HP Modular Smart Array 500 Starter Kit Uživatelská příručka Strana 40

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40 Alphabetical list of commands
create task
Description Creates a task that can be scheduled. You can create a task to take a snapshot of a master volume,
to copy a snapshot or a master volume to a new standard volume, or to reset a snapshot.
CAUTION: Before scheduling a reset snapshot task, consider that if the snapshot is mounted to a
host operating system, the snapshot must be unmounted before the reset is performed; leaving it
mounted can cause data corruption. You should create a scheduled job on the host to unmount the
snapshot prior to resetting the snapshot.
Syntax To create a task to take a snapshot:
create task name type TakeSnapshot master-volume volume snapshot-prefix prefix
retention-count #
To create a task to reset a snapshot:
create task name type ResetSnapshot snapshot-volume volume
To create a task to copy a volume:
create task name type VolumeCopy source-volume volume dest-vdisk vdisk
dest-prefix prefix [modified-snapshot yes|no]
Parameters name
A name for the new task. The name is case sensitive, cannot include a comma, double quote, or
backslash, and can have a maximum of 32 bytes. A name that includes a space must be enclosed in
double quotes.
type TakeSnapshot|ResetSnapshot|VolumeCopy
The task type:
TakeSnapshot: Takes a snapshot of a master volume.
ResetSnapshot: Deletes the data in the snapshot and resets it to the current data in the
associated master volume. The snapshot's name and other volume characteristics are not
changed.
CAUTION: Before scheduling a reset snapshot task, consider that if the snapshot is mounted to a
host operating system, the snapshot must be unmounted before the reset is performed; leaving it
mounted can cause data corruption.
VolumeCopy: Copies a snapshot or a master volume to a new standard volume. The command
creates the destination volume you specify, which must be in a vdisk owned by the same
controller as the source volume.
master-volume volume
Name or serial number of the volume to take a snapshot of. For syntax, see Command syntax.
snapshot-prefix prefix
A label to identify snapshots created by this task. Snapshot names have the format prefix_s001
through prefix_s1023.
retention-count #
The number of snapshots with this prefix to retain. When a new snapshot exceeds this limit, the
oldest snapshot with the same prefix is deleted.
snapshot-volume volume
Name or serial number of the snapshot to reset. For syntax, see Command syntax.
source-volume volume
Name or serial number of the master volume or snapshot to copy. For syntax, see Command syntax.
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