Avago Technologies MegaRAID Fast Path Software - Manual (Page 268)

Page 268 LSI Corporation Confidential | July 2011
MegaRAID SAS Software User Guide Chapter 5: MegaRAID Command Tool | Recovery (Snapshot)-Related Options
5.20.8 Roll back to an Older Snapshot Use the command in the following table to roll the virtual drive back to an older
snapshot..
5.20.9 Display Snapshot and View
Information
Use the command in the following table to display information about the snapshot and
the view..
5.20.10 Clean the Recoverable Free
Space on the Drives in a Virtual Drive Use the command in the following table to clean the recoverable free space on the
drives in a snapshot repository virtual drive. The free space is unused space on the
drives in a virtual drive.
Table 131: Rollback to an Old Snapshot
Convention MegaCli -Snapshot -Rollback -SnapshotTime yyyymmdd
hh:mm:ss [-Force|-Y] -Lx -aN|-a0,1,2|-aALL
Description Rolls back the virtual drive to an old snapshot. The Rollback option is
supported by Preboot MegaCli not by the OS level MegaCli.
-SnapshotTime yyyymmdd hh:mm:ss : Specifies the snapshot with
the time stamp yyyymmdd hh:mm:ss to which it has to roll back.
-Force : If specified, this option overrides the warning message and causes
a rollback to an older snapshot.
-Y : If specified, this option overrides the warning message and causes a
rollback to an older snapshot.
-Lx : x specifies the source LD number for the command.
Table 132: Display Snapshot and View Information
Convention MegaCli -Snapshot -Info [-SnapshotTime yyyymmdd
hh:mm:ss | -ViewTime yyyymmdd hh:mm:ss] -Lx
-aN|-a0,1,2|-aALL
Description Displays snapshot and view information for the source virtual drive. If the
virtual drive is a repository virtual drive, it displays the LD information, the
number of source virtual drives mapped and their target IDs and the
number of holes.
-SnapshotTime yyyymmdd hh:mm:ss : (Optional) If specified, this
displays the snapshot information for the snapshot with the time stamp
yyyymmdd hh:mm:ss
.
-ViewTime yyyymmdd hh:mm:ss : (Optional) If specified, this displays
the view information for the view with the time stamp yyyymmdd
hh:mm:ss
and the associated snapshot information.
-Lx : x specifies the source LD number for the command.
Table 133: Clean the Recoverable Free Space on the Drives in a Virtual Drive
Convention MegaCli -Snapshot -Clean -Lx -aN|-a0,1,2|-aALL
Description Cleans the recoverable free space on the drives in a snapshot repository
virtual drive.
-Lx : x specifies the LD number for the command. The LD must be a
repository virtual drive.