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HP StorageWorks 2300 Modular Smart Array CLI reference guide 145
show redundancy-mode
Description Shows the redundancy status of the system.
Syntax
show redundancy-mode
Output Redundancy Mode
The redundancy mode, also called the operation mode.
• Active-Active ULP: Both controllers are active using ULP (Unified LUN Provisioning), which
means 128 LUNs are available for mapping volumes.
• Active-Active: FC only. Both controllers are active, and each has 128 LUNs for mapping
volumes owned by that controller only.
• Independent Cache Performance Mode: Cache mirroring and failover between
controllers is disabled, which results in improved write performance but at a risk of loss of
unwritten data if a controller failure occurs while there is data in the controller's cache memory.
• Single-Controller: There is only a single controller in the enclosure.
Redundancy Status
• Redundant: Both controllers are operational.
• Operational but not redundant: In active-active mode, one controller is operational and
the other is offline. In single-controller mode, the controller is operational.
• Redundant with independent cache: Both controllers are operational with cache
mirroring disabled.
Controller ID Status
• Operational: The controller is operational.
• Down: The controller is installed but not operational.
• Not Installed: The controller is not installed.
Controller ID Serial Number
• Controller module serial number
• Not Available: The controller is down or not installed.
Example Show the redundancy status of a dual-controller FC system with one controller offline:
# show redundancy-mode
System Redundancy
-----------------
Redundancy Mode: Active-Active
Redundancy Status: Operational but not redundant
Controller A Status: Down
Controller A Serial Number: Not Available
Controller B Status: Operational
Controller B Serial Number: 00C0FF0A4326
Show the redundancy status of an operational single-controller system:
# show redundancy-mode
System Redundancy
-----------------
Redundancy Mode: Single Controller
Redundancy Status: Operational but not redundant
Controller A Status: Operational
Controller A Serial Number: 00C0FF0A4318
Controller B Status: Not Installed
Controller B Serial Number: Not Available
- HP StorageWorks 1
- 2300 Modular Smart Array 1
- CLI reference guide 1
- Contents 3
- About this guide 9
- HP technical support 10
- Product warranties 10
- Subscription service 10
- HP web sites 10
- Documentation feedback 10
- 1 Using the CLI 11
- Using CLI scripts 12
- Using the XML API 14
- Scripting guidelines 15
- XML API examples 15
- XML API DTD 17
- XML API basetypes 18
- XML API optimization 18
- Command syntax 20
- Viewing help 21
- Size representations 22
- System event log 22
- Table 7 Commands by category 23
- Category Commands 23
- # abort scrub vdisk vd1 26
- # abort verify vdisk vd1 27
- # abort volumecopy v1_copy 28
- # clear cache volume v1 29
- # clear events a 31
- # convert master-to-std MV1 33
- See also • set vdisk 45
- • show disks 45
- # delete master-volume MV1 51
- # delete schedule Sched1 52
- # delete snap-pool SP1 53
- # delete snapshot SS1 54
- # delete task Task1 56
- # delete volume V1 59
- See expand volume 62
- # expand vdisk VD1 disks 1.11 64
- # expand volume V1 size 100GB 65
- Success: expanded volume V1 65
- # rescan 69
- # scrub vdisk vd1 75
- Cache write policy 80
- Cache optimization mode 80
- Cache read-ahead size 81
- Cache redundancy mode 81
- • show enclosure-status 91
- • show expander-status 91
- # set volume V1 name V2 108
- • show volumes 113
- See also • set cli-parameters 115
- # show controller-date 117
- Time-Zone Offset: -6 117
- See also • show configuration 119
- • show frus 119
- Example Show disk settings: 121
- Add'l Data 126
- See also • show enclosures 126
- # show events last 2 129
- # show events last 3 error 129
- • set expander-phy 131
- See also • show hosts 134
- • show volume-maps 134
- See also • set protocols 144
- See also • restart 152
- • shutdown 152
- See also • set system 157
- See also • create vdisk 165
- • delete vdisk 165
- • expand vdisk 165
- • set vdisk 165
- # shutdown a 170
- Info: Shutting down SC a 170
- # test notification 172
- # verify vdisk VD1 175
- See also • abort volumecopy 178
- • create task 178
- • show vdisks 178
- • show volumecopy-status 178
- Glossary 179
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