HP 3PAR InForm OS 3.1.1 CLI Administrator's Manual

CLI housekeeping tasks and commands:
• The move_back_chunklet runs the moverelocpd command.
• The remove_expired_vvs runs the removevv command.
The system_task task type has only one phase and one step.
System Scheduler
The System Scheduler allows you to create, modify, and remove schedules for initiating system
operations with long running times. With the System Scheduler commands you can schedule specific
CLI commands to run at regularly scheduled intervals, or to run once at a specified time.
System Scheduler Commands
Table 11 (page 134) summarizes the System Scheduler commands.
Table 11 System Scheduler Commands
DescriptionCommand
Show the state of tasks currently scheduled on the system.showsched
Create tasks to be initiated by the System Scheduler.createsched
Modify tasks started by the System Scheduler.setsched
Remove tasks initiated by the System Scheduler from the system.removesched
Only the following command operations can be scheduled with the System Scheduler commands:
Table 12 Commands Initiated by the System Scheduler
DescriptionCommand
Displays the status of the system hardware and software components.checkhealth
Consolidates logical disk space in a CPG into as few logical disks as possible,
allowing unused logical disks to be removed.
compactcpg
Consolidates space on the logical disks.compactld
Creates consistent group virtual copies or snapshots of a list of virtual volumes.creategroupsv
Creates consistent group physical copies of a list of virtual volumes.creategroupvvcopy
Creates a virtual copy or snapshot of a virtual volume.createsv
Creates a physical copy of a virtual volume.createvvcopy
Relocates chunklets to specified physical disks.moverelocpd
Removes virtual volumes from the system.removevv
Synchronizes Remote Copy volume groups.syncrcopy
Displays physical disks with high service times and optionally performs load
balancing.
tunepd
Changes the layout of a virtual volume.tunevv
Analyzes and automatically corrects space usage imbalances.tunesys
Updates the snapshot space actually used by a virtual volume. This task cannot
be cancelled.
updatesnapspace
Updates a snapshot virtual volume with a new snapshot.updatevv
The canceltask command cannot be used with the CLI commands initiated by the System
Scheduler commands. The task type scheduled_task can be canceled with the canceltask
134 Managing Tasks