Use the metadata command to recover the critical metadata
describing arrays and volumes.
Syntax
satask metadata -rebuildcluster
satask metadata -scan -filefilename_arg -diskUID_arg -startstart_arg [ -endend_arg ]
satask metadata -dump -diskUID_arg -startstart_arg
Parameters
- satask
- (Required) Specifies a system administrator task, such as issuing service commands that are only
used in specific circumstances.
- -rebuildcluster
- (Required) Creates a cluster from the metadata found in /dumps/t3_recovery.bin created
by the -dump process.
- -scan
- (Optional) Scans the specified MDisk or drive for system metadata.
- -dump
- (Required) Dumps metadata from the specified MDisk or drive
to file /dumps/t3_recovery.bin
- -endend_arg
- (Optional) Specifies the last LBA in which to look for metadata on the disk.
- -filefilename_arg
- (Required) Specifies the file in which you want the results of a scan operation. The file is
placed into the node in the directory /dumps, and can be retrieved using Secure
Copy (scp). The file can be subsequently cleaned using the
cleardumps command.
- -diskUID_arg
- (Required) Specifies the UID of the MDisk or drive that you want to scan,
or remove a dump from.
- -startstart_arg
- (Required) Specifies the following conditions:
- When used with -scan: The first LBA in which to look for metadata on the
disk.
- When used with -dump: The first LBA at which the metadata resides (as
reported in the scan file).
Description
Use this command to recover the critical metadata describing arrays and volumes.
Use the lscmdstatus command to see the status of the
command.
An invocation example
satask metadata -scan -file scan.0.xml -disk 600a0b80000f14ee0000008e4146bdee00000000000000000000000000000000 -start 0
The
resulting output:
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