Virtual Drive-Related Options; Display Virtual Drive Information; Change Virtual Drive Cache And Access Parameters - Lenovo ThinkServer RD240 Software User's Manual

Megaraid sas software user guide
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5.10 Virtual Drive-Related Options

5.10.1

Display Virtual Drive Information

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.
5.10.2
Change the Virtual Drive Cache and Access Parameters
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.
5-26
You can use the commands in this section to select settings for the virtual
drives and perform actions on them.
Use the command in
selected controller(s).
Use the command in
policy for the virtual drive(s) on the selected controller(s).
MegaRAID Command Tool
Table 5.36
to display virtual drive information for the
Table 5.37
to change the cache policy and access

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