A.6.4 acsnap start (SnapOPC+ copy start command) [Windows version only]

NAME

acsnap start - Start of SnapOPC+

SYNOPSIS

acsnap start -g COPY-GROUP [-p PAIR | -v VOLUME-NAME] [-r][-xml]
acsnap start -estimate -v VOLUME-NAME [-xml]

DESCRIPTION

The SnapOPC+ is executed onto a specified copy group or copy pair.
It is also possible to start to estimate the number of updated blocks generated for the copy source volume.

If the -p option is not specified, a copy destination is automatically selected and SnapOPC+ is started.If all copy destination volumes are generation-managed, the oldest snap generation is cancelled and selected as a copy destination.

If the -p option is specified, SnapOPC+ is started onto a specified copy destination.If a past snap generation (excluding the oldest snap generation) is specified as a copy destination, this command ends abnormally.

This command is only supported in Windows version.

OPTIONS

-g COPY-GROUP: This option specifies the copy group name.

-p PAIR: This option specifies a copy pair.

-r: This option performs a copy in the reverse direction to the direction that has been specified.
The latest snap generation is selected as a copy source when the copy pair is not specified.

-v VOLUME-NAME

Specify a copy-source logical volume. The copy destination is selected automatically.
When starting to estimate the amount of snap data volume updates, specify a copy-source logical volume.

The following is an example of a format to specify a logical volume.

(1) ETERNUS name
(2) Logical volume number

-estimate: This option starts the estimation of amount of snap data volume updates.

-xml: This option specifies when displaying the result of the command execution by the XML format.
This option is only supported in Windows version.

EXIT STATUS

=0 : Completed successfully
>0 : Terminated abnormally

EXAMPLES

Start the SnapOPC+

> acsnap start -g group01

E4000/0x1:E4000/0x6
# DATE : 2008/06/24 16:28:00 - << SnapOPCP Started >>

E4000/0x2:E4000/0x7
# DATE : 2008/06/24 16:28:00 - << SnapOPCP Started >>

E4000/0x3:E4000/0x8
# DATE : 2008/06/24 16:28:00 - << SnapOPCP Started >>

  Succeeded : 3
  Failed    : 0

Start the estimation of the amount of snap data volume updates.
```
> acsnap start -estimate -v E4000/0x1
Successful completion
```

NOTES

This command is not available for ETERNUS disk storage systems registered as a remote device.