perception of individual data object and reach the purpose of Precise control, eliminate the blind property of conventional store, can reach meticulousr application, the performance requirement of file granularity.
Description of drawings
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, the below will do to introduce simply to the accompanying drawing of required use in the embodiment of the present invention, apparently, below described accompanying drawing be only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the indicative flowchart according to the data migration method of the embodiment of the present invention.
Fig. 2 is the indicative flowchart of data migration method according to another embodiment of the present invention.
Fig. 3 is the indicative flowchart of data migration method according to another embodiment of the present invention.
Fig. 4 is the schematic block diagram according to the host side equipment of the embodiment of the present invention.
Fig. 5 is the schematic block diagram of host side equipment according to another embodiment of the present invention.
Fig. 6 is the schematic block diagram of host side equipment according to another embodiment of the present invention.
Fig. 7 is the schematic block diagram of host side equipment according to another embodiment of the present invention.
Fig. 8 is the schematic block diagram of the data mover system according to the present invention.
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 a part of embodiment of the present invention, rather than whole embodiment.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work should belong to the scope of protection of the invention.
Storage level in embodiments of the present invention, be mainly to determine according to the number combinations of different disk type, different RAID type, different RAID group disk and the performance after weighting, divide the difference of each refinement can being made a distinction of different storage levels.In embodiments of the present invention, SSD hard disk or a Serial Advanced Technology Attachment (Serial Advanced TechnologyAttachment is called for short " SATA ") hard disk can form separately a storage level.In embodiments of the present invention, a storage level can comprise one or more logic hard disks, wherein, each logic hard disk can comprise a plurality of hard disks, also can comprise a hard disk, perhaps a hard disk can be divided into a plurality of logic hard disks, and the embodiment of the present invention does not limit this.
Fig. 1 shows the indicative flowchart according to the data migration method 100 of the embodiment of the present invention.As shown in Figure 1, the method 100 comprises:
S110 determines the source address of target data object, and the migration strategy of determining this target data object, and wherein, the source logic hard disk under this target data object comprises a plurality of data objects;
S120, send object migration information to storage system, this object migration information comprises source address and this migration strategy of this target data object, so that this storage system is obtained this target data object according to the source address of this target data object, and move this target data object according to this migration strategy.
In embodiments of the present invention, based on the correlation technique such as piece is virtual, the address in logic hard disk can be broken up and arrange.After putting into the data objects such as file or catalogue in this dish, the Rule in can be virtual according to piece is to address that data object is positioned.
in embodiments of the present invention, during the arbitrary data object of host side equipment in a plurality of data objects that a certain logic hard disk of wish migration comprises, can determine the source address of target data object, and the migration strategy of definite this target data object, and send to storage system the source address of this target data object and the object migration information of migration strategy of carrying, thereby, after storage system receives this object migration information, can obtain this target data object according to the source address of this target data object, and move this target data object according to the migration strategy of this target data object, thereby reduced the migration granularity, the property regulation that realization becomes more meticulous.
In embodiments of the present invention, this migration strategy can be used to indicate the purpose storage level that this target data object is wanted to migrate to, thereby, controller system memory can be with this target data object migration to this purpose storage level, if this purpose storage level comprises a plurality of logic hard disks, controller system memory can with this target data object migration to arbitrary logic hard disk, also can be selected a less logic hard disk of storage data.In embodiments of the present invention, this migration strategy also can be used to indicate the purpose logic hard disk that this target data object is wanted to migrate to, thereby, controller system memory can be with this target data object migration to this purpose logic hard disk, if this purpose logic hard disk comprises a plurality of hard disks, can with this target data object migration to arbitrary hard disk, also can select a less logic hard disk of storage data.Certainly, in embodiments of the present invention, this migration strategy also can specifically be indicated the specific address of this target data object, and the embodiment of the present invention does not limit this.
In embodiments of the present invention, this target data object is file-level data object or directory level data object.
In embodiments of the present invention, as shown in Figure 2, determine the migration strategy of this target data object in S110, can comprise:
S112 obtains the user for the Object Selection input of this target data object, and presents the tab property pages of this target data object on display device according to this Object Selection input;
S114 obtains the user for the migration strategy input of this tab property pages, and determines this migration strategy according to this migration strategy input.
Specifically, the user need to move the target data object and (for example input, click) after this target data object, host side equipment (controller wherein) can be according to user's input, display device at the host side place presents a tab property pages, and wherein, this tab belongs to can have the migration strategy that can select for the user in page, for example, this target data object purpose storage level or purpose logic hard disk that can be migrated to; The user can select a migration strategy from the tab property pages, host-side controller can be according to this user's selection input, can determine the migration strategy of this target data object, then, host-side controller sends to storage system by transmission circuit and comprises the source address of this target data object and the object migration information of migration strategy, thereby, storage system is after receiving this object migration information, can be according to the source address of this target data object, obtain this target data object, and move this target data object according to this migration strategy.
In embodiments of the present invention, not only can having that host-side controller presents on the tab property pages that presents on display device can for the migration strategy of user's selection, also can have the current stored storage level of this target data object or logic hard disk.In embodiments of the present invention, the user is after having selected migration strategy, and host-side controller can be given prominence to the specifying information of the migration strategy that presents user's selection, for example, what the user selected is the purpose logic hard disk, can give prominence to the storage size that presents this logic hard disk, performance etc.In embodiments of the present invention, also can not present the migration strategy that the user can select in the tab property pages, but can present a zone, the user can manually input migration strategy in this zone.
Therefore, in embodiments of the present invention, realize the interlock of upper strata and bottom storage array by the tab property pages, and can provide intuitively the storage hierarchical information to the user, be convenient to user's operation.
In embodiments of the present invention, as shown in Figure 3, determine the source address of target data object at S110, and before determining the migration strategy of this target data object, the method 100 can also comprise:
S130 monitors the access frequency of this target data object;
S140 determines that the access frequency of this target data object is greater than the first predetermined threshold or less than the second predetermined threshold; Wherein,
Determine the migration strategy of described target data object described in S110, can comprise:
According to the access frequency of described target data object, determine to move the migration strategy of institute's number mark data object
Specifically, host side equipment can the monitor data object access frequency, if the access frequency of target data object is greater than the first predetermined threshold, can determine that this target data object need to migrate to and (for example has more high performance storage level, migrate to SSD from SATA), wherein, in embodiments of the present invention; Perhaps, if less than the second predetermined threshold, can determining this target data object, the access frequency of this target data object need to migrate to the lower storage level (for example, migrating to SATA from SSD) of performance.In embodiments of the present invention, different storage levels can be corresponding to different predetermined thresholds.For example, be [a in access frequency corresponding to storage level A, b], the access frequency at the target data object is in [a, b] and the target data object under storage level A corresponding to source logic hard disk the time, can keep this target data object at source memory, if, the access frequency of storage level A is during greater than b or less than a, need to move this target data object, wherein, can this target data object migration be stored in level or logic hard disk to corresponding according to the access frequency of this target data object; If the access frequency of target data object when belonging to [a, b], can migrate to this target data storage level A from other numerical value change.In embodiments of the present invention, the access frequency that storage level or logic hard disk are corresponding can be definite according to performance, and for example, the performance of the logic hard disk that corresponding access frequency is high is good, the poor-performing of the logic hard disk that corresponding access frequency is low.Therefore, host side equipment can pass through the access temperature of Monitoring Data object, and moves this data object according to the access temperature of this data object, can realize the Autonomic Migration Framework data object.
therefore, in embodiments of the present invention, by determining the source address of target data object, and the migration strategy of determining this target data object, wherein, source logic hard disk under this target data object comprises a plurality of data objects, and send object migration information to storage system, this object migration information comprises source address and this migration strategy of this target data object, so that this storage system is obtained this target data object according to the source address of this target data object, and move this target data object according to this migration strategy, thereby, can so that the storage system end realize the perception of individual data object and reach the purpose of Precise control, eliminate the blind property of conventional store, can reach meticulousr application, the performance requirement of file granularity.
Below describe data migration method according to the embodiment of the present invention in conjunction with Fig. 1 to Fig. 3, described main process equipment according to the embodiment of the present invention below with reference to Fig. 4 to Fig. 7.
Fig. 4 shows the schematic block diagram according to the main process equipment 200 of the embodiment of the present invention.As shown in Figure 4, this host side equipment 200 comprises:
The first determining unit 210, for the source address of determining the target data object, and the migration strategy of determining described target data object, wherein, the source logic hard disk under described target data object comprises a plurality of data objects;
Transmitting element 220, be used for sending object migration information to storage system, described object migration information comprises source address and the described migration strategy of described target data object, so that described storage system is obtained described target data object according to the source address of described target data object, and according to the described target data object of described migration strategy migration.
Alternatively, described migration strategy is used to indicate purpose storage level or the purpose logic hard disk of described target data object.
Alternatively, as shown in Figure 5, described the first determining unit 210 comprises:
First obtains subelement 212, is used for obtaining the user for the Object Selection input of described target data object;
Second obtains subelement 216, is used for obtaining described user for the migration strategy input of described tag attributes page;
Determine subelement 218, be used for determining described migration strategy according to described migration strategy input.
Alternatively, as shown in Figure 6, described host side equipment 200 also comprises:
The second determining unit 240 is used for determining that the access frequency of described target data object is greater than the first predetermined threshold or less than the second predetermined threshold;
Described the first determining unit 210, concrete for the access frequency according to described target data object, determine the migration strategy of described target data object.
Alternatively, described target data object is file-level data object or directory level data object.
Should understand, can be corresponding to the host side equipment in the data migration method 100 in the embodiment of the present invention according to the host side equipment 200 of the embodiment of the present invention, and above-mentioned and other operation of the unit in host side equipment 200 and/or function are respectively in order to realize the corresponding flow process of the method 100 in Fig. 1 to 3, for simplicity, do not repeat them here.
therefore, in embodiments of the present invention, by determining the source address of target data object, and the migration strategy of determining this target data object, wherein, source logic hard disk under this target data object comprises a plurality of data objects, and send object migration information to storage system, this object migration information comprises source address and this migration strategy of this target data object, so that this storage system is obtained this target data object according to the source address of this target data object, and move this target data object according to this migration strategy, thereby, can so that the storage system end realize the perception of individual data object and reach the purpose of Precise control, eliminate the blind property of conventional store, can reach meticulousr application, the performance requirement of file granularity.
Fig. 7 is the illustrative diagram according to the host side equipment 300 of the embodiment of the present invention.As shown in Figure 7, this host side equipment 300 comprises storer 310, transmission circuit 320, processor 330 and bus 340, and wherein, storer 310, transmission circuit 320 are connected with processor by bus 340 connections.
Wherein, storer 310 storage batch processing codes, and processor 330 is used for calling the program code of storer 310 storages, operation below carrying out:
Determine the source address of target data object, and the migration strategy of determining described target data object, wherein, the source logic hard disk under described target data object comprises a plurality of data objects;
Send object migration information to storage system, described object migration information comprises source address and the described migration strategy of described target data object, so that described storage system is obtained described target data object according to the source address of described target data object, and according to the described target data object of described migration strategy migration.
Alternatively, described migration strategy is used to indicate purpose storage level or the purpose logic hard disk that described target data object is wanted to migrate to.
Alternatively, processor 330 is used for calling the program code of storer 310 storages, operation below concrete the execution:
Obtain the user for the Object Selection input of described target data object, and present the tab property pages of described target data object according to described Object Selection input on display device;
Obtain the user for the migration strategy input of described tab property pages, and determine described migration strategy according to described migration strategy input.
Alternatively, processor 330 calls the program code of storer 310 storages, in the source address of described definite target data object, and before determining the migration strategy of described target data object, also carries out following operation:
Monitor the access frequency of described target data object;
Determine that the access frequency of described target data object is greater than the first predetermined threshold or less than the second predetermined threshold;
And specifically according to the access frequency of described target data object, determine the migration strategy of described target data object.
Alternatively, described target data object is file-level data object or directory level data object.
Should understand, can be corresponding to the host side equipment in the data migration method 100 in the embodiment of the present invention according to the host side equipment 300 of the embodiment of the present invention, and above-mentioned and other operation of the unit in host side equipment 300 and/or function are respectively in order to realize the corresponding flow process of the method 100 in Fig. 1 to 3, for simplicity, do not repeat them here.
therefore, in embodiments of the present invention, by determining the source address of target data object, and the migration strategy of determining this target data object, wherein, source logic hard disk under this target data object comprises a plurality of data objects, and send object migration information to storage system, this object migration information comprises source address and this migration strategy of this target data object, so that this storage system is obtained this target data object according to the source address of this target data object, and move this target data object according to this migration strategy, thereby, can so that the storage system end realize the perception of individual data object and reach the purpose of Precise control, eliminate the blind property of conventional store, can reach meticulousr application, the performance requirement of file granularity.
Fig. 8 is 400 schematic diagram according to the data mover system of the embodiment of the present invention.As shown in Figure 8, this data mover system comprises host side equipment 410 and storage system 420, wherein,
Described host side equipment 410, be used for determining the source address of target data object, and the migration strategy of determining described target data object, wherein, source logic hard disk under described target data object comprises a plurality of data objects, and sending object migration information to storage system, described object migration information comprises source address and the described migration strategy of described target data object;
Described storage system 420 is used for obtaining described target data object according to the source address of described target data object, and according to the described target data object of described migration strategy migration.
The host side equipment 410 according to the embodiment of the present invention that should be understood that can corresponding to the host side equipment 200 or 300 in the embodiment of the present invention, for simplicity, not repeat them here.
therefore, in embodiments of the present invention, by determining the source address of target data object, and the migration strategy of determining this target data object, wherein, source logic hard disk under this target data object comprises a plurality of data objects, and send object migration information to storage system, this object migration information comprises source address and this migration strategy of this target data object, so that this storage system is obtained this target data object according to the source address of this target data object, and move this target data object according to this migration strategy, thereby, can so that the storage system end realize the perception of individual data object and reach the purpose of Precise control, eliminate the blind property of conventional store, can reach meticulousr application, the performance requirement of file granularity.
Those of ordinary skills can recognize, in conjunction with the various method steps of describing in embodiment disclosed herein and unit, can realize with electronic hardware, computer software or combination both, for the interchangeability of hardware and software clearly is described, step and the composition of each embodiment described in general manner according to function in the above description.These functions are carried out with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Those of ordinary skills can specifically should be used for realizing described function with distinct methods to each, but this realization should not thought and exceeds scope of the present invention.
The software program that the method for describing in conjunction with embodiment disclosed herein or step can use hardware, processor execution, perhaps both combination is implemented.Software program can be placed in the storage medium of any other form known in random access memory (RAM), internal memory, ROM (read-only memory) (ROM), electrically programmable ROM, electrically erasable ROM, register, hard disk, moveable magnetic disc, CD-ROM or technical field.
Although by reference accompanying drawing and mode in conjunction with the preferred embodiments, the present invention is described in detail, the present invention is not limited to this.Under the prerequisite that does not break away from spirit of the present invention and essence, those of ordinary skills can carry out to embodiments of the invention modification or the replacement of various equivalences, and these modifications or replacement all should be in covering scopes of the present invention.
Claims (11)
1. a data migration method, is characterized in that, comprising:
Determine the source address of target data object, and the migration strategy of determining described target data object, wherein, the source logic hard disk under described target data object comprises a plurality of data objects;
Send object migration information to storage system, described object migration information comprises source address and the described migration strategy of described target data object, so that described storage system is obtained described target data object according to the source address of described target data object, and according to the described target data object of described migration strategy migration.
2. data migration method according to claim 1, is characterized in that, described migration strategy is used to indicate purpose storage level or the purpose logic hard disk of described target data object.
3. data migration method according to claim 1 and 2, is characterized in that, the described migration strategy of determining described target data object comprises:
Obtain the user for the Object Selection input of described target data object, and present the tag attributes page of described target data object according to described Object Selection input on display device;
Obtain described user for the migration strategy input of described tag attributes page, and determine described migration strategy according to described migration strategy input.
4. data migration method according to claim 1 and 2, is characterized in that, the source address of described definite target data object, and before determining the migration strategy of described target data object, described method also comprises:
Monitor the access frequency of described target data object;
Determine that the access frequency of described target data object is greater than the first predetermined threshold or less than the second predetermined threshold;
The described migration strategy of determining described target data object comprises:
According to the access frequency of described target data object, determine the migration strategy of described target data object.
5. the described data migration method of any one according to claim 1 to 4, is characterized in that, described target data object is file-level data object or directory level data object.
6. a host side equipment, is characterized in that, comprising:
The first determining unit, for the source address of determining the target data object, and the migration strategy of determining described target data object, wherein, the source logic hard disk under described target data object comprises a plurality of data objects;
Transmitting element, be used for sending object migration information to storage system, described object migration information comprises source address and the described migration strategy of described target data object, so that described storage system is obtained described target data object according to the source address of described target data object, and according to the described target data object of described migration strategy migration.
7. host side equipment according to claim 6, is characterized in that, described migration strategy is used to indicate purpose storage level or the purpose logic hard disk of described target data object.
8. according to claim 6 or 7 described host side equipment, is characterized in that, described the first determining unit comprises:
First obtains subelement, is used for obtaining the user for the Object Selection input of described target data object;
Present subelement, be used for presenting the tag attributes page of described target data object based on described Object Selection input on display device;
Second obtains subelement, is used for obtaining described user for the migration strategy input of described tag attributes page;
Determine subelement, be used for determining described migration strategy according to described migration strategy input.
9. according to claim 6 or 7 described host side equipment, is characterized in that, described host side equipment also comprises:
Monitoring unit is for the access frequency of monitoring described target data object;
The second determining unit is used for determining that the access frequency of described target data object is greater than the first predetermined threshold or less than the second predetermined threshold;
Described the first determining unit, concrete for the access frequency according to described target data object, determine the migration strategy of described target data object.
10. the described host side equipment of any one according to claim 6 to 9, is characterized in that, described target data object is file-level data object or directory level data object.
11. a data mover system comprises: host side equipment as described in any one in claim 6 to 10;
And storage system, be used for obtaining described target data object according to the source address of described target data object, and according to the described target data object of described migration strategy migration.
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| CN112559448A (en) * | 2021-02-19 | 2021-03-26 | 腾讯科技（深圳）有限公司 | Data state migration method and device, computer equipment and storage medium |
| CN112559448B (en) * | 2021-02-19 | 2021-05-18 | 腾讯科技（深圳）有限公司 | Data state migration method and device, computer equipment and storage medium |
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