CN105912264A - Method and system for upgrading hard disk expander and hard disk expander - Google Patents
Method and system for upgrading hard disk expander and hard disk expander Download PDFInfo
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- CN105912264A CN105912264A CN201610202534.1A CN201610202534A CN105912264A CN 105912264 A CN105912264 A CN 105912264A CN 201610202534 A CN201610202534 A CN 201610202534A CN 105912264 A CN105912264 A CN 105912264A
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- hard disk
- expander
- upgraded
- upgrading
- disk expander
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0602—Interfaces specially adapted for storage systems specifically adapted to achieve a particular effect
- G06F3/0604—Improving or facilitating administration, e.g. storage management
- G06F3/0607—Improving or facilitating administration, e.g. storage management by facilitating the process of upgrading existing storage systems, e.g. for improving compatibility between host and storage device
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0655—Vertical data movement, i.e. input-output transfer; data movement between one or more hosts and one or more storage devices
- G06F3/0658—Controller construction arrangements
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
- G06F3/0601—Interfaces specially adapted for storage systems
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/0671—In-line storage system
- G06F3/0673—Single storage device
- G06F3/0674—Disk device
Abstract
The invention provides a method and system for upgrading a hard disk expander and the hard disk expander. The method comprises following steps: a higher-level hard disk expander generates at least one WRITE BUFFER command based on updating data; the higher-level hard disk expander sends at least one WRITE BUFFER command to a lower-level hard disk expander to be updated such that the a lower-level hard disk expander to be updated can analyze updating data from at least one WRITE BUFFER command and update updating data.The invention provides the method and system for upgrading the hard disk expander and the hard disk expander capable of increasing updating efficiency of the hard disk expander.
Description
Technical field
The present invention relates to field of computer technology, particularly to a kind of method of hard disk expander of upgrading and be
System, a kind of hard disk expander.
Background technology
Expander (hard disk expander) in storage system is the controller for hard disk extension, passes through
Expander carries out multi-stage cascade, can extend more hard disk.Need during using Expander
Expander is carried out firmware upgrade.
In prior art, Expander is carried out upgrading mainly by artificial upgrading, pass through external equipment
Upgrading data are imported in Expander.When there being multiple Expander, need by manually rising
DBMS is directed respectively in Expander to be upgraded.
Visible by foregoing description, the upgrading to Expander of the prior art needs one by one to be upgraded
The Expander importing by the data that manually carry out upgrading, upgrading inefficient.
Summary of the invention
Embodiments provide the method and system of a kind of hard disk expander of upgrading, a kind of hard disk extension
Device, it is possible to increase the efficiency that hard disk expander is upgraded.
First aspect, a kind of method embodiments providing hard disk expander of upgrading, including:
S1: higher level's hard disk expander is according to upgrading at least one WRITE BUFFER order of data genaration；
At least one WRITE BUFFER order described is issued down by S2: described higher level's hard disk expander
The hard disk expander to be upgraded of level, so that the hard disk expander to be upgraded of subordinate is from receiving at least
One WRITE BUFFER order parses upgrading data, upgrades according to described upgrading data.
Further, before described S1, also include:
Described higher level's hard disk expander obtains the version number of the present hard discs expander of subordinate；
Described higher level's hard disk expander is according to the version number obtained, it is judged that the present hard discs expander of subordinate is
No need upgrading, if it is, using the present hard discs expander of subordinate as the hard disk to be upgraded of subordinate
Expander.
Further, the method also includes:
Described higher level's hard disk expander is determining that described hard disk expander to be upgraded has received described ascending series
According to rear, set in the FLASH region storing described upgrading data of described hard disk expander to be upgraded
Put up-to-date mark, and remove in the FLASH region being currently running of described hard disk expander to be upgraded
Up-to-date mark so that described hard disk expander to be upgraded is from the FLASH district being provided with up-to-date mark
Territory starts.
Further, described S1, including:
Described upgrading data are divided into predetermined number data block, according to each by described higher level's hard disk expander
Data block generates corresponding WRITE BUFFER order.
Second aspect, embodiments provides a kind of hard disk expander, including:
Signal generating unit, for according to upgrading at least one WRITE BUFFER order of data genaration；
Upgrade unit, at least one WRITE BUFFER order described issued subordinate wait rise
The hard disk expander of level, so that the hard disk expander to be upgraded of subordinate is from least one received
WRITE BUFFER order parses upgrading data, upgrades according to described upgrading data.
Further, also include:
Acquiring unit, for obtaining the version number of the present hard discs expander of subordinate；
Judging unit, for according to the version number obtained, it is judged that whether the present hard discs expander of subordinate needs
Upgrade, if it is, the present hard discs expander of subordinate is extended as the hard disk to be upgraded of subordinate
Device.
Further, also include:
Mark unit, is used for after determining that described hard disk expander to be upgraded has received described upgrading data,
The FLASH region storing described upgrading data of described hard disk expander to be upgraded is arranged up-to-date
Mark, and remove in the FLASH region being currently running of described hard disk expander to be upgraded up-to-date
Mark, so that described hard disk expander to be upgraded starts from the FLASH region being provided with up-to-date mark.
Further, described signal generating unit, for described upgrading data are divided into predetermined number data block,
Corresponding WRITE BUFFER order is generated according to each data block.
The third aspect, embodiments provides the system of a kind of hard disk expander of upgrading, including:
Such as hard disk expander arbitrary in claim second aspect, and the hard disk to be upgraded of subordinate expands
Exhibition device；
Described hard disk expander to be upgraded, is used for receiving described at least one WRITE BUFFER life
Order, parses upgrading data, according to described liter from least one WRITE BUFFER order described
DBMS completes upgrading.
Further, described hard disk expander to be upgraded, it is additionally operable to determine currently without operation
The upgrading data received are saved in currently without in the FLASH region run by FLASH region.
In embodiments of the present invention, higher level's hard disk expander is according to upgrading at least one WRITE of data genaration
BUFFER order, and at least one WRITE BUFFER order is sent to the to be upgraded of subordinate
Hard disk expander, it is achieved that automatically upgrading data are imported in hard disk expander to be upgraded, it is not necessary to logical
Cross external equipment manually to import, improve the efficiency that hard disk expander is upgraded.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to reality
Execute the required accompanying drawing used in example or description of the prior art to be briefly described, it should be apparent that below,
Accompanying drawing in description is some embodiments of the present invention, for those of ordinary skill in the art, not
On the premise of paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of the method for a kind of hard disk expander of upgrading that one embodiment of the invention provides；
Fig. 2 is the flow chart of the method for the another kind of upgrading hard disk expander that one embodiment of the invention provides；
Fig. 3 is the schematic diagram of a kind of hard disk expander that one embodiment of the invention provides；
Fig. 4 is the schematic diagram of the system of a kind of hard disk expander of upgrading that one embodiment of the invention provides.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below in conjunction with this
Accompanying drawing in bright embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention,
Obviously, described embodiment is a part of embodiment of the present invention rather than whole embodiments, based on
Embodiment in the present invention, those of ordinary skill in the art are institute on the premise of not making creative work
The every other embodiment obtained, broadly falls into the scope of protection of the invention.
As it is shown in figure 1, a kind of method embodiments providing hard disk expander of upgrading, the method
May comprise steps of:
S1: higher level's hard disk expander is according to upgrading at least one WRITE BUFFER order of data genaration；
At least one WRITE BUFFER order described is issued down by S2: described higher level's hard disk expander
The hard disk expander to be upgraded of level, so that the hard disk expander to be upgraded of subordinate is from receiving at least
One WRITE BUFFER order parses upgrading data, upgrades according to described upgrading data.
In embodiments of the present invention, higher level's hard disk expander is according to upgrading at least one WRITE of data genaration
BUFFER order, and at least one WRITE BUFFER order is sent to the to be upgraded of subordinate
Hard disk expander, it is achieved that automatically upgrading data are imported in hard disk expander to be upgraded, it is not necessary to logical
Cross external equipment manually to import, improve the efficiency that hard disk expander is upgraded.
Determine that the hard disk expander of subordinate can be realized by version number the need of upgrading, can in one
In the implementation of energy, before described S1, also include:
Described higher level's hard disk expander obtains the version number of the present hard discs expander of subordinate；
Described higher level's hard disk expander is according to the version number obtained, it is judged that the present hard discs expander of subordinate is
No need upgrading, if it is, using the present hard discs expander of subordinate as the hard disk to be upgraded of subordinate
Expander.
For the ease of starting from the version after upgrading, in a kind of possible realization side when next time starts
In formula, the method also includes:
Described higher level's hard disk expander is determining that described hard disk expander to be upgraded has received described ascending series
According to rear, set in the FLASH region storing described upgrading data of described hard disk expander to be upgraded
Put up-to-date mark, and remove the up-to-date mark in the FLASH region being currently running so that described in wait to rise
The hard disk expander of level starts from the FLASH region being provided with up-to-date mark.
In this implementation, hard disk expander to be upgraded version after upgrading starts, and completes upgrading.
Data volume owing to transmitting between higher level's hard disk expander and the hard disk expander of subordinate every time is limited,
Therefore, upgrading deblocking is transmitted.In a kind of possible implementation, described S1, including:
Described upgrading data are divided into predetermined number data block, according to each by described higher level's hard disk expander
Data block generates corresponding WRITE BUFFER order.
Specifically, higher level's hard disk expander reads the FLASH region of oneself, knows from FLASH head
Upgrading data, according to the size of the data volume of transmission every time, are divided N part, send out by the size of upgrading data
Play the transmission of n times data, whole upgrading data are transferred to the hard disk expander of subordinate.Such as: permissible
The data volume arranging transmission every time is 512 bytes.It addition, the hard disk expander to be upgraded of subordinate is every
Being successfully received a WRITE BUFFER order, superior hard disk expander returns and receives successfully
Response, after higher level's hard disk expander receives the response being properly received, continues to send next WRITE
BUFFER order.
Wherein, WRITE BUFFER order includes:
MODE field, 0x02, represent reading and writing data；
BUFFER ID, the target area of refreshing, represent FLASH region；
BUFFER OFFSET, this carries the FLASH skew of data block；
BUFFER LENGTH, the data block size that this carries；
Data-Out Buffer, this data block carried.
The hard disk expander identification BUFFER OFFSET field to be upgraded of subordinate, according to BUFFER
FLASH skew in OFFSET field, determines the refreshing original position in FLASH region；Subordinate
Hard disk expander to be upgraded reads Data-Out Buffer, it is thus achieved that data block, will from refreshing original position
The data block of Data-Out Buffer is write in selected FLASH region.
In embodiments of the present invention, Expander 1 be Expander 2 higher level's hard disk expander,
Expander 2 is subordinate's hard disk expander of Expander 1.Expander 1 and Expander 2 all has
Two FLASH regions, are FLASH region A and FLASH region B respectively.
As in figure 2 it is shown, a kind of method embodiments providing hard disk expander of upgrading, the method
May comprise steps of:
Step 201:Expander 1 obtains the version number of Expander 2.
Can configure as follows for each Expander:
In each FLASH region of Expander, there is FLASH head, FLASH head comprises FLASH
Size, version number, up-to-date mark etc., check the up-to-date mark in FLASH region after Expander start,
Which FLASH region has up-to-date mark, then from which FLASH region starts；Another region is made
Firmware upgrade can be carried out for backup.
Expander 1 can obtain version number from the FLASH head in the FLASH region of Expander 2.
It addition, the triggering of this step can be realized by two ways:
The semi-automatic upgrade mode of the first.Under system, SES (Small Computer is sent by user
System Interface Enclosure Services, small computer system interface cabinet services) order
Playing the higher level Expander automatic upgrading to subordinate Expander, higher level Expander receives SES order
After, send SES order one by one to the Expander of its subordinate and obtain version number.
It two is full-automatic upgrade mode.Each Expander detects whether self cascades subordinate
Expander, then starts intervalometer if there is subordinate Expander, periodically sends out to subordinate Expander
SES order is sent to obtain the version number of subordinate Expander.
Version is obtained owing to full-automatic upgrade mode needs periodically to send SES order to subordinate Expander
Number, so taking certain SAS resource, cut it is, therefore, possible to provide SES order is used for carrying out pattern
Changing, acquiescence is in semi-automatic upgrade mode.
Step 202:Expander 1 is according to the version number of Expander 2, it is judged that whether Expander 2
Need upgrading, if it is, perform step 203, otherwise, terminate current process.
Specifically, the version number of acquisition is compared by Expander 1 with the version number of self, if obtained
The version number of the Expander 2 taken is lower than the version number of self, then Expander 2 needs upgrading.
Upgrading data are divided into predetermined number data block by step 203:Expander 1, according to every number
Corresponding WRITE BUFFER order is generated according to block.
The WRITE BUFFER order of generation is respectively issued to Expander by step 204:Expander 1
2。
Specifically, the WRITE BUFFER order that Expander 1 sends out current to Expander 2；
After Expander 2 receives, return the response whether being properly received；If Expander 1 receives into
The response that merit receives, then continue to give a WRITE BUFFER order, if Expander 1 connects
Receive the response not being properly received, then can resend current WRITE BUFFER order.
Until being successfully transmitted all of upgrading data, terminate to send.
Step 205:Expander 2 determines currently without the FLASH region run, and receives every WRITE
BUFFER order, parses data block from every the WRITE BUFFER order received, and
According to every WRITE BUFFER order, corresponding data block is stored currently without operation
In the correspondence position in FLASH region, all upgrading data according to receiving are upgraded.
Step 206:Expander 1 is determining that described hard disk expander to be upgraded has received described upgrading
After data, up-to-date mark is set in the FLASH region of the storage upgrading data of Expander 2, and
Remove the up-to-date mark in the FLASH region being currently running of Expander 2, by SES order weight
Open Expander 2.
Step 207:Expander 2 opens from the FLASH region being provided with up-to-date mark according to SES order
Dynamic.
Step 208:Expander 1 obtains the version number of Expander 2, determines according to this version number
Whether Expander 2 upgrades successfully.
In embodiments of the present invention, higher level Expander and subordinate Expander is by SSP (SAS
Serial SCSI Protocol) agreement communicates, by the WRITE BUFFER order of SSP agreement
Upgrading data are upgraded to subordinate Expander.
In embodiments of the present invention, when multiple Expander cascade, it may be determined that go out the first order
Expander, upgrades to the Expander of the first order, and other Expander can be according to this
The method that bright embodiment provides is upgraded.Wherein, when the Expander of the first order is upgraded, can
The Expander of the first order is upgraded by out-band method or SES order.Concrete, pass through
SES order carries out upgrading and refers to: the storage corresponding to the Expander of the upgrading data copy first order set
In standby operating system, upgrading data are burnt to the first order by SES order by operating system
In Expander.
In embodiments of the present invention, as the corresponding multiple subordinate Expander of a higher level Expander,
Each subordinate Expander all can be upgraded by the method that the embodiment of the present invention provides.
As it is shown on figure 3, a kind of hard disk expander that the embodiment of the present invention provides, including:
Signal generating unit 301, for according to upgrading at least one WRITE BUFFER order of data genaration；
Upgrade unit 302, for issuing treating of subordinate by least one WRITE BUFFER order described
The hard disk expander of upgrading, so that the hard disk expander to be upgraded of subordinate is from least one received
WRITE BUFFER order parses upgrading data, upgrades according to described upgrading data.
In a kind of possible implementation, this hard disk expander also includes:
Acquiring unit, for obtaining the version number of the present hard discs expander of subordinate；
Judging unit, for according to the version number obtained, it is judged that whether the present hard discs expander of subordinate needs
Upgrade, if it is, the present hard discs expander of subordinate is extended as the hard disk to be upgraded of subordinate
Device.
In a kind of possible implementation, this hard disk expander also includes:
Mark unit, is used for after determining that described hard disk expander to be upgraded has received described upgrading data,
The FLASH region storing described upgrading data of described hard disk expander to be upgraded is arranged up-to-date
Mark, and remove in the FLASH region being currently running of described hard disk expander to be upgraded up-to-date
Mark, so that described hard disk expander to be upgraded starts from the FLASH region being provided with up-to-date mark.
In a kind of possible implementation, described signal generating unit, for being divided into pre-by described upgrading data
If number of data blocks, generate corresponding WRITE BUFFER order according to each data block.
See Fig. 4, the system of a kind of hard disk expander of upgrading that the embodiment of the present invention provides, including:
Above-mentioned arbitrary hard disk expander 401, and the hard disk expander 402 to be upgraded of subordinate；
Described hard disk expander 402 to be upgraded, is used for receiving at least one WRITE BUFFER described
Order, parses upgrading data, according to described from least one WRITE BUFFER order described
Upgrading data complete upgrading.
In a kind of possible implementation, described hard disk expander to be upgraded, it is additionally operable to determine currently
There is no the FLASH region run, the upgrading data received are saved in currently without operation
In FLASH region.
The contents such as the information between each unit in said apparatus is mutual, execution process, due to the present invention
Embodiment of the method is based on same design, and particular content can be found in the narration in the inventive method embodiment, this
Place repeats no more.
The embodiment of the present invention provides, and at least has the advantages that
1, in embodiments of the present invention, higher level's hard disk expander according to upgrading data genaration at least one
WRITE BUFFER order, and at least one WRITE BUFFER order is sent to treating of subordinate
The hard disk expander of upgrading, it is achieved that automatically upgrading data are imported in hard disk expander to be upgraded,
Without manually being imported by external equipment, improve the efficiency that hard disk expander is upgraded.
2, in embodiments of the present invention, higher level's hard disk expander will be risen by WRITE BUFFER order
DBMS passes to the hard disk expander to be upgraded of subordinate, it is not necessary to by manually upgrading one by one, in reduction
Workload, and avoid miss certain hard disk expander to be upgraded.
It should be noted that in this article, the relational terms of such as first and second etc be used merely to by
One entity or operation separate with another entity or operating space, and not necessarily require or imply this
Relation or the order of any this reality is there is between a little entities or operation.And, term " includes ",
" comprise " or its any other variant is intended to comprising of nonexcludability, so that include that one is
The process of row key element, method, article or equipment not only include those key elements, but also include the brightest
Other key elements really listed, or also include intrinsic for this process, method, article or equipment
Key element.In the case of there is no more restriction, statement " include one " and limit
Key element, it is not excluded that there is also another in including the process of described key element, method, article or equipment
Outer same factor.
One of ordinary skill in the art will appreciate that: realize all or part of step of said method embodiment
Can be completed by the hardware that programmed instruction is relevant, aforesaid program can be stored in embodied on computer readable
Storage medium in, this program upon execution, performs to include the step of said method embodiment；And it is aforementioned
Storage medium include: various Jie that can store program code such as ROM, RAM, magnetic disc or CD
In matter.
Last it should be understood that the foregoing is only presently preferred embodiments of the present invention, it is merely to illustrate this
The technical scheme of invention, is not intended to limit protection scope of the present invention.All spirit in the present invention and former
Any modification, equivalent substitution and improvement etc. done within then, are all contained in protection scope of the present invention.
Claims (10)
1. the method for a hard disk expander of upgrading, it is characterised in that including:
S1: higher level's hard disk expander is according to upgrading at least one WRITE BUFFER order of data genaration；
At least one WRITE BUFFER order described is issued down by S2: described higher level's hard disk expander
The hard disk expander to be upgraded of level, so that the hard disk expander to be upgraded of subordinate is from receiving at least
One WRITE BUFFER order parses upgrading data, upgrades according to described upgrading data.
Method the most according to claim 1, it is characterised in that before described S1, also include:
Described higher level's hard disk expander obtains the version number of the present hard discs expander of subordinate；
Described higher level's hard disk expander is according to the version number obtained, it is judged that the present hard discs expander of subordinate is
No need upgrading, if it is, using the present hard discs expander of subordinate as the hard disk to be upgraded of subordinate
Expander.
Method the most according to claim 1, it is characterised in that also include:
Described higher level's hard disk expander is determining that described hard disk expander to be upgraded has received described ascending series
According to rear, set in the FLASH region storing described upgrading data of described hard disk expander to be upgraded
Put up-to-date mark, and remove in the FLASH region being currently running of described hard disk expander to be upgraded
Up-to-date mark so that described hard disk expander to be upgraded is from the FLASH district being provided with up-to-date mark
Territory starts.
4. according to described method arbitrary in claim 1-3, it is characterised in that described S1, including:
Described upgrading data are divided into predetermined number data block, according to each by described higher level's hard disk expander
Data block generates corresponding WRITE BUFFER order.
5. a hard disk expander, it is characterised in that including:
Signal generating unit, for according to upgrading at least one WRITE BUFFER order of data genaration；
Upgrade unit, at least one WRITE BUFFER order described issued subordinate wait rise
The hard disk expander of level, so that the hard disk expander to be upgraded of subordinate is from least one received
WRITE BUFFER order parses upgrading data, upgrades according to described upgrading data.
Hard disk expander the most according to claim 5, it is characterised in that also include:
Acquiring unit, for obtaining the version number of the present hard discs expander of subordinate；
Judging unit, for according to the version number obtained, it is judged that whether the present hard discs expander of subordinate needs
Upgrade, if it is, the present hard discs expander of subordinate is extended as the hard disk to be upgraded of subordinate
Device.
Hard disk expander the most according to claim 5, it is characterised in that also include:
Mark unit, is used for after determining that described hard disk expander to be upgraded has received described upgrading data,
The FLASH region storing described upgrading data of described hard disk expander to be upgraded is arranged up-to-date
Mark, and remove in the FLASH region being currently running of described hard disk expander to be upgraded up-to-date
Mark, so that described hard disk expander to be upgraded starts from the FLASH region being provided with up-to-date mark.
8. according to described hard disk expander arbitrary in claim 5-7, it is characterised in that described generation
Unit, for described upgrading data are divided into predetermined number data block, it is right to generate according to each data block
The WRITE BUFFER order answered.
9. the system of a hard disk expander of upgrading, it is characterised in that including:
Such as hard disk expander arbitrary in claim 5-8, and the hard disk expander to be upgraded of subordinate；
Described hard disk expander to be upgraded, is used for receiving described at least one WRITE BUFFER life
Order, parses upgrading data, according to described liter from least one WRITE BUFFER order described
DBMS completes upgrading.
System the most according to claim 9, it is characterised in that including:
Described hard disk expander to be upgraded, is additionally operable to determine the FLASH region currently without running,
The upgrading data received are saved in currently without in the FLASH region run.
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| CN201610202534.1A CN105912264A (en) | 2016-04-01 | 2016-04-01 | Method and system for upgrading hard disk expander and hard disk expander |
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| CN201610202534.1A CN105912264A (en) | 2016-04-01 | 2016-04-01 | Method and system for upgrading hard disk expander and hard disk expander |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106775589A (en) * | 2016-12-14 | 2017-05-31 | 郑州云海信息技术有限公司 | Update method, the apparatus and system of the firmware of expander chips |
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| CN102681794A (en) * | 2012-04-23 | 2012-09-19 | 浪潮(北京)电子信息产业有限公司 | Method and system for realizing redundant array protection of a disk based on double controllers |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106775589A (en) * | 2016-12-14 | 2017-05-31 | 郑州云海信息技术有限公司 | Update method, the apparatus and system of the firmware of expander chips |
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