startfcconsistgrp

The startfcconsistgrp command starts a FlashCopy® consistency group of mappings. This command makes a point-in-time copy of the source VDisks at the moment that the command is started.

Syntax


>>- svctask -- -- startfcconsistgrp -- --+---------+-- --------->
                                         '- -prep -'      

>--+------------+-- --+- fc_consist_group_id ---+--------------><
   '- -restore -'     '- fc_consist_group_name -'

Parameters

-prep: (Optional) Specifies that the designated FlashCopy consistency group be prepared prior to starting the FlashCopy consistency group. A FlashCopy consistency group must be prepared before it can be started. When you use this parameter, the system automatically issues the prestartfcconsistgrp command for the group that you specify.
-restore: (Optional) Specifies the restore flag. When combined with the prep option, this forces the consistency group to be prepared even if the target VDisk of one of the mappings in the consistency group is being used as a source VDisk in another active mapping. An active mapping is in the copying, suspended, or stopping state.
fc_consist_group_id | fc_consist_group_name: (Required) Specifies the ID or name of the consistency group mapping to start.

Description

This command starts a consistency group, which results in a point-in-time copy of the source VDisks of all mappings in the consistency group. You can combine the restore parameter with the prep parameter to force the consistency group to be prepared prior to starting, even if the target VDisk of one or more mappings in the consistency group is being used as a source VDisk of another active mapping. In this case, the mapping is restoring as shown in the svcinfo lsfcmap view. If the restore parameter is specified when starting a consistency group where none of the target VDisks are the source VDisk of another active mapping, then the parameter is ignored.

If a consistency group is started and the target VDisk of the mapping being started has up to four other incremental FlashCopy mappings using the target, the incremental recording is left on. If there are more than four other incremental FlashCopy mappings using the target VDisk, the incremental recording for all of these mappings is turned off until they are restarted.

Note: The startfcconsistgrp command can take some time to process particularly if you have specified the prep parameter. If you use the prep parameter, you give additional processing control to the system because the system must prepare the mapping before the mapping is started. If the prepare process takes too long, the system completes the prepare but does not start the consistency group. In this case, error message CMMVC6209E displays. To control the processing times of the prestartfcconsistgrp and startfcconsistgrp commands independently of each other, do not use the prep parameter. Instead, first issue the prestartfcconsistgrp command, and then to start the copy, issue the startfcconsistgrp command.

An invocation example

svctask startfcconsistgrp -prep 2

The resulting output

No feedback