15-6 Dell PowerVault 720N, 740N, and 760N System Administrator and Command Reference Guide
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If the copying takes place between two filers, you can enter the command on either
the source or destination filer. You cannot, however, enter the command on a third
filer that does not contain the source or destination volume.
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Table 15-3 shows several examples of the vol copy start command.
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The vol copy start command generates volume copy operations and produces
screen messages showing the progress of the operations.

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Each vol copy start command generates two volume copy operations, as
described in the following list:
One operation is for reading data from the source volume. Screen messages dis-
played by a vol copy command refer to this operation as the
volcopy dump operation.
One operation is for writing data to the destination volume. Screen messages
displayed by a vol copy command refer to this operation as the
volcopy restore operation.
The filer assigns a volume copy operation number to each operation.

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Copy all snapshots from the
vol0 volume to the vol1 vol-
ume on the same filer
vol copy start -S vol0 vol1
Copy a nightly snapshot
from the vol0 volume to the
vol1 volume on the same
filer
vol copy start -s nightly.1 vol0 vol1
Create a snapshot in the
vol0 volume to be copied to
the vol1 volume on the
same filer
vol copy start vol0 vol1
Copy all snapshots from the
vol0 volume to the vol1 vol-
ume on a different filer
named filerA
vol copy start -S vol0 filerA:vol1