Avago Technologies MegaRAID Fast Path Software - Manual (Page 249)

LSI Corporation Confidential | July 2011 Page 249
MegaRAID SAS Software User Guide Chapter 5: MegaRAID Command Tool | Virtual Drive-Related Options
5.14.3 Display the Virtual Drive Cache
and Access Parameters
Use the command in the following table to display cache and access parameters for the
virtual drives on the selected controllers.
5.14.4 Manage Virtual Drives
Initialization
Use the command in the following table to manage initialization of the virtual drives on
the selected controllers.
5.14.5 Manage a Consistency Check Use the command in the following table to manage a data consistency check (CC) on
the virtual drives for the selected controllers.
Table 84: Display Virtual Drive Cache and Access Parameters
Convention MegaCli –LDGetProp -Cache | -Access | -Name |
-DskCache -Lx|-L0,1,2| -Lall -aN|-a0,1,2|-aALL
Description Displays the cache and access policies of the virtual drives:
-Cache : -Cached, Direct: Displays cache policy.
-WT (Write through), WB (Write back): Selects write policy.
-NORA (No read ahead), RA (Read ahead), ADRA (Adaptive read ahead):
Selects read policy.
-Access : -RW, -RO, Blocked: Displays access policy.
-DskCache : Displays drive cache policy.
Table 85: Manage Virtual Drive Initialization
Convention MegaCli –LDInit {–Start [Fast | Full]}
|-Abort|–ShowProg|-ProgDsply
-Lx|-L0,1,2|-Lall -aN|-a0,1,2|-aALL
Description Allows you to select the following actions for virtual drive initialization:
-Start : Starts the initialization (writing 0s) on the virtual drives and
displays the progress (this is optional). The fast initialization option initializes
the first and last 8 Mbyte areas on the virtual drive. The full option allows you
to initialize the entire virtual drive.
-Abort : Aborts the ongoing initialization on the virtual drives.
-ShowProg : Displays the snapshot of the ongoing initialization, if any.
-ProgDsply : Displays the progress of the ongoing initialization. The
routine continues to display the progress until at least one initialization is
completed or a key is pressed.
Table 86: Manage Consistency Check
Convention MegaCli –LDCC
–Start|-Abort|-Suspend|-Resume|–ShowProg|-ProgDsply
–Lx|-L0,1,2|-Lall -aN|-a0,1,2|-aALL
Description Allows you to select the following actions for a data CC:
-Start : Starts a CC on the virtual drives, then displays the progress
(optional) and time remaining.
-Abort : Aborts an ongoing CC on the virtual drives.
-Suspend : Suspends the CC.
-Resume : Resumes a CC from the point where the CC was suspended.
-ShowProg : Displays a snapshot of an ongoing CC.
-ProgDsply : Displays ongoing CC progress. The progress displays until at
least one CC is completed or a key is pressed.