CN110309078A - It is a kind of it is complete dodge storage array host cooperate with rubbish recovering method with solid-state disk - Google Patents
It is a kind of it is complete dodge storage array host cooperate with rubbish recovering method with solid-state disk Download PDFInfo
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- CN110309078A CN110309078A CN201910587609.6A CN201910587609A CN110309078A CN 110309078 A CN110309078 A CN 110309078A CN 201910587609 A CN201910587609 A CN 201910587609A CN 110309078 A CN110309078 A CN 110309078A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
- G06F12/023—Free address space management
- G06F12/0238—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory
- G06F12/0246—Memory management in non-volatile memory, e.g. resistive RAM or ferroelectric memory in block erasable memory, e.g. flash memory
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/0223—User address space allocation, e.g. contiguous or non contiguous base addressing
- G06F12/023—Free address space management
- G06F12/0253—Garbage collection, i.e. reclamation of unreferenced memory
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/10—Providing a specific technical effect
- G06F2212/1012—Design facilitation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/10—Providing a specific technical effect
- G06F2212/1032—Reliability improvement, data loss prevention, degraded operation etc
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/72—Details relating to flash memory management
- G06F2212/7205—Cleaning, compaction, garbage collection, erase control
Abstract
The present invention relates to a kind of full hosts for dodging storage array to cooperate with rubbish recovering method with solid-state disk, comprising: array host sends order by extension NVMe driving；Bulk state NAND_Block_Table or firmware condition Firmware_Stats are transmitted and are given array host by solid-state disk firmware resolve command；Array host receives solid-state disk and sends bulk state or firmware condition, judges whether to need to carry out garbage collection operation；If you need to execute garbage reclamation, host side sends Force_GC order, and solid-state disk is forced to carry out garbage reclamation；If you need to suspend garbage reclamation, array host sends Abort_GC order, and solid-state disk suspends internal garbage collection operation；Solid-state disk receives garbage reclamation related command and executes, and updates bulk state and firmware condition.The present invention realizes address of cache, abrasion equilibrium, garbage reclamation scheduling algorithm inside solid-state disk, alleviates the host CPU burden of open channel Solid-state disc array.
Description
Technical field
The present invention relates to field of solid state storage, in particular to a kind of full host for dodging storage array cooperates with rubbish with solid-state disk
Recovery method.
Background technique
Existing solid-state disk generallys use local rubbish take-back strategy, i.e. solid-state disk garbage collection operation is separated with application.And by
Bottom NAND controller bandwidth can be occupied in solid-state disk garbage collection operation, significantly affects the performance of solid-state disk, and then is caused complete
Dodge the performance inconsistency of memory array system.For this purpose, open channel formula solid-state disk building storage system is generallyd use, to solve rubbish
Recycling influences to total system bring performance.Open channel formula solid-state disk is put in array host for FTL layers, and solid-state disk directly will
Bottom NAND information is exposed to host interface, and array host can avoid garbage reclamation according to FTL state dynamic adjustment I/O load
Operation causes to fluctuate to performance, improves array system stability.
FTL is put in host side by open channel formula solid-state disk, to adjust I/O operation according to FTL state inside solid-state disk.But
Open channel formula solid-state disk increases host side CPU since its big quantity algorithm and address mapping table are handled by host side
Load is not suitable for the full sudden strain of a muscle memory array system of a large amount of solid-state disk compositions.Therefore, this paper presents a kind of controls of open channel
Garbage collection operation is transferred to array host process using extension NVMe agreement by the collaboration garbage reclamation mechanism of device design philosophy,
Address of cache and remaining algorithm are retained in solid-state disk simultaneously, mitigates CPU burden and avoids garbage reclamation and I/O operation simultaneously
Conflict.
Summary of the invention
The purpose of the present invention is to provide a kind of full hosts for dodging storage array to cooperate with rubbish recovering method with solid-state disk, uses
In the above-mentioned problem of the prior art of solution.
The of the invention full host for dodging storage array of one kind cooperates with rubbish recovering method with solid-state disk, wherein includes: (1)
Array host sends Get_block_stats or Get_firmware_stats order by extension NVMe driving；(2) solid-state disk
Bulk state NAND_Block_Table or firmware condition Firmware_Stats are transmitted and are given array master by firmware resolve command
Machine；(3) array host receives solid-state disk and sends bulk state or firmware condition, judges whether to need to carry out garbage collection operation, wraps
It includes: judging that whether invalid block ratio is more than a threshold value Nth in NAND_Block_Table；More than threshold value Nth is limited, then force to touch
Send out garbage collection operation；When being less than restriction threshold value Nth, judge whether invalid block ratio is more than activation threshold value Mth；More than triggering
Threshold value Mth, judges whether solid-state disk has I/O request；When no I/O is requested, solid-state disk is labeled as idle state, triggering rubbish returns
Receipts mechanism；When having I/O request, solid-state disk is labeled as state to be recycled, Abort_GC order is sent and hangs up garbage reclamation, work as place
Continue to trigger garbage collection operation when idle state；(4) if you need to execute garbage reclamation, host side sends Force_GC order,
Solid-state disk is forced to carry out garbage reclamation；If you need to suspend garbage reclamation, array host sends Abort_GC order, in solid-state disk suspends
Portion's garbage collection operation；(5) solid-state disk receives garbage reclamation related command and executes, and updates bulk state and firmware condition.
The full host for dodging storage array according to the present invention cooperates with an embodiment of rubbish recovering method with solid-state disk,
In, Force_GC receipts order is sent by extension NVMe driving and gives solid-state disk firmware, solid-state disk executes garbage collection operation.
The full host for dodging storage array according to the present invention cooperates with an embodiment of rubbish recovering method with solid-state disk,
In, further includes: NAND_Block_Table and I/O the request adjustment garbage reclamation trigger mechanism that array host computer obtains.
The full host for dodging storage array according to the present invention cooperates with an embodiment of rubbish recovering method with solid-state disk,
In, judge garbage reclamation include: in (1) NAND_Block_Table invalid block ratio for P；(2) judge whether P is more than restriction threshold
Value Nth；It (2) is more than to limit threshold value Nth, array host sends Force_GC order；(3) when being less than restriction threshold value Nth, judgement
Whether P is more than activation threshold value Mth；(4) it is more than activation threshold value Mth, judges whether solid-state disk has I/O request；(5) it is requested without I/O
When, solid-state disk is labeled as idle state, triggers garbage reclamation mechanism, host software sends Force_ by extension NVMe driving
GC receives order and gives solid-state disk firmware, and solid-state disk executes garbage collection operation；When having I/O request, by solid-state disk labeled as to be recycled
State sends Abort_GC order and hangs up garbage reclamation, continues to trigger garbage collection operation when in the idle state.
The full host for dodging storage array according to the present invention cooperates with an embodiment of rubbish recovering method with solid-state disk,
In, invalid page threshold value Hth is set, block of the invalid page ratio beyond threshold value is invalid block in tag block, and safeguards invalid block
Information table NAND_Block_Table；Feed back current solid-state disk firmware condition Firmware_Stats.
The full host for dodging storage array according to the present invention cooperates with an embodiment of rubbish recovering method with solid-state disk,
In, solid-state disk receives the pressure garbage reclamation order of host side transmission, and invalid page resettlement is carried out inside solid-state disk, completes rubbish
Rubbish reclaimer operation；Receive host side transmission forbids garbage reclamation order, hangs up the internal garbage collection operation being carrying out.
The present invention introduces open channel controller design thought between solid-state disk and array host, and solid-state disk passes through extension
Bottom bulk state and firmware condition are reported to array host by NVMe order, realize garbage reclamation trigger mechanism by array host；
Compared to conventional solid-state disk local garbage reclamation mechanism, this programme array host participates in garbage collection operation inside solid-state disk, battle array
Column host can adjust garbage collection strategy according to I/O request dynamic.Compared with open channel formula solid-state disk, the present invention reflects address
Penetrate, abrasion equilibrium, garbage reclamation scheduling algorithm are realized inside solid-state disk, alleviate the host CPU of open channel Solid-state disc array
Burden.
Detailed description of the invention
Fig. 1 is the schematic block diagram for cooperateing with garbage reclamation process；
Fig. 2 is collaboration garbage reclamation flow chart.
Specific embodiment
To keep the purpose of the present invention, content and advantage clearer, with reference to the accompanying drawings and examples, to of the invention
Specific embodiment is described in further detail.
Fig. 1 is the schematic block diagram for cooperateing with garbage reclamation process, and Fig. 2 is collaboration garbage reclamation flow chart, such as Fig. 1 and Fig. 2
Shown, the present invention realizes that the solid-state disk garbage collection operation cooperateed with host, the full host for dodging storage array are cooperateed with solid-state disk
Rubbish recovering method includes:
(1) storage array host software is dodged entirely, and Get_block_stats or Get_ is sent by extension NVMe driving
Firmware_stats order；
(2) solid-state disk firmware is by extension NVMe command analysis module resolve command, by bulk state NAND_Block_
Table or firmware condition Firmware_Stats, which is transmitted, gives array host；
(3) array host receives solid-state disk and sends bulk state or firmware condition, is judged whether using GC mechanism judgment module
It needs to carry out garbage collection operation；
(4) if you need to execute garbage reclamation, host side sends Force_GC order by extension NVMe driving, forces solid-state disk
Carry out garbage reclamation；If you need to suspend garbage reclamation, array host sends Abort_GC order, solid-state disk by extension NVMe driving
Suspend internal garbage collection operation.
(5) solid-state disk receives garbage reclamation related command and executes, and updates bulk state and firmware condition.
Wherein, array host progress garbage reclamation judges that process is as follows:
(1) judge whether invalid block ratio is more than to limit threshold value Nth in NAND_Block_Table；
It (2) is more than to limit threshold value Nth, then forced-triggered garbage collection operation；
(3) when being less than restriction threshold value Nth, judge whether invalid block ratio is more than activation threshold value Mth；
(4) it is more than activation threshold value Mth, judges whether solid-state disk has I/O request；When no I/O is requested, solid-state disk is labeled as
Idle state, triggers garbage reclamation mechanism, and host software sends Force_GC by extension NVMe driving and receives order to solid-state disk
Firmware, solid-state disk execute garbage collection operation；When having I/O request, solid-state disk is labeled as state to be recycled, sends Abort_GC
Garbage reclamation is hung up in order, continues to trigger garbage collection operation when in the idle state.Solid-state disk firmware is in NVMe agreement 1.3
On the basis of standard, explosion command includes: (1) Get_block_stats: obtaining block state information；(2)Get_firmware_
Stats: firmware condition information is obtained；(3) Force_GC: garbage reclamation is forced；(4) Abort_GC: garbage reclamation is hung up.
As shown in Figure 1 and Figure 2, solid-state disk firmware utilizes open channel controller design method, extends NVMe agreement solution
Analysis, can receive array host and sends Get_block_stats order, obtain block state information table using bulk state monitoring modular
NAND_Block_Table, and array host is sent to by NVMe agreement；Extension NVMe command analysis module also can receive
Force_GC the or Abort_GC order that array host is sent, and garbage collection operation or hang-up are executed by GC execution module.
Extending NVMe command analysis module can receive array host transmission Get_firmware_stats feedback firmware execution state.Array
NAND_Block_Table and I/O the request adjustment garbage reclamation trigger mechanism that host computer obtains.
As shown in Figure 1 and Figure 2, solid-state disk bulk state monitoring modular can utilize solid-state disk GC execution module, pass through setting
Invalid page threshold value Hth, block of the invalid page ratio beyond threshold value is invalid block in tag block, and safeguards invalid block information table
NAND_Block_Table；Solid-state disk firmware condition monitoring modular can feed back current solid-state disk firmware condition Firmware_
Stats, the variable label garbage reclamation operating status.
Judge that process is as follows as shown in Fig. 2, dodging storage array host entirely and carrying out garbage reclamation:
(1) invalid block ratio is P in NAND_Block_Table；
(2) judge whether P is more than to limit threshold value Nth；
It (2) is more than to limit threshold value Nth, array host sends Force_GC order by extension NVMe driving；
(3) when being less than restriction threshold value Nth, judge whether P is more than activation threshold value Mth；
(4) it is more than activation threshold value Mth, judges whether solid-state disk has I/O request；
(5) when being requested without I/O, solid-state disk is labeled as idle state, triggers garbage reclamation mechanism, host software passes through expansion
Exhibition NVMe driving sends Force_GC receipts order and gives solid-state disk firmware, and solid-state disk executes garbage collection operation；When having I/O request,
Solid-state disk is labeled as state to be recycled, Abort_GC order is sent and hangs up garbage reclamation, continue to touch when in the idle state
Send out garbage collection operation.
Open channel controller design thought is introduced between solid-state disk and array host, solid-state disk passes through extension NVMe life
It enables, bottom bulk state and firmware condition is reported to array host, garbage reclamation trigger mechanism is realized by array host；Compared to
Conventional solid-state disk local garbage reclamation mechanism, this programme array host participate in garbage collection operation inside solid-state disk, array host
Garbage collection strategy can be adjusted according to I/O request dynamic.Compared with open channel formula solid-state disk constructs full sudden strain of a muscle storage array, this hair
It is bright to realize address of cache, abrasion equilibrium, garbage reclamation scheduling algorithm inside solid-state disk, mitigate host CPU load, enhances complete dodge
Memory array system stability.
The present invention introduces open channel controller design thought between solid-state disk and array host, and solid-state disk passes through extension
Bottom bulk state and firmware condition are reported to array host by NVMe order, realize garbage reclamation trigger mechanism by array host；
Compared to conventional solid-state disk local garbage reclamation mechanism, this programme array host participates in garbage collection operation inside solid-state disk, battle array
Column host can adjust garbage collection strategy according to I/O request dynamic.Compared with open channel formula solid-state disk, the present invention reflects address
Penetrate, abrasion equilibrium, garbage reclamation scheduling algorithm are realized inside solid-state disk, alleviate the host CPU of open channel Solid-state disc array
Burden.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and deformations can also be made, these improvement and deformations
Also it should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of full host for dodging storage array cooperates with rubbish recovering method with solid-state disk characterized by comprising
(1) array host sends Get_block_stats or Get_firmware_stats order by extension NVMe driving；
(2) solid-state disk firmware resolve command beats bulk state NAND_Block_Table or firmware condition Firmware_Stats
Packet is sent to array host；
(3) array host receives solid-state disk and sends bulk state or firmware condition, judges whether to need to carry out garbage collection operation, wraps
It includes:
Judge that whether invalid block ratio is more than a threshold value Nth in NAND_Block_Table；
More than limiting threshold value Nth, then forced-triggered garbage collection operation；
When being less than restriction threshold value Nth, judge whether invalid block ratio is more than activation threshold value Mth；
More than activation threshold value Mth, judge whether solid-state disk has I/O request；When no I/O is requested, solid-state disk is labeled as idle shape
State triggers garbage reclamation mechanism；When having I/O request, solid-state disk is labeled as state to be recycled, Abort_GC order is sent and hangs up
Garbage reclamation continues to trigger garbage collection operation when in the idle state；
(4) if you need to execute garbage reclamation, host side sends Force_GC order, and solid-state disk is forced to carry out garbage reclamation；If you need to temporary
Stop garbage reclamation, array host sends Abort_GC order, and solid-state disk suspends internal garbage collection operation；
(5) solid-state disk receives garbage reclamation related command and executes, and updates bulk state and firmware condition.
2. the full host for dodging storage array as described in claim 1 cooperates with rubbish recovering method with solid-state disk, which is characterized in that
Force_GC receipts order is sent by extension NVMe driving and gives solid-state disk firmware, and solid-state disk executes garbage collection operation.
3. the full host for dodging storage array as described in claim 1 cooperates with rubbish recovering method with solid-state disk, which is characterized in that
Further include: NAND_Block_Table and I/O the request adjustment garbage reclamation trigger mechanism that array host computer obtains.
4. the full host for dodging storage array as described in claim 1 cooperates with rubbish recovering method with solid-state disk, which is characterized in that
Judge that garbage reclamation includes:
(1) invalid block ratio is P in NAND_Block_Table；
(2) judge whether P is more than to limit threshold value Nth；
It (2) is more than to limit threshold value Nth, array host sends Force_GC order；
(3) when being less than restriction threshold value Nth, judge whether P is more than activation threshold value Mth；
(4) it is more than activation threshold value Mth, judges whether solid-state disk has I/O request；
(5) when being requested without I/O, solid-state disk is labeled as idle state, triggers garbage reclamation mechanism, host software passes through extension
NVMe driving sends Force_GC receipts order and gives solid-state disk firmware, and solid-state disk executes garbage collection operation；It, will when having I/O request
Solid-state disk is labeled as state to be recycled, sends Abort_GC order and hangs up garbage reclamation, continues to trigger when in the idle state
Garbage collection operation.
5. the full host for dodging storage array as described in claim 1 cooperates with rubbish recovering method with solid-state disk, which is characterized in that
Invalid page threshold value Hth is set, block of the invalid page ratio beyond threshold value is invalid block in tag block, and safeguards invalid block message
Table NAND_Block_Table；Feed back current solid-state disk firmware condition Firmware_Stats.
6. the full host for dodging storage array as claimed in claim 2 cooperates with rubbish recovering method with solid-state disk, which is characterized in that
Solid-state disk receives the pressure garbage reclamation order of host side transmission, and invalid page resettlement is carried out inside solid-state disk, completes rubbish
Reclaimer operation；Receive host side transmission forbids garbage reclamation order, hangs up the internal garbage collection operation being carrying out.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP4220374A1 (en) * | 2022-01-28 | 2023-08-02 | Samsung Electronics Co., Ltd. | Storage device and operating method of storage device |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103530237A (en) * | 2013-10-31 | 2014-01-22 | 厦门大学 | Solid-state disc array garbage collecting method |
| US20140281143A1 (en) * | 2013-03-15 | 2014-09-18 | Lsi Corporation | Reducing flash memory write amplification and latency |
| CN104407813A (en) * | 2014-11-20 | 2015-03-11 | 上海宝存信息科技有限公司 | RAID (Redundant Array of Independent Disk) system and method based on solid-state storage medium |
| US20160179398A1 (en) * | 2014-12-22 | 2016-06-23 | International Business Machines Corporation | Two-Level Hierarchical Log Structured Array Architecture Using Coordinated Garbage Collection for Flash Arrays |
| US20170242791A1 (en) * | 2014-05-27 | 2017-08-24 | Kabushiki Kaisha Toshiba | Host-controlled garbage collection |
| CN107209719A (en) * | 2015-12-03 | 2017-09-26 | 华为技术有限公司 | A kind of array control unit, solid state hard disc and the method for controlling solid state disk write data |
| CN107844432A (en) * | 2017-11-22 | 2018-03-27 | 深圳忆联信息系统有限公司 | A kind of method and solid state hard disc of solid state hard disc dynamic garbage reclamation |
| CN108475232A (en) * | 2016-02-23 | 2018-08-31 | 桑迪士克科技有限责任公司 | Use the efficient realization method of the garbage collection strategy of the Intrusion Detection based on host of the optimization of XCOPY and more logic strips |
| CN108595112A (en) * | 2018-03-14 | 2018-09-28 | 深圳忆联信息系统有限公司 | A kind of the SSD rubbish recovering methods and solid state disk of optimization trigger mechanism |
| CN109144428A (en) * | 2018-09-11 | 2019-01-04 | 浪潮电子信息产业股份有限公司 | It is a kind of applied to the rubbish recovering method of solid state hard disk, equipment and medium |
| CN109240603A (en) * | 2018-08-10 | 2019-01-18 | 微网云（深圳）技术有限公司 | full flash memory server |
| CN109426622A (en) * | 2017-08-31 | 2019-03-05 | 香港理工大学深圳研究院 | A kind of method and high life flash memory solid-state disk improving the flash memory solid-state disk service life |
| CN109739775A (en) * | 2018-11-20 | 2019-05-10 | 北京航空航天大学 | The flash translation layer (FTL) composting recovery method locked based on the multistage |
-
2019
- 2019-07-02 CN CN201910587609.6A patent/CN110309078B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140281143A1 (en) * | 2013-03-15 | 2014-09-18 | Lsi Corporation | Reducing flash memory write amplification and latency |
| CN103530237A (en) * | 2013-10-31 | 2014-01-22 | 厦门大学 | Solid-state disc array garbage collecting method |
| US20170242791A1 (en) * | 2014-05-27 | 2017-08-24 | Kabushiki Kaisha Toshiba | Host-controlled garbage collection |
| CN104407813A (en) * | 2014-11-20 | 2015-03-11 | 上海宝存信息科技有限公司 | RAID (Redundant Array of Independent Disk) system and method based on solid-state storage medium |
| US20160179398A1 (en) * | 2014-12-22 | 2016-06-23 | International Business Machines Corporation | Two-Level Hierarchical Log Structured Array Architecture Using Coordinated Garbage Collection for Flash Arrays |
| CN107209719A (en) * | 2015-12-03 | 2017-09-26 | 华为技术有限公司 | A kind of array control unit, solid state hard disc and the method for controlling solid state disk write data |
| US20180165014A1 (en) * | 2015-12-03 | 2018-06-14 | Huawei Technologies Co., Ltd. | Array controller, solid state disk, and method for controlling solid state disk to write data |
| CN108475232A (en) * | 2016-02-23 | 2018-08-31 | 桑迪士克科技有限责任公司 | Use the efficient realization method of the garbage collection strategy of the Intrusion Detection based on host of the optimization of XCOPY and more logic strips |
| CN109426622A (en) * | 2017-08-31 | 2019-03-05 | 香港理工大学深圳研究院 | A kind of method and high life flash memory solid-state disk improving the flash memory solid-state disk service life |
| CN107844432A (en) * | 2017-11-22 | 2018-03-27 | 深圳忆联信息系统有限公司 | A kind of method and solid state hard disc of solid state hard disc dynamic garbage reclamation |
| CN108595112A (en) * | 2018-03-14 | 2018-09-28 | 深圳忆联信息系统有限公司 | A kind of the SSD rubbish recovering methods and solid state disk of optimization trigger mechanism |
| CN109240603A (en) * | 2018-08-10 | 2019-01-18 | 微网云（深圳）技术有限公司 | full flash memory server |
| CN109144428A (en) * | 2018-09-11 | 2019-01-04 | 浪潮电子信息产业股份有限公司 | It is a kind of applied to the rubbish recovering method of solid state hard disk, equipment and medium |
| CN109739775A (en) * | 2018-11-20 | 2019-05-10 | 北京航空航天大学 | The flash translation layer (FTL) composting recovery method locked based on the multistage |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP4220374A1 (en) * | 2022-01-28 | 2023-08-02 | Samsung Electronics Co., Ltd. | Storage device and operating method of storage device |
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