Lenovo ThinkServer RD230, Руководство пользователя программного обеспечения

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5-26 MegaRAID Command Tool
5.10 Virtual Drive-Related Options
You can use the commands in this section to select settings for the virtual
drives and perform actions on them.
5.10.1 Display Virtual Drive Information
Use the command in Table 5.36 to display virtual drive information for the
selected controller(s).
5.10.2 Change the Virtual Drive Cache and Access Parameters
Use the command in Table 5.37 to change the cache policy and access
policy for the virtual drive(s) on the selected controller(s).
Table 5.36 Display Virtual Drive Information
Convention
MegaCli –LDInfo –Lx|-L0,1,2|-Lall -aN|-a0,1,2|-aALL
Description Displays information about the virtual drive(s) on the selected controller(s).
This information includes the name, RAID level, RAID level qualifier, capacity in
megabytes, state, stripe size, number of drives, span depth, cache policy, access
policy, and ongoing activity progress, if any, including initialization, background
initialization, consistency check, and reconstruction.
Table 5.37 Change Virtual Drive Cache and Access Parameters
Convention
MegaCli –LDSetProp WT | WB [-Immediate]| RA |NORA | ADRA|-
Cached|Direct|CachedBadBBU|NoCachedBadBBU} | -RW|RO|Blocked | {-Name
nameString} | -EnDskCache|DisDskCache –Lx| -L0,1,2|-Lall -aN|-a0,1,2|-
aALL
Description Allows you to change the following virtual drive parameters:
-WT
(Write through),
WB
(Write back): Selects write policy.
-NORA
(No read ahead),
RA
(Read ahead),
ADRA
(Adaptive read ahead): Selects read
policy.
-Cached
,
-Direct
: Selects cache policy.
-CachedBadBBU|NoCachedBadBBU
: Specifies whether to use write cache when the
BBU is bad.
-RW
,
-RO
,
Blocked
: Selects access policy.
-EnDskCache
: Enables drive cache.
-DisDskCache
: Disables drive cache.