Silicon Graphics InfiniteStorage 6120, User Manual

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Performance Management
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3.3.2 Rebuild Policy Priority
Each storage pool has its own rebuild policy settings. You may specify the priority values for full
rebuild and partial (fractional) rebuild policies. To display the current settings, enter command
SHOW
POOL <id> ALL_ATTRIBUTES (Figure 71)
.
Full Rebuild Priority
To change the full rebuild priority value
(Figure 72)
, enter this command:
SET POOL <id> REBUILD_FULL_POLICY=<priority>
where <priority> is an integer in the range of 1 to 99. The default value specifies a priority of 80%.
Partial Rebuild Priority
To change the partial rebuild priority value
(Figure 73)
, enter this command:
SET POOL <id> REBUILD_PARTIAL_POLICY=<priority>
where <priority> is an integer in the range of 1 to 99. The default value specifies a priority of 90%.
Figure 71. Show Pool Information
RAID$ show pool 3 all_attributes
OID: 0x19b40003
Type: STORAGE
Name: raid 5 set
Chunk Size: 64KB (0x80 blocks)
Block Size: 0x200
RAID Type: RAID5
Free Raid5 Capacity: 2752512 MBs
Total Capacity: 3522560 MBs
UUID: 0x00
Global Spare Pool: 0x1a0f000a
DiskTimeout(FRT): 10 minutes
Init Policy: NO IO permitted
Init Priority: 50%
Full Rebuild Priority: 80%
Fractional Rebuild Priority: 90%
Sparing Policy: AUTOMATIC
.....
Figure 72. Set Full Rebuild Priority
RAID$ set pool 3 rebuild_full_policy=70
POOL 3 OID=0x19b40003 attributes set with STATUS=’Success’ (0x0)
Figure 73. Set Partial Rebuild Priority
RAID$ set pool 3 rebuild_partial_policy=80
POOL 3 OID=0x19b40003 attributes set with STATUS=’Success’ (0x0)