Diamond Storage Array Installation, Operations, Maintenance Manual

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ATTO Technology Inc. Diamond Storage Array Installation and Operation Manual
8.0 Copying Drives
Copying drives using the DriveCopy CLI command may be necessary on drives in the JBOD
configuration.
DriveCopy can create a backup of a drive onto
another drive sled. If one drive fails, DriveCopy
may be used to copy the data off the remaining
drive on the sled to another drive on another sled.
Once completed, the sled containing the failed
drive may be replaced.
CAUTIONCAUTION
Make sure the destination backup drive
sled does not contain any important data
because it will be completely overwritten
by the
DriveCopy command.
Procedure
Use the DriveCopy CLI command (refer to Drive
Configuration Commands
on page 45) or use the
Advanced CLI Configuration
page in the
ExpressNAV interface to copy a drive from the
source disk to the destination disk. Parameters are
the sled and drive numbers of the source and
destination drives.
The destination drive must be offline: use the
ATADiskState command to determine if the
destination disk is offline. If you choose the same
source and destination drive, this command will
perform a
DriveWipe .
DriveCopyHalt stops a DriveCopy operation in
progress.
DriveCopyResume resumes a DriveCopy
operation that had been stopped.
DriveCopyStatus
displays the status of a
DriveCopy or DriveWipe
operation
CAUTIONCAUTION
JBOD configurations
You may want to copy drives for backup.
However, since several configurations may
be present on a Diamond Storage Array,
you must be confident you are accessing
and overwriting the appropriate drives and
volumes.
CAUTIONCAUTION
RAID Level 0 systems
DriveCopy may be used to coordinate the
generation of a backup of an entire RAID
Level 0 LUN.