CN107273055A - A kind of JBOD cascade systems and method - Google Patents
A kind of JBOD cascade systems and method Download PDFInfo
- Publication number
- CN107273055A CN107273055A CN201710517733.6A CN201710517733A CN107273055A CN 107273055 A CN107273055 A CN 107273055A CN 201710517733 A CN201710517733 A CN 201710517733A CN 107273055 A CN107273055 A CN 107273055A
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- Prior art keywords
- sas
- expansion cards
- sas expansion
- cards
- hard disk
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000000638 solvent extraction Methods 0.000 claims abstract description 8
- 238000013316 zoning Methods 0.000 claims abstract description 8
- 239000012141 concentrate Substances 0.000 claims description 14
- 238000005192 partition Methods 0.000 claims description 13
- 238000002360 preparation method Methods 0.000 description 1
Classifications
-
- 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
- G06F3/0614—Improving the reliability of storage systems
-
- 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
- G06F3/0683—Plurality of storage devices
- G06F3/0689—Disk arrays, e.g. RAID, JBOD
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- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Debugging And Monitoring (AREA)
Abstract
This application discloses a kind of JBOD cascade systems, the SAS expansion card collection being connected including SAS channel cards and with SAS channel cards, utilize Zoning partitioning techniques, the upper united mouth for each SAS expansion cards that SAS expansion cards are concentrated and the hard disk of connection are same subregion, and the second line of a couplet mouthful is the subregions different from the hard disk of upper united mouth and connection.The application utilizes Zoning partitioning techniques, the upper united mouth for each SAS expansion cards that SAS expansion cards are concentrated is same subregion with the hard disk connected, the second line of a couplet mouthful is the subregions different from the hard disk of upper united mouth and connection, so that SAS expansion cards are only capable of receiving the checking information of SAS channel cards by upper united mouth and return to reply message, SAS channel cards receive reply message by judging whether, so as to judge SAS expansion cards whether wiring error, it is to avoid because of potential faults caused by wiring error.
Description
Technical field
The present invention relates to field of storage, more particularly to a kind of JBOD cascade systems and method.
Background technology
Hold after storing, in order to extend large-scale hard disk quantity, field of storage is generally by the way of SAS topologys
(SAS, Serial Attached SCSI, serial SCSI), as shown in Figure 1, i.e., a port that storage passes through SAS channel cards
Multistage SAS expansion cards are connected, a number of hard disk can be extended per one-level SAS expansion cards；There are 2 per one-level SAS expansion cards
Port, a port connects the SAS expansion cards of upper level, referred to as upper united mouth, and a port connects the SAS expansion cards of next stage,
The referred to as second line of a couplet mouthful；SAS channel cards and SAS expansion cards are by sending scsi command (SCSI, Small Computer System
Interface, small computer system interface) the SAS expansion cards that give its second line of a couplet mouthful connection connect to recognize on SAS expansion cards
The hard disk connect；A SAS expansion cards virtual SAS ports receives this scsi command, by this virtual SAS port to
The SAS channel cards or SAS expansion cards of its upper united mouth connection report connected hard disk.
In the prior art, implement in product in the link with customer care, the wrong end of the frequent error resistance connection of attendant
Mouthful, even if Miswire, SAS channel cards also can identification equipment, and cause exist other hidden danger.
Therefore, it is the problem of being currently needed for solving that Miswire how is found in time.
The content of the invention
In view of this, it is an object of the invention to provide a kind of JBOD cascade systems and method, to detect SAS expansion cards
Upper united mouth and the second line of a couplet mouthful whether wiring error, it is to avoid because of potential faults caused by wiring error.Its concrete scheme is as follows：
A kind of JBOD cascade systems, including SAS channel cards and the SAS expansion card collection that is connected with the SAS channel cards, are utilized
Zoning partitioning techniques, the upper united mouth for each SAS expansion cards that the SAS expansion cards are concentrated and the hard disk of connection are same
Subregion, the second line of a couplet mouthful is the subregions different from the hard disk of upper united mouth and connection.
Optionally, the partition number of the hard disk of the upper united mouth for each SAS expansion cards that the SAS expansion cards are concentrated and connection is equal
It is set to same partition number, the partition number of the second line of a couplet mouthful for the SAS expansion cards that the SAS expansion cards are concentrated is and upper united mouth and is connected
The different partition number of the partition number of hard disk.
Optionally, in addition to SAS channel cards be connected, the warning device for alarm.
The invention also discloses a kind of JBOD Cascading Methods, applied to the JBOD levels as described in any one of Claims 1-4
Contact system, including：
Checking information to SAS expansion cards are sent to concentrate；
Judge whether to receive the hard disk information that the SAS expansion cards concentrate each SAS expansion cards to send from upper united mouth；
If not receiving the hard disk information that the SAS expansion cards concentrate the first SAS expansion cards, described first is judged
The upper united mouth of SAS expansion cards and the second line of a couplet mouthful wiring error, wherein, the first SAS expansion cards are first and receive the checking
The SAS expansion cards of information；
If receiving the hard disk information that the SAS expansion cards concentrate the first SAS expansion cards, the SAS extensions are judged
Card concentrates upper united mouth and the second line of a couplet mouthful wiring error for not sending the SAS expansion cards of hard disk information from upper united mouth.
Optionally, in addition to：If not receiving the hard disk information that SAS expansion cards are sent from upper united mouth, alarm.
In the present invention, JBOD cascade systems, including SAS channel cards and the SAS expansion card collection that is connected with SAS channel cards, profit
Zoning partitioning techniques are used, the upper united mouth for each SAS expansion cards that SAS expansion cards are concentrated and the hard disk of connection are same point
Area, the second line of a couplet mouthful is the subregions different from the hard disk of upper united mouth and connection.
The present invention utilizes Zoning partitioning techniques, upper united mouth and the connection of each SAS expansion cards that SAS expansion cards are concentrated
Hard disk is same subregion, and the second line of a couplet mouthful is the subregions different with the hard disk connected from upper united mouth so that SAS expansion cards be only capable of by
Upper united mouth receives the checking information of SAS channel cards and returns to reply message, and can not be received and be replied by the second line of a couplet mouthful, SAS passages
Card by judging whether to receive the reply message of SAS expansion cards so that judge SAS expansion cards upper united mouth and the second line of a couplet mouthful whether
Wiring error, it is to avoid because of potential faults caused by wiring error.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is prior art JBOD cascade system structural representations；
Fig. 2 is a kind of JBOD cascade systems structural representation disclosed in the embodiment of the present invention；
Fig. 3 is a kind of JBOD Cascading Methods schematic flow sheet disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The embodiment of the invention discloses a kind of JBOD cascade systems (JBOD, Just a Bunch Of Disks, disk
Cluster), shown in Figure 2, the system includes SAS channel cards 11 and the SAS expansion cards collection 12 being connected with SAS channel cards 11, and it is special
Levy and be, using Zoning partitioning techniques, the upper united mouths of each SAS expansion cards 13 in SAS expansion cards collection 12 and connection it is hard
Disk is same subregion, and the second line of a couplet mouthful is the subregions different from the hard disk of upper united mouth and connection, wherein, in SAS expansion cards collection 12
Each SAS expansion cards 13 be sequentially connected.
It should be noted that the second line of a couplet mouthful of each SAS expansion cards 13 can be with mutually different, in a SAS expansion card 13
The subregion of the second line of a couplet mouthful is identical, but different from the subregion of upper united mouth and the hard disk of connection, the second line of a couplet mouthful in different SAS expansion cards 13
Subregion can also be different.
Specifically, because SAS channel cards 11 are sending first reception into SAS expansion cards collection 12 of SCSI checking informations
Behind the upper united mouth of first SAS expansion cards 13 of SCSI checking informations, checking information is changed into can only be by first SAS expansion card 13
The checking information that the subregion of upper united mouth is read, therefore, by the upper united mouth of each SAS expansion cards 13 in SAS expansion cards collection 12 and
The hard disk of connection is disposed as same subregion, to ensure after first SAS expansion card 13 receives checking information, Neng Gouji
The upper united mouth that supervention gives other SAS expansion cards 13 is parsed, so as to return to corresponding hard disk information, and extends SAS
SCSI checking informations can not be read with the second line of a couplet mouthful of upper united mouth and the hard disk different subregions being connected, it is impossible to return corresponding in card 13
Hard disk information, thus judge SAS expansion cards 13 upper united mouth and the second line of a couplet mouthful whether wiring error.
Further, SAS channel cards 11 send checking information to SAS by the port itself being connected with SAS expansion cards 13
The first SAS expansion cards 13 in expansion card collection 12, then each SAS extensions are forwarded in SAS expansion cards collection 12 by SAS expansion cards 13
Card 13, checking information is when being sent to the receiving terminal of the first SAS expansion cards 13, and checking information will be changed into and the first SAS expansion cards
13 receiving terminal identical subregion, if 13 upper and lower mouthfuls of connection errors of the first SAS expansion cards will be unable to forward checking information,
Also reply message can not be returned, then can learn the connection error of the first SAS expansion cards 13, if the first SAS expansion cards 13 are connected just
Really, upper united mouth as receiving terminal then upper united mouth obtained using virtual SAS port and generate and upper united mouth subregion identical hard disk believe
Breath is sent to SAS channel cards 11, and checking information is forwarded into next SAS expansion cards 13, is finally forwarded to SAS expansion card collection
Each SAS expansion cards 13 in 12, each SAS expansion cards 13 judge checking information and receiving port after checking information is received
Subregion it is whether consistent, upper united mouth is obtained using virtual SAS port and generates hard disk and believed if the subregion of receiving port is consistent
Breath is sent to SAS channel cards 11, and checking information can not be parsed if inconsistent, i.e. the second line of a couplet of SAS expansion cards 13 mouthful as
Receiving terminal, it is impossible to which the hard disk information of SAS expansion cards 13 is sent into SAS channel cards 11, SAS channel cards 11 then judge to fail to send
Upper and lower mouthful of wiring error of the SAS expansion cards 13 of hard disk information.
It should be noted that in the case of the first SAS expansion cards 13 are connected correctly, even if remaining SAS expansion card 13 is even
Wrong remains to forwarding checking information to next SAS expansion cards 13 by mistake；It is each in SAS expansion cards collection 12 in the embodiment of the present invention
The upper united mouth of SAS expansion cards 13 can be 0 subregion with the hard disk connected.
For example, a JBOD cascade system includes 1 SAS channel card 11 and includes the SAS extensions of 5 SAS expansion cards 13
Card collection 12, according to be connected with SAS channel cards 11 distance from closely to remote order by 5 SAS expansion cards 13 be ordered as the first SAS expansion
Exhibition 13 to the 5th SAS expansion cards 13 of card, SAS channel cards 11 send checking information to the first SAS expansion cards 13, if the first SAS
The connection error of expansion card 13, then the SAS expansion cards 13 of the 2nd SAS expansion cards 13 to the 5th will be unable to receive checking information, all 5
Individual SAS expansion cards 13 can not send hard disk information to SAS channel cards 11, then now prove that the first SAS expansion cards 13 connect mistake
By mistake, if the first SAS expansion cards 13 are connected correctly, the upper united mouth of the first SAS expansion cards 13 parses checking using virtual SAS port
Information, and obtain and generation and the hard disk information of the same subregion in upper united mouth, SAS channel cards 11 are sent to, and checking information is turned
The 2nd SAS expansion cards 13 are sent to, then the 3rd SAS expansion cards 13 are forwarded to by the 2nd SAS expansion cards 13, until the 5th SAS extensions
Card 13, e.g., the 2nd SAS expansion cards 13 are because of connection error, the second line of a couplet mouth subregion of the subregion of checking information and the 2nd SAS expansion cards 13
Difference, the 2nd SAS expansion cards 13 can not parse checking information, it is impossible to send reply message, but the first line of a couplet of the 2nd SAS expansion cards 13
Checking information can still be forwarded to the 3rd SAS expansion cards 13 by mouth, if SAS channel cards 11 do not receive the He of the 2nd SAS expansion cards 13
The reply message of 4th SAS expansion cards 13, then illustrate the wiring error of the 2nd SAS expansion cards 13 and the 4th SAS expansion cards 13.
Specifically, passing through dividing the hard disk of the upper united mouth of each SAS expansion cards 13 in SAS expansion cards collection 12 and connection
Area code is disposed as same partition number, so that the upper united mouth of each SAS expansion cards 13 and the subregion of the hard disk connected are homogeneous
Together, the partition number of the second line of a couplet mouthful of the SAS expansion cards 13 in SAS expansion cards collection 12 is set to point with upper united mouth and the hard disk being connected
The different partition number of area code, so that the second line of a couplet mouthful is the subregions different from the hard disk of upper united mouth and connection.
It is understood that preferably to remind user to occur wiring error JBOD cascade systems, can also include and SAS
Channel card 11 is connected, the warning device for alarm, when SAS channel cards 11 judge to fail all to receive SAS expansion cards 13
Reply message, then send warning message to warning device, have warning device to be alarmed, remind user wiring error occur.
It can be seen that, the embodiment of the present invention utilizes each SAS expansion cards 13 in Zoning partitioning techniques, SAS expansion cards collection 12
Upper united mouth and the hard disk of connection be same subregion, the second line of a couplet mouthful is the subregions different with the hard disk connected from upper united mouth, is made
SAS expansion cards 13 are obtained to be only capable of receiving the checking information of SAS channel cards 11 by upper united mouth and return to reply message, and can not be by the second line of a couplet
Mouthful receive and reply, SAS channel cards 11 are by judging whether to receive the reply message of SAS expansion cards 13, so as to judge that SAS expands
The upper united mouth of exhibition card 13 and the second line of a couplet mouthful whether wiring error, it is to avoid because of potential faults caused by wiring error.
Accordingly, the embodiment of the invention also discloses a kind of JBOD Cascading Methods, the JBOD levels applied to above-described embodiment
Contact system, it is shown in Figure 3, including：
Step S11：Checking information to SAS expansion cards are sent to concentrate；
Step S12：Judge whether to receive the hard disk letter that SAS expansion cards concentrate each SAS expansion cards to send from upper united mouth
Breath；
Step S13：If not receiving the hard disk information that SAS expansion cards concentrate the first SAS expansion cards, first is judged
The upper united mouth of SAS expansion cards and the second line of a couplet mouthful wiring error, wherein, the first SAS expansion cards are the SAS of first reception checking information
Expansion card；
Step S14：If receiving the hard disk information that SAS expansion cards concentrate the first SAS expansion cards, SAS extensions are judged
Card concentrates upper united mouth and the second line of a couplet mouthful wiring error for not sending the SAS expansion cards of hard disk information from upper united mouth.
In the embodiment of the present invention, if not receiving the hard disk information that SAS expansion cards are sent from upper united mouth, it can also report
It is alert, remind user wiring error occur.
It can be seen that, the upper united mouth for each SAS expansion cards that SAS of embodiment of the present invention expansion cards are concentrated and the hard disk of connection are
Same subregion, the second line of a couplet mouthful is the subregions different from the hard disk of upper united mouth and connection so that SAS expansion cards are only capable of being connect by upper united mouth
Receive the checking information of SAS channel cards and return to reply message, and can not be received and be replied by the second line of a couplet mouthful, SAS channel cards are by sentencing
It is disconnected whether to receive the reply message of SAS expansion cards, thus judge SAS expansion cards upper united mouth and the second line of a couplet mouthful whether wiring is wrong
By mistake, it is to avoid because of potential faults caused by wiring error.
Finally, in addition it is also necessary to explanation, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between there is any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability, so that process, method, article or equipment including a series of key elements not only include that
A little key elements, but also other key elements including being not expressly set out, or also include be this process, method, article or
The intrinsic key element of equipment.In the absence of more restrictions, the key element limited by sentence "including a ...", is not arranged
Except also there is other identical element in the process including the key element, method, article or equipment.
A kind of JBOD cascade systems and method provided by the present invention are described in detail above, it is used herein
Specific case is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help and understands this
The method and its core concept of invention；Simultaneously for those of ordinary skill in the art, according to the thought of the present invention, specific
It will change in embodiment and application, in summary, this specification content should not be construed as to the present invention's
Limitation.
Claims (5)
1. a kind of JBOD cascade systems, including SAS channel cards and the SAS expansion card collection that is connected with the SAS channel cards, its feature
It is, the upper united mouth for each SAS expansion cards concentrated using Zoning partitioning techniques, the SAS expansion cards and the hard disk of connection
It is same subregion, the second line of a couplet mouthful is the subregions different from the hard disk of upper united mouth and connection.
2. JBOD cascade systems according to claim 1, it is characterised in that each SAS that the SAS expansion cards are concentrated expands
The partition number for opening up the upper united mouth of card and the hard disk of connection is set to same partition number, the SAS expansion cards that the SAS expansion cards are concentrated
The partition number of the second line of a couplet mouthful be the partition numbers different from the partition number of upper united mouth and the hard disk connected.
3. JBOD cascade systems according to claim 1 or 2, it is characterised in that also including being connected with SAS channel cards, using
In the warning device of alarm.
4. a kind of JBOD Cascading Methods, it is characterised in that applied to the JBOD levels contact as described in any one of Claims 1-4
System, including：
Checking information to SAS expansion cards are sent to concentrate；
Judge whether to receive the hard disk information that the SAS expansion cards concentrate each SAS expansion cards to send from upper united mouth；
If not receiving the hard disk information that the SAS expansion cards concentrate the first SAS expansion cards, judge that the first SAS expands
Upper united mouth and the second line of a couplet mouthful wiring error of card are opened up, wherein, the first SAS expansion cards are first and receive the checking information
SAS expansion cards；
If receiving the hard disk information that the SAS expansion cards concentrate the first SAS expansion cards, the SAS expansion cards collection is judged
In upper united mouth and the second line of a couplet mouthful wiring error of the SAS expansion cards of hard disk information are not sent from upper united mouth.
5. JBOD Cascading Methods according to claim 5, it is characterised in that also include：
If not receiving the hard disk information that SAS expansion cards are sent from upper united mouth, alarm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517733.6A CN107273055B (en) | 2017-06-29 | 2017-06-29 | JBOD cascade system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517733.6A CN107273055B (en) | 2017-06-29 | 2017-06-29 | JBOD cascade system and method |
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| Publication Number | Publication Date |
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| CN107273055A true CN107273055A (en) | 2017-10-20 |
| CN107273055B CN107273055B (en) | 2020-10-23 |
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| CN201710517733.6A Active CN107273055B (en) | 2017-06-29 | 2017-06-29 | JBOD cascade system and method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109144908A (en) * | 2018-08-27 | 2019-01-04 | 郑州云海信息技术有限公司 | A kind of data-storage system and method based on cascade Expander |
| CN109144928A (en) * | 2018-08-28 | 2019-01-04 | 郑州云海信息技术有限公司 | A kind of storage system |
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| CN102591838A (en) * | 2010-11-15 | 2012-07-18 | Lsi公司 | A method for deterministic sas discovery and configuration |
| US20130283264A1 (en) * | 2012-04-20 | 2013-10-24 | Lsi Corporation | Method for selective replication of physical devices on a virtual self-configuring zoning expander |
| CN103729321A (en) * | 2013-12-27 | 2014-04-16 | 华为技术有限公司 | Management device and multi-expander chip management method |
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2017
- 2017-06-29 CN CN201710517733.6A patent/CN107273055B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102591838A (en) * | 2010-11-15 | 2012-07-18 | Lsi公司 | A method for deterministic sas discovery and configuration |
| US20130283264A1 (en) * | 2012-04-20 | 2013-10-24 | Lsi Corporation | Method for selective replication of physical devices on a virtual self-configuring zoning expander |
| CN103729321A (en) * | 2013-12-27 | 2014-04-16 | 华为技术有限公司 | Management device and multi-expander chip management method |
Non-Patent Citations (1)
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| 惠普团队: "Serial Attached SCSI technologies and architectures", 《惠普产品技术说明》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109144908A (en) * | 2018-08-27 | 2019-01-04 | 郑州云海信息技术有限公司 | A kind of data-storage system and method based on cascade Expander |
| CN109144928A (en) * | 2018-08-28 | 2019-01-04 | 郑州云海信息技术有限公司 | A kind of storage system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107273055B (en) | 2020-10-23 |
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