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359Administering volume snapshots
Adding a version 0 DCO and DCO volume
This form of the command dissociates the DCO object from the volume but does
not destroy it or the DCO volume. If the
-o rm option is specified, the DCO object,
DCO volume and its plexes, and any snap objects are also removed.
Note: Dissociating a DCO and DCO volume disables Persistent FastResync on the
volume. A full resynchronization of any remaining snapshots is required when
they are snapped back.
For more information, see the
vxassist(1M) and vxdco(1M) manual pages.
Reattaching a version 0 DCO and DCO volume
Note: The operations in this section relate to version 0 DCO volumes. They are
not supported for version 20 DCO volume layout that was introduced in VxVM
4.0.
If the DCO object and DCO volume are not removed by specifying the
-o rm
option to
vxdco, they can be reattached to the parent volume using the following
command:
# vxdco [-g diskgroup] att volume dco_obj
For example, to reattach the DCO object, myvol_dco, to the volume, myvol, use
the following command:
# vxdco -g mydg att myvol myvol_dco
For more information, see the vxdco(1M) manual page.