Adaptec Snap Server 700i Series, User Manual

Page: 80 / 236

Backing Up Your Data with Mirrored Volumes
74 Snap Server 700i Series User’s Guide
3
Click
Yes
to fail back the mirror.
The mirror is failed back—the original volume is restored as the mirror manager.
Breaking a Mirrored Volume
You can break a mirrored volume so that data on the original volume is no longer
duplicated on the second volume.
Note
When you break a mirrored volume, you can change the duplicate volume
into a new, independent volume by mounting it to a new location.
To break a mirrored volume:
1
In the Enterprise View, select the iSCSI Storage Host you want.
2
In the Volumes View, select the mirrored volume you want.
3
In the
Actions
menu, select
Break mirror
.
The Break Mirror window opens.
4
To break the mirror without retaining the duplicate volume, skip to Step 5.
To mount the duplicate volume to a new location:
a
From the iSCSI Storage Host drop-down list, select an iSCSI Storage Host on
which to mount the volume. (Only iSCSI Storage Hosts are listed.)
b
Select a drive letter for the volume. (Only available drive letters are listed.)
Alternatively, type the full path to an existing empty directory.
5
Click
OK
.
Removing an Unavailable Mirror Plex
If a mirror plex becomes unavailable (due to a power failure or a failed disk drive,
for instance), follow the instructions in this section to permanently disassociate it
from the mirror manager.
Note
To remove an online mirror plex, see “Breaking a Mirrored Volume” on
page 74.
To remove an unavailable mirror plex:
1
In the Volumes View, select the mirrored volume.
2
In the Actions menu, select
Remove remote plex association
.
3
Click
Yes
.
The association is broken permanently, and the mirror plex can no longer be used
for storage (even if it becomes available again). To recover the storage space, delete
the underlying logical device (see page 100).