3PAR InForm® OS 2.3.1 CLI Administrator's Manual (320-200180 Rev B, February 2010)

13.18
Task Types
3PAR InForm CLI Administrator’s Manual InForm OS Version 2.3.1
For more information about the 3PAR System Tuner and the tunevv command, see
Chapter 16, Performance Tuning.
13.3.10 tune_sd
The tune_sd task type is used to track the movement of the logical disks used for the volume’s
snapshot space to the specified CPG. Changing the layout of a virtual volume with the
tunevv
commands requires the 3PAR Dynamic Optimization license. For more information about
tuning virtual volumes, see 16.2 Dynamic Optimization.
For
tune_sd tasks, there are three phases:
■ Phase 1: storing away region move information for future restarts and/or rollbacks.
■ Phase 2: performing the actual region moves.
■ Phase 3: deleting the information stored in Phase 1.
The number of steps in the phase is equal to the number of regions being moved.
13.3.11 scheduled_task
The scheduled_task task type is used to track system operations initiated by the System
Scheduler commands. See Table 13-3 for a complete list of the System Scheduler commands.
See Table 13-4 for a complete list of the CLI commands that can be initiated with the System
Scheduler commands. The
scheduled_task task type has only one phase and one step.
13.3.12 snapspace_accounting
The snapspace_accounting task type tracks the progress of the snapshot space usage
accounting process and runs the updatesnapspace command. The snapshot space usage
displayed by
showvv -s is not necessarily the current usage. You have to run another
command showvv -hist to see when To display the last time
updatesnapspace was run on the
NOTE: The tune_vv task type and tunevv CLI command require the 3PAR
Dynamic Optimization license.
NOTE: Only users with super level privileges can use the canceltask CLI
command with the task type
scheduled_task.