CN101719106A - Method, device and system for managing simply-configured memory array - Google Patents
Method, device and system for managing simply-configured memory array Download PDFInfo
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- CN101719106A CN101719106A CN200910254326A CN200910254326A CN101719106A CN 101719106 A CN101719106 A CN 101719106A CN 200910254326 A CN200910254326 A CN 200910254326A CN 200910254326 A CN200910254326 A CN 200910254326A CN 101719106 A CN101719106 A CN 101719106A
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Abstract
The embodiment of the invention discloses a method, a device and a system for managing a simply-configured memory array. The method for managing the simply-configured memory array comprises the following steps: receiving a request message for establishing a virtual logical disk, wherein the request message comprises the memory capacity of the request; establishing a first kind of virtual logical disks according to the request message; feeding back the size of the first kind of the virtual logical disks according to the memory capacity of the request; and allocating logical units for the first kind of the virtual logical disks in a memory resource pool. Through the scheme, the embodiment of the invention realizes the conversion from the memory array in traditional arrangement into the memory array supporting the simple configuration under the condition of not changing the framework of the original memory array and not influencing the original memory data and service, thereby reducing the cost for realizing the simple configuration.
Description
Technical field
The present invention relates to technical field of data storage, particularly relate to a kind of management method, device and system of simply-configured memory array.
Background technology
In traditional storage architecture layout, the general space that all can plan following 2 years even may need in longer time to use, a storage architecture all is a whole set of flow process from being planned for equipment purchase, financial payments, the capacity that is memory device is much, the user just need check for great capacity, even the user has only used the part in this part capacity this year.When memory capacity was not enough, the user need reconfigure whole logical volume transfer method and storage network system, meaned that professional continuity can not get ensureing but reconfigure, and this is a cost to sacrifice time and money.And the user is in using the process of logical volume transfer method and storage network system, and always some storage space can be in idle condition, and this part space can't be used effectively, but can be in operating condition always, thereby causes extra cost consumptions such as energy consumption, maintenance cost.
Simplify configuration and promptly realize the capacity virtual management stored, storage is realized distribution according to need, when a volume is created, can formulate the volume of a capacity greater than physical capacity, in order to discuss conveniently, the capacity that claims this formulation is a virtual capacity, the disk that main frame is seen is the same big with the virtual capacity of this volume, virtual capacity can be greater than physical capacity, used simplify configuration after, can increase substantially the memory capacity utilization factor.From buying with above the expenditure, traditional buying and expenditure are disposable, are continuation buying and expenditure and simplify configuration.In a word, by virtual deployment of simplifying configuration, effectively the elevator system operating factor of memory space is saved whole possessing cost, is exactly to have improved rate of return on investment in a sense.
By the research to prior art, the inventor finds: the existing allocation plan of simplifying does not have extensibility and versatility, can't with the storage array compatibility of conventional in layout.In actual applications, user's data and business often have been coupled closely with existing conventional store array and have been associated together, the user will realize simplifying configuration and must injecting capital into and rebuild new storage array of storage array, in addition, original data and business migration to new storage array, are needed to consume a large amount of time and human resources equally.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the invention provides a kind of management method, device and system of simply-configured memory array, can traditional storage array be changed into the storage array of simplifying configuration under the situation that does not influence data with existing.Technical scheme is as follows:
The embodiment of the invention provides a kind of management method of simply-configured memory array, comprising:
Receive the solicited message of creating virtual logical disks, comprise the request memory space in the described request information;
According to described request information creating first kind virtual logical disks, feed back the size of described first kind virtual logical disks according to the request memory space;
According to the primary data storage demand of described first kind virtual logical disks, in described memory resource pool described first kind virtual logical disks assignment logic unit.
The embodiment of the invention also provides a kind of management devices of simply-configured memory array, comprising:
Receiving element is used to receive the solicited message of creating virtual logical disks, comprises the request memory space in the described request information;
First creating unit is used to create first kind virtual logical disks, and feeds back the size of described first kind virtual logical disks according to the request memory space;
Allocation units are used for the primary data storage demand according to described first kind virtual logical disks, are described first kind virtual logical disks assignment logic unit in described memory resource pool.
The embodiment of the invention also provides a kind of data storage network system, and this system comprises: the management devices of main frame, storage array and above-mentioned simply-configured memory array.
The technical scheme that the embodiment of the invention provided can be integrated the storage space on the storage array, and creates memory resource pool on this basis, for main frame is created virtual logical disks and memory space dynamic allocation.Can the framework that does not change the original storage array of user and do not influence the original storage data of user and professional situation under, the storage array of conventional in layout is transformed into the array of supporting to simplify configuration, thereby reduces the realization cost of simplifying configuration.
Description of drawings
In order to be illustrated more clearly in the technical scheme in the embodiment of the invention, the accompanying drawing of required use is done to introduce simply in will describing embodiment below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the management method process flow diagram of specific embodiment of the invention simply-configured memory array;
Fig. 2 is the structural representation of conventional store network system;
Fig. 3 is the management method synoptic diagram of specific embodiment of the invention simply-configured memory array;
Fig. 4 is the another kind of process flow diagram of specific embodiment of the invention simply-configured memory array management method;
Fig. 5 is the structural representation of the data storage network system of the specific embodiment of the invention;
Fig. 6 is the structural representation of the management devices of specific embodiment of the invention simply-configured memory array;
Fig. 7 is the another kind of structural representation of the management devices of specific embodiment of the invention simply-configured memory array.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Fig. 1 is the management method process flow diagram of specific embodiment of the invention simply-configured memory array.Present embodiment comprises:
Step S103 receives the solicited message of creating virtual logical disks, comprises the request memory space in the described request information;
Step S104 according to described request information creating first kind virtual logical disks, feeds back the size of described first kind virtual logical disks according to the request memory space;
Step S105 according to the primary data storage demand of described first kind virtual logical disks, is described first kind virtual logical disks assignment logic unit in described memory resource pool;
Wherein, the executive agent of above-mentioned steps can be switch itself or the functional module that is built in switch, can be the functional entity that is independent of switch also, in the embodiment of the present application, this independent function entity is called virtual gateway.Have the virtual gateway of simplifying configuration feature by in existing storage, adding, can the structure that does not change user's conventional store array and do not influence user's data and professional situation under realize making the conventional store array to change the storage array that configuring technical is simplified in support into.
Present embodiment can also comprise following steps:
Step S101 if the physical logic disk in the storage array is blank physical logic disk, is divided into logical block with described blank physical logic disk;
Step S102 is integrated into memory resource pool with described logical block;
Existingly simplify configuration and mostly be based on the storage array end and design at specific hardware, storage array promptly is designed to support thin provisioning on the hardware bottom layer framework.Operating system is set up virtual volume on logic magnetic disc, the virtual capacity of virtual volume can be greater than the physical capacity of logic magnetic disc, and the capacity of the disk that main frame is seen and this virtual volume is the same big.Owing to simplify the realization of configuration in the prior art is to be implemented in fully on unique bottom architecture, therefore the storage array of conventional in layout is difficult to be transformed into the storage array of supporting to simplify configuring technical, the user wants to realize that the configuration of simplifying of storage array needs to rebuild new storage array go forward side by side line data and professional migration based on this specific hardware structure, and this will bring higher cost and very big workload.
Figure 2 shows that traditional logical volume transfer method and storage network system, the storage array 21 shown in the figure is made up of disk array 21a, 21b and 21c, and storage array 21 is connected with 23c with main frame 23a, 23b by switch 22.Unique bottom architecture of supporting to simplify configuring technical builds because storage array 21 is not based on, so in order to realize the configuration of simplifying of storage array 21, the embodiment of the invention provides a kind of management method of simply-configured memory array.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
Step S101 if the physical logic disk in the storage array is blank physical logic disk, is divided into logical block with described blank physical logic disk.
Referring to shown in Figure 3, virtual gateway judges at first whether the physical logic disk 32 in the storage array 31 is blank physical logic disk, if, then virtual gateway is divided into logical block 33 with 31 blank physical logic disk 32 on the storage array, and the big I of described logical block 33 is adjusted according to the actual storage demand.
Step S102 is integrated into memory resource pool with described logical block.
Virtual gateway is integrated the storage space of described logical block 33, and utilizes these spaces to create memory resource pool 34 on virtual level, and the actual storage capacity of described memory resource pool 34 equals the memory capacity sum of all logical blocks 33.
Step S103 receives the solicited message of creating virtual logical disks, comprises the request memory space in the described request information.
Virtual gateway receives the solicited message of the establishment virtual disk of main frame transmission, described request information can comprise the virtual storage capacity of the virtual disk of request establishment, can also comprise sign, disc format and the affiliated information such as main frame of the virtual logical disks of request establishment; The virtual storage capacity of described virtual logical disks can be greater than the actual capacity of described memory resource pool 34.
Step S104 according to described request information creating first kind virtual logical disks, feeds back the size of described first kind virtual logical disks according to the request memory space.
Virtual gateway is created first kind virtual logical disks 35 in described memory resource pool 34, the virtual storage capacity of described first kind virtual logical disks 35 can be greater than the actual capacity of described memory resource pool 34;
Virtual gateway can also be adjusted the memory capacity size of described first kind virtual logical disks 35 dynamically according to the storage demand of main frame.
Step S105 according to the primary data storage demand of described first kind virtual logical disks, is described first kind virtual logical disks assignment logic unit in described memory resource pool.
When creating first kind virtual logical disks, virtual gateway can be described first kind virtual logical disks assignment logic unit in memory resource pool, to store the primary data of this first kind virtual logical disks; Described primary data can comprise sign, amount of capacity, disc format and the affiliated information such as main frame of this virtual logical disks.
Referring to shown in Figure 4, when main frame writes data in described first kind virtual logical disks 35, can also comprise after the embodiments of the invention step S105:
Step S106, virtual gateway is according to writing data volume, in described memory resource pool 34 described first kind virtual logical disks 35 assignment logic unit 33, and with the data storage that writes in the logical block of this virtual logical disks correspondence, when main frame need be visited these virtual logical disks 35 reading of data, direct reading of data from the logical block 33 that this virtual logical disks comprises.
Because in actual application, often stored user's data in the storage array, if non-blank-white physical logic disk is divided into logical block, and further utilize described logical block to create memory resource pool, may cause the loss of user data of non-blank-white physical logic disk storage, cause unnecessary loss to the user.Therefore, embodiments of the invention can also comprise:
Step S107, if the physical logic disk is a non-blank-white physical logic disk, create the second class virtual logical disks according to the size of described non-blank-white physical logic disk, feed back the size of the described second class virtual logical disks according to the size of described non-blank-white physical logic disk, the data of storing in described non-blank-white physical logic disk and the second class virtual logical disks are identical.
When the capacity of memory resource pool was not enough, the user need increase storage space, therefore, referring to shown in Figure 4, after the step S106, can also may further comprise the steps:
Step S108 monitors the actual storage capacity of described memory resource pool in real time, when the actual storage capacity of described memory resource pool reaches preset threshold value, sends alarm prompt.
In actual applications, virtual gateway can be set specific threshold value according to the capacity of user's data amount and memory resource pool, as can threshold value being set to 70%, certainly adjust this threshold value according to the storage demand of user's reality, when the actual storage capacity of storing in the memory resource pool reached preset threshold, system can send warning information prompting user and add new storage medium in storage array.
Below in conjunction with a concrete example, the technical scheme of the inventive method embodiment is described:
Referring to shown in Figure 5, original user storage array 51 is made up of 3 physical logic disk array 5 1a, 51b and 51c, user's main frame 53a, 53b links to each other by switch 52 with storage array 51 with 53c, blank physical logic disk of only remaining 2T all on every disk array, and because professional development, the user wishes that existing storage array can provide the storage space of 100T for every main frame, with the satisfied following service needed, but does not wish to buy new disk array at once.
Use the management method of the simply-configured memory array that the embodiment of the invention provided, can in logical volume transfer method and storage network system, dispose a virtual gateway 54, virtual gateway 54 is connected on the switch 52, and the read-write IO stream between main frame and the storage array 51 needs through virtual gateway 54.
Virtual gateway can also be created the second class virtual logical disks according to the size of non-blank-white physical logic disk, feeds back the size of the described second class virtual logical disks according to the size of described non-blank-white physical logic disk;
When creating first kind virtual logical disks, virtual gateway 54 can be described first kind virtual logical disks assignment logic unit in memory resource pool, to store the primary data of this virtual logical disks, described primary data can comprise sign, amount of capacity, disc format and the affiliated information such as main frame of this virtual logical disks.
When main frame writes data in described first kind virtual logical disks, virtual gateway is according to writing data volume, it in described memory resource pool described first kind virtual logical disks assignment logic unit, and with the data storage that writes in the logical block of this virtual logical disks correspondence, when main frame need be visited this virtual logical disks reading of data, direct reading of data from the logical block that this virtual logical disks comprises.
Virtual gateway can also be established a specific threshold value for the memory capacity of memory resource pool, this threshold value can be set at 70%, this threshold value also can be adjusted according to user's actual storage needs, when the memory capacity of memory resource pool rises to preset threshold, promptly when the capacity of storing in this memory resource pool reaches 4.2T, system can send warning information, adds new disk array with the prompting user in storage array 51.
The technical scheme that the embodiment of the invention provided can be integrated the storage space on the storage array, and creates memory resource pool on this basis, for main frame is created virtual logical disks and memory space dynamic allocation.Can the framework that does not change the original storage array of user and do not influence the original storage data of user and professional situation under, the storage array of conventional in layout is transformed into the array of supporting to simplify configuration, thereby reduces the realization cost of simplifying configuration.The embodiment of the invention is in time reminded the user again by alarming step when the storage resources tankage is not enough.
Corresponding to top method embodiment, the embodiment of the invention also provides a kind of management devices of simply-configured memory array, referring to shown in Figure 6, comprising:
Receiving element 604 is used to receive the solicited message of creating virtual logical disks, comprises the request memory space in the described request information;
Receiving element receives the solicited message of the establishment virtual disk of main frame transmission, described request information can comprise the virtual storage capacity of the virtual disk of request establishment, can also comprise sign, disc format and the affiliated information such as main frame of the virtual logical disks of request establishment; The virtual storage capacity of described virtual logical disks can be greater than the actual capacity of memory resource pool.
First creating unit 605 is used to create first kind virtual logical disks, and feeds back the size of described first kind virtual logical disks according to the request memory space;
First creating unit is created first kind virtual logical disks in described memory resource pool, the virtual storage capacity of described first kind virtual logical disks can be greater than the actual capacity of described memory resource pool;
First creating unit can also be adjusted the memory capacity size of described first kind virtual logical disks dynamically according to the storage demand of main frame.
When creating first kind virtual logical disks, allocation units can be described first kind virtual logical disks assignment logic unit in memory resource pool, to store the primary data of this first kind virtual logical disks; Described primary data can comprise sign, amount of capacity, disc format and the affiliated information such as main frame of this virtual logical disks.
Described allocation units 606 can also be used for when described first kind virtual logical disks writes data, are described first kind virtual logical disks assignment logic unit according to writing data volume in described memory resource pool
When first kind virtual logical disks writes data, allocation units 606 can be according to writing data volume, it in described memory resource pool described first kind virtual logical disks assignment logic unit, main frame can be with the data storage that writes in the logical block of this virtual logical disks correspondence, when main frame need be visited this virtual logical disks reading of data, direct reading of data from the logical block that this virtual logical disks comprises.
Present embodiment can also comprise with lower unit:
Judging unit 601 is used for judging whether the physical logic disk of storage array is blank physical logic disk;
Cutting unit 602 is used for described blank physical logic disk is divided into logical block;
Cutting unit is divided into logical block with blank physical logic disk, and the big I of described logical block is adjusted according to the actual storage demand.
Integral unit is integrated the storage space of described logical block, and utilizes these spaces to create memory resource pool on virtual level, and the actual storage capacity of described memory resource pool equals the memory capacity sum of all logical blocks.
Because in actual application, often stored user's data in the storage array, if non-blank-white physical logic disk is divided into logical block, and further utilize described logical block to create memory resource pool, may cause the loss of user data of non-blank-white physical logic disk storage, cause unnecessary loss to the user.
Referring to shown in Figure 7, the management devices of the simply-configured memory array that the embodiment of the invention provided can also comprise:
Second creating unit 607, be used for creating the second class virtual logical disks according to the size of non-blank-white physical logic disk, and feed back the size of the described second class virtual logical disks according to the size of described non-blank-white physical logic disk, the data of storing in described non-blank-white physical logic disk and the second class virtual logical disks are identical.
When the capacity of memory resource pool was not enough, the user need increase storage space, and therefore, referring to shown in Figure 7, the management devices of described simply-configured memory array can also comprise:
Monitoring means 608 is used for monitoring in real time the actual storage capacity of described memory resource pool.
In the practical application, can set specific threshold value according to the capacity of user's data amount and memory resource pool, as can threshold value being set to 70%, certainly adjust this threshold value according to the storage demand of user's reality, when the actual storage capacity of storing in the memory resource pool reaches preset threshold, Alarm Unit can send warning information, and the prompting user adds new storage medium in storage array.
The management devices of the simply-configured memory array that the embodiment of the invention provided can be integrated the storage space on the storage array, and creates memory resource pool on this basis, for main frame is created virtual logical disks and memory space dynamic allocation.Can the framework that does not change the original storage array of user and do not influence the original storage data of user and professional situation under, the storage array of conventional in layout is transformed into the array of supporting to simplify configuration, thereby reduces the realization cost of simplifying configuration.In addition, the management devices of the simply-configured memory array that the embodiment of the invention provided, can also monitor the actual storage capacity of memory resource pool in real time, and when the actual storage off-capacity of memory resource pool, in time remind the user to add new disk array by reporting to the police.
The management devices of the simply-configured memory array that the embodiment of the invention provided, can be switch itself or the functional module that is built in switch, it also can be the functional entity that is independent of switch, be independent of the situation of switch at the management devices of simply-configured memory array, the embodiment of the invention also provides a kind of data storage network system, and this system comprises: the management devices of main frame, storage array and simply-configured memory array.Wherein, the management devices of described simply-configured memory array can be identical with the management devices of aforesaid simply-configured memory array, here no longer repeat specification.
The data storage network system that the embodiment of the invention provided can integrate the storage space on the storage array, and creates memory resource pool on this basis, for main frame is created virtual logical disks and memory space dynamic allocation.Can the framework that does not change the original storage array of user and do not influence the original storage data of user and professional situation under, the storage array of conventional in layout is transformed into the array of supporting to simplify configuration, thereby reduces the realization cost of simplifying configuration.In addition, the data storage network system that the embodiment of the invention provided can also monitor the actual storage capacity of memory resource pool in real time, and when the actual storage off-capacity of memory resource pool, in time remind the user to add new disk array by reporting to the police.
For device or system embodiment, because it is substantially corresponding to method embodiment, so relevant part gets final product referring to the part explanation of method embodiment.Device described above or system embodiment only are schematic, wherein said unit as the separating component explanation can or can not be physically to separate also, the parts that show as the unit can be or can not be physical locations also, promptly can be positioned at a place, perhaps also can be distributed on a plurality of network element.Can select wherein some or all of module to realize the purpose of present embodiment scheme according to the actual needs.Those of ordinary skills promptly can understand and implement under the situation of not paying creative work.
In several embodiment that the application provided, should be understood that, disclosed system, apparatus and method not surpassing in the application's the spirit and scope, can realize in other way.Current embodiment is a kind of exemplary example, should be as restriction, and given particular content should in no way limit the application's purpose.For example, the division of described unit or subelement only is that a kind of logic function is divided, and during actual the realization other dividing mode can be arranged, and for example a plurality of unit or a plurality of subelement combine.In addition, a plurality of unit can or assembly can in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out.
In addition, institute's descriptive system, the synoptic diagram of apparatus and method and different embodiment, in the scope that does not exceed the application, can with other system, module, technology or method in conjunction with or integrated.Another point, the shown or coupling each other discussed or directly to be coupled or to communicate to connect can be by some interfaces, the indirect coupling of device or unit or communicate to connect can be electrically, machinery or other form.
The above only is the specific embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Description by above method embodiment, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better embodiment under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out all or part of step of the described method of each embodiment of the present invention.And aforesaid storage medium comprises: various media that can be program code stored such as ROM (read-only memory) (ROM), random-access memory (ram), magnetic disc or CD.
Claims (11)
1. the management method of a simply-configured memory array is characterized in that, comprising:
Receive the solicited message of creating virtual logical disks, comprise the request memory space in the described request information;
According to described request information creating first kind virtual logical disks, feed back the size of described first kind virtual logical disks according to the request memory space;
According to the primary data storage demand of described first kind virtual logical disks, in described memory resource pool described first kind virtual logical disks assignment logic unit.
2. method according to claim 1 is characterized in that, also comprises:
If the physical logic disk in the storage array is blank physical logic disk, described blank physical logic disk is divided into logical block;
Described logical block is integrated into memory resource pool.
3. method according to claim 1 is characterized in that, also comprises:
If the physical logic disk in the storage array is a non-blank-white physical logic disk, create the second class virtual logical disks according to the size of described non-blank-white physical logic disk, feed back the size of the described second class virtual logical disks according to the size of described non-blank-white physical logic disk.
4. method according to claim 1 is characterized in that, also comprises:
When described first kind virtual logical disks writes data, in described memory resource pool, be described first kind virtual logical disks assignment logic unit according to writing data volume.
5. according to each described method of claim 1 to 4, it is characterized in that, also comprise:
Monitor the actual storage amount of described memory resource pool;
When the actual storage amount of described memory resource pool reaches preset threshold value, send alarm prompt.
6. the management devices of a simply-configured memory array is characterized in that, comprising:
Receiving element is used to receive the solicited message of creating virtual logical disks, comprises the request memory space in the described request information;
First creating unit is used to create first kind virtual logical disks, and feeds back the size of described first kind virtual logical disks according to the request memory space;
Allocation units are used for the primary data storage demand according to described first kind virtual logical disks, are described first kind virtual logical disks assignment logic unit in described memory resource pool.
7. device according to claim 6 is characterized in that, also comprises:
Judging unit is used for judging whether the physical logic disk of storage array is blank physical logic disk;
Cutting unit is used for described blank physical logic disk is divided into logical block;
Integral unit is used for described logical block is integrated into memory resource pool.
8. device according to claim 6 is characterized in that, also comprises:
Second creating unit is used for creating the second class virtual logical disks according to the size of non-blank-white physical logic disk, feeds back the size of the described second class virtual logical disks according to the size of described non-blank-white physical logic disk.
9. device according to claim 6 is characterized in that:
Described allocation units also are used for when described first kind virtual logical disks writes data, are described first kind virtual logical disks assignment logic unit according to writing data volume in described memory resource pool.
10. according to each described device of claim 6 to 9, it is characterized in that, also comprise:
Monitoring means is used for monitoring in real time the actual storage capacity of described memory resource pool;
Alarm Unit is used for sending alarm prompt when actual storage capacity that described monitoring means monitors memory resource pool reaches preset threshold value.
11. a data storage network system is characterized in that, this system comprises: main frame, storage array reach the management devices as each described simply-configured memory array of claim 6 to 10.
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