CN107315542A - A kind of JBOD cascade systems - Google Patents
A kind of JBOD cascade systems Download PDFInfo
- Publication number
- CN107315542A CN107315542A CN201710517734.0A CN201710517734A CN107315542A CN 107315542 A CN107315542 A CN 107315542A CN 201710517734 A CN201710517734 A CN 201710517734A CN 107315542 A CN107315542 A CN 107315542A
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- China
- Prior art keywords
- sas
- cards
- subregion
- port
- hard disk
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Links
- 238000000034 method Methods 0.000 claims abstract description 17
- 238000000638 solvent extraction Methods 0.000 claims abstract description 9
- 238000005192 partition Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 description 1
- 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
- G06F3/0604—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
- G06F3/0629—Configuration or reconfiguration 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
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 SASZoning partitioning techniques, the hard disk collection for each SAS expansion cards that SAS expansion cards are concentrated is divided into multiple subregions, each subregion includes a hard disk subset, and each port of the subregion with SAS channel cards is corresponding.The application SAS channel cards and the SAS expansion card collection being connected with SAS channel cards, utilize SASZoning partitioning techniques, the hard disk collection for each SAS expansion cards that SAS expansion cards are concentrated is divided into multiple subregions, each subregion includes a hard disk subset, and each port of the subregion with SAS channel cards is corresponding, realize the specific control to the port how many hard disks of correspondence of SAS channel cards, can be with controllable adjustment IO load, the equally loaded in each port IO of SAS channel cards can be realized, each port IO of SAS channel cards load efficiency is improved.
Description
Technical field
The present invention relates to field of storage, more particularly to a kind of JBOD cascade systems.
Background technology
Hold after storing, in order to extend large-scale hard disk quantity, field of storage generally using SAS topologys (SAS,
Serial Attached SCSI, serial SCSI) mode, as shown in Figure 1.The end that i.e. storage passes through SAS channel cards
Mouth connection multistage SAS expansion cards, can extend a number of hard disk, so whole storage device is just per one-level SAS expansion cards
More hard disk quantity can be extended.In general SAS channel cards have the conventional form of two kinds of dual-port and four ports, in order to be lifted
IO performances, many producers extend rear end I/O bottleneck using the SAS passages card port of 2 or more.It is actual to find, although rear end
IO total bandwidths have been lifted, but and the SAS channel card port numbers of actual use of getting along well be directly proportional, such as, when using SAS
During passage card port, rear end IO total bandwidths are 2.0GBps；During using 2 SAS passage card ports, rear end IO total bandwidths are generally
2.5GBps-3.0GBps, does not reach double bandwidth.
Therefore, SAS passage card ports IO load efficiency how is further improved, is the problem of being currently needed for solving.
The content of the invention
In view of this, it is an object of the invention to provide a kind of JBOD cascade systems, with controllable adjustment IO load, energy
Enough equally loadeds realized in each port IO of SAS channel cards, improve each port IO of SAS channel cards load effect
Rate.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
SASZoning partitioning techniques, the hard disk collection for each SAS expansion cards that the SAS expansion cards are concentrated is divided into multiple subregions, Mei Gefen
Area includes a hard disk subset, and each port of the subregion with SAS channel cards is corresponding.
Optionally, the hard disk sub-set size that each subregion of each SAS expansion cards includes is identical.
Optionally, the number of partitions of each SAS expansion cards is identical with the port number of the SAS channel cards.
Optionally, the subregion of each SAS expansion cards and the port of the SAS channel cards are corresponded.
Optionally, the number of partitions of each SAS expansion cards is identical, and each SAS expansion cards each subregion have with
Area code identical subregion in other SAS expansion cards.
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
SASZoning partitioning techniques are used, the hard disk collection for each SAS expansion cards that SAS expansion cards are concentrated is divided into multiple subregions, each subregion
Including a hard disk subset, and each port of the subregion with SAS channel cards is corresponding.
SAS channel cards of the present invention and the SAS expansion card collection being connected with SAS channel cards, using SASZoning partitioning techniques,
The hard disk collection for each SAS expansion cards that SAS expansion cards are concentrated is divided into multiple subregions, and each subregion includes a hard disk subset, and
Each port of the subregion with SAS channel cards is corresponding, realizes the specific control to the port how many hard disks of correspondence of SAS channel cards
System, can be realized in each port IO of SAS channel cards equally loaded with controllable adjustment IO load, be improved SAS
Each port IO of channel card load efficiency.
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 a kind of JBOD cascade systems structural representation of prior art；
Fig. 2 is a kind of JBOD cascade systems structural representation 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, utilizes
The hard disk collection of each SAS expansion cards 13 in SASZoning partitioning techniques, SAS expansion cards collection 12 is divided into multiple subregions, Mei Gefen
Area includes a hard disk subset, and each port of the subregion with SAS channel cards 11 is corresponding.
Specifically, the hard disk collection of SAS expansion cards 13 is utilized into SASZoning partitioning techniques, it is divided into multiple area codes different
Subregion, each subregion can include multiple hard disks, form a hard disk subset, one SAS channel card 11 of each subregion correspondence
A port, can learn because each subregion includes how many hard disks, therefore, it can control each SAS channel cards 11
Port how many hard disks of correspondence, for example, the hard disk collection of a SAS expansion card 13 includes 10 hard disks, utilize SASZoning points
Area's technology, hard disk collection is divided into the subregion of 3 different area codes, such as the first subregion, the second subregion and the 3rd subregion, the first subregion can
To include the hard disk subset of 3 hard disks including one, the second subregion, which can include one, includes the hard disk subset of 3 hard disks, the
Three subregions, which can include one, includes the hard disk subset of 4 hard disks, and the first subregion and the second subregion can be with SAS channel cards 11
First port correspondence, the 3rd subregion can be corresponding with the second port of SAS channel cards 11.
Further, the hard disk sub-set size that each subregion of each SAS expansion cards 13 includes can be with identical, each SAS
The number of partitions of expansion card 13 can be with identical, subregion and the SAS passages of each SAS expansion cards 13 with the port number of SAS channel cards 11
The port of card 11 can be corresponded, and the number of partitions of each SAS expansion cards 13 is identical, and each point of each SAS expansion cards 13
Area code identical subregion is in other SAS expansion cards 13 therewith by Qu Douyou, and SAS channel cards can be realized by meeting above-mentioned all conditions
11 I/O load equiblibrium mass distribution.
For example, SAS channel cards 11 have 4 ports, first port, second port, the 3rd port and the 4th port, SAS expand
Exhibition card collection 12 can include 5 SAS expansion cards 13, and each expansion card can include 40 hard disks, each SAS expansion cards 13
So that including 4 subregions, respectively the first subregion, the second subregion, the 3rd subregion and the 4th subregion, each subregion include 10 firmly
Disk, the first subregion correspondence first port of each SAS expansion cards 13, the second subregion correspondence second port, the 3rd subregion correspondence the
Three ports, the 4th subregion the 4th port of correspondence is, it is necessary to which explanation, the subregion of each identical area code of SAS expansion cards 13 is mutual
Connection, so each port in four ports of SAS channel cards 11 loads 10 hard disks of each SAS expansion cards 13, totally 50 it is hard
Disk, so as to realize the I/O load equiblibrium mass distribution of SAS channel cards 11.
Certainly, JBOD cascade systems are not necessarily required to while above-mentioned all conditions are met, to realize the IO of SAS channel cards 11
Load balancing is distributed, and according to user's practical application request each port of SAS channel cards 11 can be controlled to be responsible for how many hard disks,
Realize SAS channel cards 11IO reasonable distribution, for example, SAS channel cards 11 have 4 ports, first port, second port,
3rd port and the 4th port, SAS expansion cards collection 12 can include 5 SAS expansion cards 13, and each expansion card can include 40
Hard disk, each SAS expansion cards 13 may each comprise 4 subregions, respectively the first subregion, the second subregion, the 3rd subregion and the 4th
Subregion, the first subregion to the 3rd subregion can each include 12 hard disks, and the 4th subregion can include 4 hard disks, and each SAS expands
The first subregion correspondence first port of exhibition card 13, the second subregion correspondence second port, the 3rd port of the 3rd subregion correspondence, the 4th point
Area the 4th port of correspondence, the first port of SAS channel cards 11 is responsible for 60 hard disks to the 3rd port is each, and the of SAS channel cards 11
20 hard disks are responsible in four ports, to realize that the hard disk in the 4th subregion to each SAS expansion cards 13 provides efficient I O process
Ability, it is ensured that the hard disk significant data in the 4th subregion of each SAS expansion cards 13 can be handled in time.
It can be seen that, SAS of embodiment of the present invention channel cards 11 and the SAS expansion cards collection 12 being connected with SAS channel cards 11 are utilized
The hard disk collection of each SAS expansion cards 13 in SASZoning partitioning techniques, SAS expansion cards collection 12 is divided into multiple subregions, Mei Gefen
Area includes a hard disk subset, and each port of the subregion with SAS channel cards 11 is corresponding, realizes to SAS channel cards 11
The specific control of port how many hard disks of correspondence, be able to can be realized in the every of SAS channel cards 11 with controllable adjustment IO load
Individual port IO equally loaded, improves each port IO of SAS channel cards 11 load efficiency.
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 provided by the present invention are described in detail above, it is used herein specifically individual
Example is set forth to the principle and embodiment of the present invention, and the explanation of above example is only intended to help to understand the present invention's
Method and its core concept；Simultaneously for those of ordinary skill in the art, according to the thought of the present invention, in specific embodiment party
It will change in formula and application, in summary, this specification content should not be construed as limiting the invention.
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, using SASZoning partitioning techniques, the hard disk collection for each SAS expansion cards that the SAS expansion cards are concentrated is divided into multiple points
Area, each subregion includes a hard disk subset, and each port of the subregion with SAS channel cards is corresponding.
2. the JBOD cascade systems according to claim 1, it is characterised in that each subregion of each SAS expansion cards
Including hard disk sub-set size it is identical.
3. the JBOD cascade systems according to claim 1, it is characterised in that the number of partitions of each SAS expansion cards with
The port number of the SAS channel cards is identical.
4. the JBOD cascade systems according to claim 1, it is characterised in that the subregion of each SAS expansion cards and institute
The port for stating SAS channel cards is corresponded.
5. according to the JBOD cascade systems of any one of Claims 1-4, it is characterised in that each SAS expansion cards
The number of partitions is identical, and each SAS expansion cards each subregion have therewith area code identical subregion in other SAS expansion cards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517734.0A CN107315542B (en) | 2017-06-29 | 2017-06-29 | JBOD cascade system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517734.0A CN107315542B (en) | 2017-06-29 | 2017-06-29 | JBOD cascade system |
Publications (2)
| Publication Number | Publication Date |
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| CN107315542A true CN107315542A (en) | 2017-11-03 |
| CN107315542B CN107315542B (en) | 2020-11-20 |
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| CN201710517734.0A Active CN107315542B (en) | 2017-06-29 | 2017-06-29 | JBOD cascade system |
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|---|---|
| CN107315542B (en) | 2020-11-20 |
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