CN108595127A - A kind of method and device dividing SAS port subregion - Google Patents
A kind of method and device dividing SAS port subregion Download PDFInfo
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- CN108595127A CN108595127A CN201810439712.1A CN201810439712A CN108595127A CN 108595127 A CN108595127 A CN 108595127A CN 201810439712 A CN201810439712 A CN 201810439712A CN 108595127 A CN108595127 A CN 108595127A
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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
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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
- G06F3/0628—Interfaces specially adapted for storage systems making use of a particular technique
- G06F3/0629—Configuration or reconfiguration of storage systems
- G06F3/0634—Configuration or reconfiguration of storage systems by changing the state or mode of one or more devices
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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
- G06F3/0668—Interfaces specially adapted for storage systems adopting a particular infrastructure
- G06F3/067—Distributed or networked storage systems, e.g. storage area networks [SAN], network attached storage [NAS]
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Abstract
The application provides a kind of method and device dividing SAS port subregion, the method includes：Whether the business of the operating mode and the main control server that check target SAS expander matches, if mismatching, adjusts the operating mode of the target SAS expander；Wherein, the operating mode includes subregion enabling mode and subregion not enabled pattern；If the matched operating mode of business with main control server is subregion enabling mode, check whether the zone configuration scheme of the target SAS expander matches with the business of the main control server, if mismatching, adjusts the zone configuration scheme of target SAS expander.In technical scheme, since the main control server of SAS domain can adjust the operating mode and zone configuration scheme of target SAS expander based on local service, target SAS expander is switched between subregion enabling mode and subregion not enabled pattern, can also be switched between a variety of zone configuration schemes.
Description
Technical field
This application involves field of storage, more particularly to a kind of method and device dividing SAS port subregion.
Background technology
SAS (Serial Attached SCSI, list type SCSI) interconnection technique defines the subregion (Zone) in SAS domain
Function.Wherein, SAS domain includes several SAS devices and SAS expander (SAS Expander).SAS expander includes multiple ends
Mouthful, each port is divided into several subregions by SAS sectoring functions, and several ports for being divided into same subregion form partition group
(Zone Group).Wherein, " port " is a logical concept, and a port may include one or more PHY (Physical
Layer) chip.
In addition, can also configure zone group permission table in SAS expander, which can characterize each region group inner end
The permission that mouth accesses mutually.Such as：The structure of region group claim table logically can be 128 region group × 128 region
The matrix of group, each element indicate with the element the corresponding region group of line direction whether can be with the element in column direction
Corresponding region group accesses mutually, wherein element may include 1 and 0, and 1 indicates to access mutually, and 0 expression cannot be mutual
It accesses.
In the prior art, usually by preset SAS zone configurations parameter read-in to the memory of SAS expander, for example,
It is written to the flash chip or EEPROM (Electrically Erasable Programmable Read of SAS expander
Only Memory, band electrically erasable programmable read-write memory).In SAS expander start-up course, SAS expander can be read
The SAS zone configuration parameters in memory are taken, to complete zone configuration so that SAS expander works under subregion enabling mode.
However, in the above scheme, the SAS expander that zone configuration parameter is written in memory can only be under subregion enabling mode
Work needs programming memory again, operation is complex and there are risks if to be restored to subregion not enabled pattern.In addition,
SAS expander only supports single zone configuration scheme, if to be switched to other zone configuration schemes, also needs to burn again
Write memory.
Invention content
In view of this, the application provides a kind of method and device dividing SAS port subregion, to realize that subregion enables mould
Switching between formula and subregion not enabled pattern, and SAS expander is enable to support a variety of zone configurations.
Specifically, the application is achieved by the following technical solution：
A method of SAS port subregion is divided, is applied to the main control server of SAS domain, the SAS domain includes several
SAS expander, including：
Whether the business of the operating mode and the main control server that check target SAS expander matches, if mismatching, adjusts
The operating mode of the whole target SAS expander；Wherein, the operating mode includes subregion enabling mode and subregion not enabled mould
Formula；
If the matched operating mode of business with the main control server is subregion enabling mode, the target SAS is checked
Whether the zone configuration scheme of expander matches with the business of the main control server, if mismatching, adjusts the target SAS and expands
Open up the zone configuration scheme of device.
In the method for dividing SAS port subregion, the target SAS expander includes the enabled switch of subregion, described
The enabled switch of subregion characterizes the operating mode that the target SAS expander need to enable；
It is described to check whether the operating mode of target SAS expander and the business of the main control server match, if not
Match, adjusts the operating mode of the target SAS expander, including：
Check whether the enabled switch of the subregion is opened；
If so, checking whether the matched operating mode of business with the main control server is subregion enabling mode；
If the matched operating mode of business with the main control server is subregion not enabled pattern, to the target
SAS expander sends subregion shutdown command, to close the enabled switch of the subregion by the target SAS expander and by Working mould
Formula switches to subregion not enabled pattern.
In the method for dividing SAS port subregion, the target SAS expander includes the enabled switch of subregion, described
The enabled switch of subregion characterizes the operating mode that the target SAS expander need to enable；
It is described to check whether the operating mode of target SAS expander and the business of the main control server match, if not
Match, adjusts the operating mode of the target SAS expander, including：
Check whether the enabled switch of the subregion is opened；
If not, checking whether the matched operating mode of business with the main control server is subregion not enabled pattern；
If the matched operating mode of business with the main control server is subregion enabling mode, to the target SAS
Expander sends subregion enable command, to open the enabled switch of the subregion by the target SAS expander and by operating mode
Switch to subregion enabling mode.
In the method for dividing SAS port subregion, the target SAS expander includes zone configuration scheme selector
And configuration file, wherein the zone configuration scheme selector is written with configuration identifier, and the configuration file includes a variety of subregions
Parameter is configured, there are corresponding configuration identifiers for each zone configuration parameter；
The business of the zone configuration scheme for checking the target SAS expander and the main control server whether
Match, if mismatching, adjusts the zone configuration scheme of the target SAS expander, including：
Obtain the first configuration identifier in the zone configuration scheme selector；
Service identification based on local service searches configured zone configuration table, determines corresponding with the service identification the
Two configuration identifiers；Wherein, the zone configuration table includes the mapping relations of service identification and configuration identifier；
Check whether first configuration identifier and second configuration identifier are consistent, if inconsistent, to the target SAS
Expander sends configuration switching command, and the configuration switching command carries second configuration identifier, to be expanded by the target SAS
First configuration identifier in the zone configuration scheme selector is replaced with second configuration identifier, from described by exhibition device
The corresponding zone configuration parameter of second configuration identifier is obtained in configuration file and configuration is completed based on the zone configuration parameter.
In the method for dividing SAS port subregion, the method further includes：
It adjusts to subregion enabling mode by the operating mode of the target SAS expander, is extended to the target SAS
Device sends the configuration switching command, and the configuration switching command carries second configuration identifier, to be expanded by the target SAS
First configuration identifier in the zone configuration scheme selector is replaced with second configuration identifier, from described by exhibition device
The corresponding zone configuration parameter of second configuration identifier is obtained in configuration file and configuration is completed based on the zone configuration parameter.
In the method for dividing SAS port subregion, the main control server includes at least two controllers, the mesh
There are the distal end SAS expanders of the target SAS expander in disk chassis unit residing for mark SAS expander；
The method further includes：
If the operating mode of the target SAS expander and the business of the main control server mismatch, the mesh is adjusted
Mark the operating mode of the distal end SAS expander of SAS expander；
If the zone configuration scheme of the target SAS expander and the business of the main control server mismatch, institute is adjusted
State the zone configuration scheme of the distal end SAS expander of target SAS expander.
A kind of device dividing SAS port subregion, is applied to the main control server of SAS domain, the SAS domain includes several
SAS expander, including：
The business of the first adjustment unit, operating mode and the main control server for checking target SAS expander is
No matching adjusts the operating mode of the target SAS expander if mismatching；Wherein, the operating mode includes that subregion enables
Pattern and subregion not enabled pattern；
Second adjustment unit, if for being that subregion enables mould with the matched operating mode of the business of the main control server
Formula, checks whether the zone configuration scheme of the target SAS expander matches with the business of the main control server, if not
Match, adjusts the zone configuration scheme of the target SAS expander.
In the device for dividing SAS port subregion, the target SAS expander includes the enabled switch of subregion, described
The enabled switch of subregion characterizes the operating mode that the target SAS expander need to enable；
The first adjustment unit, is further used for：
Check whether the enabled switch of the subregion is opened；
If so, checking whether the matched operating mode of business with the main control server is subregion enabling mode；
If the matched operating mode of business with the main control server is subregion not enabled pattern, to the target
SAS expander sends subregion shutdown command, to close the enabled switch of the subregion by the target SAS expander and by Working mould
Formula switches to subregion not enabled pattern.
In the device for dividing SAS port subregion, the target SAS expander includes the enabled switch of subregion, described
The enabled switch of subregion characterizes the operating mode that the target SAS expander need to enable；
The first adjustment unit, is further used for：
Check whether the enabled switch of the subregion is opened；
If not, checking whether the matched operating mode of business with the main control server is subregion not enabled pattern；
If the matched operating mode of business with the main control server is subregion enabling mode, to the target SAS
Expander sends subregion enable command, to open the enabled switch of the subregion by the target SAS expander and by operating mode
Switch to subregion enabling mode.
In the device for dividing SAS port subregion, the target SAS expander includes zone configuration scheme selector
And configuration file, wherein the zone configuration scheme selector is written with configuration identifier, and the configuration file includes a variety of subregions
Parameter is configured, there are corresponding configuration identifiers for each zone configuration parameter；
The second adjustment unit, is further used for：
Obtain the first configuration identifier in the zone configuration scheme selector；
Service identification based on local service searches configured zone configuration table, determines corresponding with the service identification the
Two configuration identifiers；Wherein, the zone configuration table includes the mapping relations of service identification and configuration identifier；
Check whether first configuration identifier and second configuration identifier are consistent, if inconsistent, to the target SAS
Expander sends configuration switching command, and the configuration switching command carries second configuration identifier, to be expanded by the target SAS
First configuration identifier in the zone configuration scheme selector is replaced with second configuration identifier, from described by exhibition device
The corresponding zone configuration parameter of second configuration identifier is obtained in configuration file and configuration is completed based on the zone configuration parameter.
In the embodiment of the present application, main control server can check target SAS expander operating mode and business whether
Matching adjusts the operating mode of the target SAS expander if mismatching, wherein the operating mode includes that subregion enables mould
Formula and subregion not enabled pattern；If the matched operating mode of business with the target SAS expander is subregion enabling mode, inspection
Whether the zone configuration scheme for looking into the target SAS expander matches with business, if mismatching, adjusts the target SAS extensions
The zone configuration scheme of device；
Since the main control server of SAS domain can adjust the operating mode and zone configuration scheme of target SAS expander, make
Target SAS expander is obtained to switch between subregion enabling mode and subregion not enabled pattern, it can also be at a variety of points
It is switched between area's allocation plan.
Description of the drawings
Fig. 1 is a kind of SAS domain network architecture diagram shown in the application；
Fig. 2 is a kind of flow chart of the method for division SAS port subregion shown in the application；
Fig. 3 is a kind of flow diagram of the method for division SAS port subregion shown in the application；
Fig. 4 is a kind of flow diagram of SAS expander zone configuration shown in the application；
Fig. 5 is another SAS domain network architecture diagram shown in the application；
Fig. 6 is a kind of embodiment block diagram of the device of division SAS port subregion shown in the application；
Fig. 7 is a kind of hardware structure diagram of the device of division SAS port subregion shown in the application.
Specific implementation mode
In order to make those skilled in the art more fully understand the technical solution in the embodiment of the present invention, and make of the invention real
The above objects, features, and advantages for applying example can be more obvious and easy to understand, below in conjunction with the accompanying drawings to prior art and the present invention
Technical solution in embodiment is described in further detail.
It is a kind of SAS domain network architecture diagram shown in the application referring to Fig. 1.As shown in Figure 1, the SAS domain includes one
SPU (Storage Processor Unit, storage control unit) and DSU (Disk Shelf Unit, a disk chassis list
Member), wherein include a SAS expander and multiple disks in DSU.
In this application, SPU is adjusted the zone configuration scheme of SAS expander as main control server.
In addition, Fig. 1 is a kind of more concise SAS domain network architecture diagram, in practical applications, SAS domain may include multiple
SAS expander in DSU, each DSU can connect two-by-two so that DSU is interconnected.
It is a kind of flow chart of the method for division SAS port subregion shown in the application referring to Fig. 2, this method is applied to
The main control server of SAS domain, above-mentioned SAS domain include several SAS expanders；This method includes：
Step 201：Whether the business of the operating mode and the main control server that check target SAS expander matches, if
It mismatches, adjusts the operating mode of the target SAS expander；Wherein, the operating mode includes subregion enabling mode and divides
Area's not enabled pattern.
Wherein, above-mentioned main control server is used to adjust the zone configuration scheme of each SAS expander, and main control server can be
SPU。
Above-mentioned target SAS expander refers to any SAS expander for receiving main control server adjustment, is for ease of retouching
The name for stating progress, does not limit the application.
Subregion enabling mode is Zoning Enable patterns, and subregion not enabled pattern is Zoning Disable moulds
Formula.
In a kind of embodiment shown, the enabled switch of subregion is respectively configured in each SAS expander, and above-mentioned subregion is enabled to be opened
Close the operating mode that characterization SAS expander need to enable.
In this embodiment, main control server is when checking the operating mode of above-mentioned target SAS expander, Ke Yijian
Whether the enabled switch of subregion for looking into above-mentioned target SAS expander is opened.As a kind of embodiment, main control server can be to above-mentioned
Target SAS expander issues enabled switch and checks order, to report the enabled switch of local subregion by above-mentioned target SAS expander
State, the state be turned on and off.As a kind of embodiment, the order occurred in the application can be SES (SCSI
Enclosure Services, SCSI enclosure service) order.
It is a kind of flow diagram of the method for division SAS port subregion shown in the application referring to Fig. 3.Such as Fig. 3 institutes
Show, after SAS domain system reboot, main control server starts to check the operating mode of target SAS expander, in step 303, first
Judge whether target SAS expander is subregion enabling mode.
On the one hand, if the enabled switch of above-mentioned subregion is opened, the operating mode of above-mentioned target SAS expander can be determined
It is subregion enabling mode.Referring to the step 304 of Fig. 3, in this case, main control server can be checked further to be taken with master control
Whether the matched operating mode of business of business device is subregion enabling mode.
As a kind of embodiment, it is pre-configured zone configuration table on main control server, which includes service identification
With the mapping relations of configuration identifier.Wherein, the business that may be run on service identification characterization main control server；Configuration identifier characterizes
The zone configuration scheme that main control server may use, each zone configuration scheme are respectively present corresponding zone configuration parameter, into
One step, the configuration identifier of characterization zone configuration scheme corresponds to zone configuration parameter.
It should be pointed out that for can be with for the business of subregion not enabled pattern match, on above-mentioned zone configuration table
The service identification of such business is not recorded, alternatively, what is recorded in above-mentioned zone configuration table is corresponding with the service identification of such business
Configuration identifier be sky.
(1) service identification of the main control server based on local service finds corresponding configuration identifier, then can determine with
The matched operating mode of business of above-mentioned main control server is subregion enabling mode.Referring to the step 306 of Fig. 3, in such case
Under, main control server can further judge whether current business matches with zone configuration scheme.Specific correlation as detailed below is retouched
It states.
(2) service identification of the main control server based on local service does not find corresponding configuration identifier or what is found match
It sets and is identified as sky, then can determine that with the matched operating mode of the business of above-mentioned main control server be subregion not enabled pattern.Ginseng
See the step 307 of Fig. 3, in this case, main control server can send subregion to above-mentioned target SAS expander and close life
It enables.Above-mentioned target SAS expander receives the subregion shutdown command, can close the enabled switch of the subregion of itself, and by work
Pattern switching is to subregion not enabled pattern.
Certainly, in practical applications, above-mentioned target SAS expander need to restart after closing the enabled switch of the subregion of itself
And after noticing main control server to be restarted by main control server, subregion not enabled pattern can be just switched to.The step of referring to Fig. 3
308。
It is a kind of flow diagram of SAS expander zone configuration shown in the application referring to Fig. 4.Such as Fig. 4 steps 410
It is shown, it, can be with the state of the enabled switch of regeneration block so that weight after above-mentioned target SAS expander receives subregion shutdown command
Open rear switching working mode.
On the other hand, if the enabled switch of above-mentioned subregion is closed, the Working mould of above-mentioned target SAS expander can be determined
Formula is subregion not enabled pattern.Referring to the step 304 of Fig. 3, in this case, main control server can be checked further and master
Whether the matched operating mode of business for controlling server is subregion not enabled pattern.
As a kind of embodiment, main control server is yet by above-mentioned zone configuration table is searched, with determining and main control server
The matched operating mode of business whether be subregion not enabled pattern.
(1) service identification of the main control server based on local service does not find corresponding configuration identifier or what is found match
It sets and is identified as sky, then the confirmable and above-mentioned main control server matched operating mode of business is subregion not enabled pattern.
Referring to the step 313 of Fig. 3, in this case, main control server is not necessarily to carry out the zone configuration scheme of target SAS expander
Adjustment, zone configuration check process terminate.
(2) service identification of the main control server based on local service finds corresponding configuration identifier, then can determine with
The matched operating mode of business of above-mentioned main control server is subregion enabling mode.Referring to the step 310 of Fig. 3, in such case
Under, main control server can send subregion enable command to above-mentioned target SAS expander.Above-mentioned target SAS expander receives
The subregion enable command can open the enabled switch of the subregion of itself, and operating mode is switched to subregion enabling mode.
Certainly, in practical applications, above-mentioned target SAS expander need to restart after opening the enabled switch of the subregion of itself
And by main control server to be restarted by main control server after, can just switch to subregion enabling mode.Referring to the step 311 of Fig. 3.
As shown in Fig. 4 steps 410, after above-mentioned target SAS expander receives subregion enable command, it can be made with regeneration block
The state that can be switched so that restart rear switching working mode.
Step 202：If the matched operating mode of business with the main control server is subregion enabling mode, described in inspection
Whether the zone configuration scheme of target SAS expander matches with the business of the main control server, if mismatching, adjusts the mesh
Mark the zone configuration scheme of SAS expander.
If main control server has determined that the operating mode of above-mentioned target SAS expander is subregion enabling mode before this, and really
Fixed and main control server the matched operating mode of business is subregion enabling mode.Referring to the step 306 of Fig. 3, in such case
Under, main control server may determine that whether current business matches with zone configuration scheme.
In a kind of embodiment shown, above-mentioned target SAS expander includes zone configuration scheme selector and configuration
File.Wherein, above-mentioned zone configuration scheme selector is written with configuration identifier, which characterizes above-mentioned target SAS extensions
The zone configuration scheme that device need to execute；Above-mentioned configuration file includes a variety of zone configuration parameters.It is pointed out that above-mentioned subregion
The configuration identifier of acquiescence is written in allocation plan selector under initial situation, and the configuration identifier of the acquiescence can indicate master control service
The matched zone configuration scheme of the maximum business of running frequency on device.Therefore, main control server is by above-mentioned target SAS expander
Operating mode adjust to subregion enabling mode, it may not be necessary to adjust the zone configuration scheme of above-mentioned target SAS expander.
In this embodiment, main control server can obtain the zone configuration scheme choosing of above-mentioned target SAS expander
Select the first configuration identifier in device.Further, main control server can search above-mentioned point based on the service identification of local service
Area's allocation list determines the second configuration identifier corresponding with the service identification.
Wherein, the first configuration identifier and the second configuration identifier refer to corresponding with zone configuration scheme (zone configuration parameter)
Configuration identifier, the name only carried out for ease of description, does not limit the application.
Main control server can check whether above-mentioned first configuration identifier and above-mentioned second configuration identifier are consistent.
(1) above-mentioned first configuration identifier is consistent with above-mentioned second configuration identifier, referring to the step 313 of Fig. 3, in such case
Under, without being adjusted to the zone configuration scheme of target SAS expander, zone configuration check process terminates main control server.
(2) above-mentioned first configuration identifier and above-mentioned second configuration identifier are inconsistent, referring to the step 309 of Fig. 3, master control service
Device can send configuration switching command to above-mentioned target SAS expander.Wherein, above-mentioned configuration switching command carries above-mentioned second and matches
Set mark.
Above-mentioned target SAS expander receives the configuration switching command, can be by local zone configuration scheme selector
In above-mentioned first configuration identifier replace with above-mentioned second configuration identifier, above-mentioned second is then obtained from above-mentioned configuration file and is matched
It sets the corresponding zone configuration parameter of mark and configuration is completed based on the zone configuration parameter.
Certainly, in practical applications, configuration mark of the above-mentioned target SAS expander in regeneration block allocation plan selector
After knowledge, need to restart and by main control server to be restarted by main control server after, zone configuration could be completed.Referring to the step of Fig. 3
Rapid 308.
As shown in Fig. 4 steps 420, after above-mentioned target SAS expander receives configuration switching command, it can update local
Zone configuration scheme selector so that based on the configuration identifier selection zone configuration ginseng in zone configuration scheme selector after restarting
Number completes zone configuration.
Due to being previously written a variety of zone configuration parameters in configuration file, SAS expander can be based on configuration identifier and obtain
Zone configuration parameter carries out zone configuration, and entire configuration process takes extremely short.
In addition, in a kind of embodiment shown, if main control server is with the above-mentioned target SAS expander of determination before this
Operating mode is subregion not enabled pattern, and determines that with the matched operating mode of main control server be subregion enabling mode.At this
In the case of kind, main control server is adjusted by the operating mode of above-mentioned target SAS expander to subregion enabling mode, to shorten
Testing process is distributed, target SAS expander can be stated directly up and send configuration switching command；Wherein, the configuration switching command
Carry the second configuration identifier corresponding with the service identification of local service.
Still by taking Fig. 3 as an example, i.e., between step 310 and step 311, configuration switching is sent to above-mentioned target SAS expander
Order.
Above-mentioned target SAS expander receives the configuration switching command, can be to local zone configuration scheme selector
Middle above-mentioned second configuration identifier of write-in, then obtains the corresponding zone configuration of above-mentioned second configuration identifier from above-mentioned configuration file
Parameter simultaneously completes configuration based on the zone configuration parameter.
Technical scheme applies also for the main control server for the SAS domain more controlled.Referring to Fig. 5, shown for the application
Another SAS domain network architecture diagram, the main control server in the SAS domain network architecture diagram is dual control server, including two
Controller.As shown in figure 5, the SAS domain includes SPU and DSU, wherein include two SAS expanders in DSU and more
A disk.It should be pointed out that in the DSU being adapted to dual control server, two SAS expanders are with multiple disks with identical side
Formula connects.
The operating mode and zone configuration that one controller of main control server is responsible for operation business, adjusts SAS expander
Scheme, when the controller breaks down, then another controller can take over the work of the controller.To ensure that another controller connects
After pipe business, still can under correct zone configuration scheme normal operation, need to ensure each SAS expander in same disk chassis unit
Zone configuration scheme it is consistent.
If in view of this, above-mentioned target SAS expander operating mode and above-mentioned main control server business mismatch,
Main control server also needs to adjust above-mentioned target SAS expander other than adjusting the operating mode of above-mentioned target SAS expander
The operating mode of distal end SAS expander.Wherein, said distal ends SAS expander is in disk chassis unit in addition to above-mentioned target SAS
Other SAS expanders other than expander.
In a kind of embodiment shown, the enabled switch of subregion is respectively configured in each SAS expander, and above-mentioned subregion is enabled to be opened
Close the operating mode that characterization SAS expander need to enable.
In this embodiment, main control server is checking the operating mode for finding target SAS expander and local industry
It, can be with other than sending subregion shutdown command (or subregion enable command) to above-mentioned target SAS expander when business mismatches
Subregion shutdown command (or subregion enable command) is sent to the distal end SAS expander of above-mentioned target SAS expander.
Alternatively, main control server is when checking that operating mode and the local service for finding target SAS expander mismatch, to
After above-mentioned target SAS expander sends subregion shutdown command (or subregion enable command), above-mentioned target SAS expander is in addition to update
Outside the enabled switch of local subregion and switching working mode, also need to forward above-mentioned subregion shutdown command (or subregion enable command)
To distal end SAS expander, to update the enabled switch of the subregion of itself and switching working mode by said distal ends SAS expander.
In addition, if the business of the zone configuration scheme of above-mentioned target SAS expander and above-mentioned main control server mismatches,
Main control server also needs to adjust above-mentioned target SAS extensions other than adjusting the zone configuration scheme of above-mentioned target SAS expander
The zone configuration scheme of the distal end SAS expander of device.
In a kind of embodiment shown, each SAS expander respectively includes zone configuration Scheme Choice, and it is literary with configuration
Part.Wherein, above-mentioned zone configuration scheme selector is written with configuration identifier, and configuration identifier characterization SAS expander need to execute
Zone configuration scheme；Above-mentioned configuration file includes a variety of zone configuration parameters.
In this embodiment, main control server is checking the zone configuration scheme for finding target SAS expander and this
It, can also be to above-mentioned target other than sending configuration switching command to above-mentioned target SAS expander when ground business mismatches
The distal end SAS expander of SAS expander sends configuration switching command.
Alternatively, main control server is checking the zone configuration scheme for finding target SAS expander and local service mismatch
When, after sending configuration switching command to above-mentioned target SAS expander, above-mentioned target SAS expander is matched in addition to update Local partition
The configuration identifier in scheme selector is set, zone configuration parameter corresponding with configuration identifier is obtained from configuration file and is based on being somebody's turn to do
Zone configuration parameter is completed other than configuration, also needs above-mentioned configuration switching command being forwarded to distal end SAS expander.Distal end SAS expands
Exhibition device receives the configuration switching command, equally can in regeneration block allocation plan selector configuration identifier, from configuration text
Zone configuration parameter corresponding with configuration identifier is obtained in part and configuration is completed based on the zone configuration parameter.
In conclusion in technical scheme, main control server can check the operating mode of target SAS expander
Whether matched with business, if mismatching, adjusts the operating mode of the target SAS expander, wherein the operating mode includes
Subregion enabling mode and subregion not enabled pattern；If the matched operating mode of business with the target SAS expander is subregion
Enabling mode, checks whether the zone configuration scheme of the target SAS expander matches with business, if mismatching, described in adjustment
The zone configuration scheme of target SAS expander；
Since the main control server of SAS domain can adjust the operating mode and zone configuration scheme of target SAS expander, make
Target SAS expander is obtained to switch between subregion enabling mode and subregion not enabled pattern, it can also be at a variety of points
It is switched between area's allocation plan；
In addition, technical scheme is also applied for the main control server for the SAS domain more controlled so that each in disk chassis unit
The zone configuration scheme of SAS expander is identical, to after the switching of the controller of main control server, match in correct subregion
It sets and runs business under scheme.
Corresponding with the aforementioned division embodiment of method of SAS port subregion, present invention also provides divide SAS port point
The embodiment of the device in area.
It is a kind of embodiment block diagram of the device of division SAS port subregion shown in the application referring to Fig. 6：
As shown in fig. 6, the device 60 of the division SAS port subregion includes：
The first adjustment unit 610, the business of operating mode and the main control server for checking target SAS expander
Whether match, if mismatching, adjusts the operating mode of the target SAS expander；Wherein, the operating mode includes that subregion opens
With pattern and subregion not enabled pattern.
Second adjustment unit 620, if for being that subregion enables with the matched operating mode of the business of the main control server
Pattern, checks whether the zone configuration scheme of the target SAS expander matches with the business of the main control server, if not
Match, adjusts the zone configuration scheme of the target SAS expander.
In this example, the target SAS expander includes the enabled switch of subregion, and the enabled switch of the subregion characterizes the mesh
The operating mode that mark SAS expander need to enable；
The first adjustment unit 610, is further used for：
Check whether the enabled switch of the subregion is opened；
If so, checking whether the matched operating mode of business with the main control server is subregion enabling mode；
If the matched operating mode of business with the main control server is subregion not enabled pattern, to the target
SAS expander sends subregion shutdown command, to close the enabled switch of the subregion by the target SAS expander and by Working mould
Formula switches to subregion not enabled pattern.
In this example, the target SAS expander includes the enabled switch of subregion, and the enabled switch of the subregion characterizes the mesh
The operating mode that mark SAS expander need to enable；
The first adjustment unit 610, is further used for：
Check whether the enabled switch of the subregion is opened；
If not, checking whether the matched operating mode of business with the main control server is subregion not enabled pattern；
If the matched operating mode of business with the main control server is subregion enabling mode, to the target SAS
Expander sends subregion enable command, to open the enabled switch of the subregion by the target SAS expander and by operating mode
Switch to subregion enabling mode.
In this example, the target SAS expander includes zone configuration scheme selector and configuration file, wherein described
Zone configuration scheme selector is written with configuration identifier, and the configuration file includes a variety of zone configuration parameters, each zone configuration
There are corresponding configuration identifiers for parameter；
The second adjustment unit 620, is further used for：
Obtain the first configuration identifier in the zone configuration scheme selector；
Service identification based on local service searches configured zone configuration table, determines corresponding with the service identification the
Two configuration identifiers；Wherein, the zone configuration table includes the mapping relations of service identification and configuration identifier；
Check whether first configuration identifier and second configuration identifier are consistent, if inconsistent, to the target SAS
Expander sends configuration switching command, and the configuration switching command carries second configuration identifier, to be expanded by the target SAS
First configuration identifier in the zone configuration scheme selector is replaced with second configuration identifier, from described by exhibition device
The corresponding zone configuration parameter of second configuration identifier is obtained in configuration file and configuration is completed based on the zone configuration parameter.
In this example, the second adjustment unit 620, is further used for：
It adjusts to subregion enabling mode by the operating mode of the target SAS expander, is extended to the target SAS
Device sends the configuration switching command, and the configuration switching command carries second configuration identifier, to be expanded by the target SAS
First configuration identifier in the zone configuration scheme selector is replaced with second configuration identifier, from described by exhibition device
The corresponding zone configuration parameter of second configuration identifier is obtained in configuration file and configuration is completed based on the zone configuration parameter.
In this example, the main control server includes at least two controllers, the disk residing for the target SAS expander
There are the distal end SAS expanders of the target SAS expander in cabinet unit；
Described device further includes：
The first adjustment unit 610, if being further used for the operating mode of the target SAS expander and the master control
The business of server mismatches, and adjusts the operating mode of the distal end SAS expander of the target SAS expander；
The second adjustment unit 620, if be further used for the zone configuration scheme of the target SAS expander with it is described
The business of main control server mismatches, and adjusts the zone configuration scheme of the distal end SAS expander of the target SAS expander.
The embodiment that the application divides the device of SAS port subregion can be applied on main control server.Device embodiment
It can also be realized by way of hardware or software and hardware combining by software realization.For implemented in software, as one
Device on a logical meaning is by the processor of main control server where it by corresponding calculating in nonvolatile memory
Machine program instruction reads what operation in memory was formed.For hardware view, as shown in fig. 7, dividing SAS port for the application
A kind of hardware structure diagram of main control server where the device of subregion, in addition to processor shown in Fig. 7, memory, network interface, with
And except nonvolatile memory, the main control server in embodiment where device is generally according to the division SAS port subregion
The actual functional capability of device can also include other hardware, be repeated no more to this.
The function of each unit and the realization process of effect specifically refer to and correspond to step in the above method in above-mentioned apparatus
Realization process, details are not described herein.
For device embodiments, since it corresponds essentially to embodiment of the method, so related place is referring to method reality
Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein described be used as separating component
The unit of explanation may or may not be physically separated, and the component shown as unit can be or can also
It is not physical unit, you can be located at a place, or may be distributed over multiple network units.It can be according to actual
It needs that some or all of module therein is selected to realize the purpose of application scheme.Those of ordinary skill in the art are not paying
In the case of going out creative work, you can to understand and implement.
The foregoing is merely the preferred embodiments of the application, not limiting the application, all essences in the application
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of the application protection god.
Claims (10)
1. a kind of method dividing SAS port subregion, is applied to the main control server of SAS domain, the SAS domain includes several SAS
Expander, which is characterized in that including：
Whether the business of the operating mode and the main control server that check target SAS expander matches, if mismatching, adjusts institute
State the operating mode of target SAS expander；Wherein, the operating mode includes subregion enabling mode and subregion not enabled pattern；
If the matched operating mode of business with the main control server is subregion enabling mode, the target SAS extensions are checked
Whether the zone configuration scheme of device matches with the business of the main control server, if mismatching, adjusts the target SAS expander
Zone configuration scheme.
2. according to the method described in claim 1, it is characterized in that, the target SAS expander, which includes subregion, enables switch, institute
It states the enabled switch of subregion and characterizes the operating mode that the target SAS expander need to enable；
Whether the business of the operating mode for checking target SAS expander and the main control server matches, if mismatching, adjusts
The operating mode of the whole target SAS expander, including：
Check whether the enabled switch of the subregion is opened；
If so, checking whether the matched operating mode of business with the main control server is subregion enabling mode；
If the matched operating mode of business with the main control server is subregion not enabled pattern, expand to the target SAS
It opens up device and sends subregion shutdown command, to be closed the enabled switch of the subregion by the target SAS expander and be cut operating mode
Shift to subregion not enabled pattern.
3. according to the method described in claim 1, it is characterized in that, the target SAS expander, which includes subregion, enables switch, institute
It states the enabled switch of subregion and characterizes the operating mode that the target SAS expander need to enable；
Whether the business of the operating mode for checking target SAS expander and the main control server matches, if mismatching, adjusts
The operating mode of the whole target SAS expander, including：
Check whether the enabled switch of the subregion is opened；
If not, checking whether the matched operating mode of business with the main control server is subregion not enabled pattern；
If the matched operating mode of business with the main control server is subregion enabling mode, extended to the target SAS
Device sends subregion enable command, to be opened the enabled switch of the subregion by the target SAS expander and be switched operating mode
To subregion enabling mode.
4. according to the method described in claim 1, it is characterized in that, the target SAS expander includes the choosing of zone configuration scheme
Select device and configuration file, wherein the zone configuration scheme selector is written with configuration identifier, and the configuration file includes a variety of
Zone configuration parameter, there are corresponding configuration identifiers for each zone configuration parameter；
It is described to check whether the zone configuration scheme of the target SAS expander matches with the business of the main control server, if
It mismatches, adjusts the zone configuration scheme of the target SAS expander, including：
Obtain the first configuration identifier in the zone configuration scheme selector；
Service identification based on local service searches configured zone configuration table, determines that corresponding with the service identification second matches
Set mark；Wherein, the zone configuration table includes the mapping relations of service identification and configuration identifier；
It checks whether first configuration identifier and second configuration identifier are consistent, if inconsistent, is extended to the target SAS
Device sends configuration switching command, and the configuration switching command carries second configuration identifier, with by the target SAS expander
First configuration identifier in the zone configuration scheme selector is replaced with into second configuration identifier, from the configuration
The corresponding zone configuration parameter of second configuration identifier is obtained in file and configuration is completed based on the zone configuration parameter.
5. according to the method described in claim 4, it is characterized in that, the method further includes：
It adjusts to subregion enabling mode by the operating mode of the target SAS expander, is sent out to the target SAS expander
The configuration switching command is sent, the configuration switching command carries second configuration identifier, with by the target SAS expander
First configuration identifier in the zone configuration scheme selector is replaced with into second configuration identifier, from the configuration
The corresponding zone configuration parameter of second configuration identifier is obtained in file and configuration is completed based on the zone configuration parameter.
6. according to the method described in claim 1, it is characterized in that, the main control server includes at least two controllers, institute
State in the disk chassis unit residing for target SAS expander that there are the distal end SAS expanders of the target SAS expander；
The method further includes：
If the operating mode of the target SAS expander and the business of the main control server mismatch, the target SAS is adjusted
The operating mode of the distal end SAS expander of expander；
If the zone configuration scheme of the target SAS expander and the business of the main control server mismatch, the mesh is adjusted
Mark the zone configuration scheme of the distal end SAS expander of SAS expander.
7. a kind of device dividing SAS port subregion, is applied to the main control server of SAS domain, the SAS domain includes several SAS
Expander, which is characterized in that including：
The first adjustment unit, the business of operating mode and the main control server for checking target SAS expander whether
Match, if mismatching, adjusts the operating mode of the target SAS expander；Wherein, the operating mode includes subregion enabling mode
With subregion not enabled pattern；
Second adjustment unit, if for being subregion enabling mode with the matched operating mode of the business of the main control server, inspection
Whether the zone configuration scheme for looking into the target SAS expander matches with the business of the main control server, if mismatching, adjustment
The zone configuration scheme of the target SAS expander.
8. device according to claim 7, which is characterized in that the target SAS expander includes the enabled switch of subregion, institute
It states the enabled switch of subregion and characterizes the operating mode that the target SAS expander need to enable；
The first adjustment unit, is further used for：
Check whether the enabled switch of the subregion is opened；
If so, checking whether the matched operating mode of business with the main control server is subregion enabling mode；
If the matched operating mode of business with the main control server is subregion not enabled pattern, expand to the target SAS
It opens up device and sends subregion shutdown command, to be closed the enabled switch of the subregion by the target SAS expander and be cut operating mode
Shift to subregion not enabled pattern.
9. device according to claim 7, which is characterized in that the target SAS expander includes the enabled switch of subregion, institute
It states the enabled switch of subregion and characterizes the operating mode that the target SAS expander need to enable；
The first adjustment unit, is further used for：
Check whether the enabled switch of the subregion is opened；
If not, checking whether the matched operating mode of business with the main control server is subregion not enabled pattern；
If the matched operating mode of business with the main control server is subregion enabling mode, extended to the target SAS
Device sends subregion enable command, to be opened the enabled switch of the subregion by the target SAS expander and be switched operating mode
To subregion enabling mode.
10. device according to claim 7, which is characterized in that the target SAS expander includes the choosing of zone configuration scheme
Select device and configuration file, wherein the zone configuration scheme selector is written with configuration identifier, and the configuration file includes a variety of
Zone configuration parameter, there are corresponding configuration identifiers for each zone configuration parameter；
The second adjustment unit, is further used for：
Obtain the first configuration identifier in the zone configuration scheme selector；
Service identification based on local service searches configured zone configuration table, determines that corresponding with the service identification second matches
Set mark；Wherein, the zone configuration table includes the mapping relations of service identification and configuration identifier；
It checks whether first configuration identifier and second configuration identifier are consistent, if inconsistent, is extended to the target SAS
Device sends configuration switching command, and the configuration switching command carries second configuration identifier, with by the target SAS expander
First configuration identifier in the zone configuration scheme selector is replaced with into second configuration identifier, from the configuration
The corresponding zone configuration parameter of second configuration identifier is obtained in file and configuration is completed based on the zone configuration parameter.
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