HP XP7 RAID Manager Reference Guide (T1610-96064)

GROUP: external volume group number.
P_NO: partition number in this external volume group.
LDEV#: LDEV number assigned to this external volume group.
STS: displays the following status.
- NML: an LDEV is installed.
- REG: an LDEV is being created.
- DEL: an LDEV is being deleted.
LOC_LBA: starting point of LBA for this partition on this External Volume Group, in units of 512
bytes.
SIZE_LBA: partition size of this External Volume Group, in units of 512 bytes.
Serial#: Product serial number.
For XP7 Storage, the number of which 300,000 is added to the serial number is displayed.
raidcom modify external_grp
Changes the attribute of external volume options (cache mode, cache inflow control mode, and
MP blade ID setting).
Syntax
raidcom modify external_grp -external_grp_id <gno-sgno>
{-cache_mode {y | n} | -cache_inflow {y | n}
| -mp_blade_id <mp#>} | -load_balance <mode> |-alua_switch <y|n>
Options and parameters
DescriptionOption
Specifies the external volume group number (gno:1-16384, sgno:1-4096). For example:
• 52-11
-external_grp_id
<gno-sgno>
Specifies whether to use the cache mode for an external volume. If the relevant external
volume group is split into the multiple LDEVs and these LDEVs are allocated to the pools, you
cannot change the setting for the cache mode.
-cache_mode {y | n}
• y: Cache mode enabled (E)
• n: Cache mode disabled (D)
Specifies whether to use the Cache Inflow Control mode for an external volume. If the external
volume group consists of multiple LDEVs and these LDEVs are allocated to the pool, you
cannot change this parameter.
-cache_inflow {y | n}
• y : Cache Inflow Control mode enabled (E)
• n : Cache Inflow Control mode disabled (D)
Specifies the MP blade ID (0-7). For example:-mp_blade_id <mp#>
-mp_blade_id 2
Specifies load distribution mode of the alternate paths.-load_balance <mode>
• normal: normal round robin
• extended: extended round robin
• disable: disable
Specifies whether the ALUA mode is used or not.-alua_switch <y|n>
148 Configuration setting commands