Adaptec 5325301656 Administration Guide - Page 61

Volumes, Volumes and the Snapshot Pool, Deleting Volumes

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Volumes Two RAIDs at a Time To group more than two RAIDs, create a RAID group with two RAIDs, then group the RAID group with each RAID one at a time. You can view your RAID group status from either the Storage > RAID Sets or Monitor > System Status screen. Note Only RAIDs of the same PE size can be grouped. The Web UI will notify you if you attempt to group two RAIDs with different PE sizes. Volumes Volumes are created, viewed, edited, and deleted from the Storage > Volumes screen of the Administration Tool. The default volume organizes the Snap Server's storage capacity into a single volume with a single file system. If you need separate file systems on the same server, you can delete the default volume and create two or more smaller volumes in its place. Consider the following facts and guidelines when planning your new volume configuration. Volumes and the Snapshot Pool The default disk and RAID capacity is divided between the file system (80 percent) and the space left available for future snapshot use (20 percent). You may need to adjust this figure depending on your snapshot strategy or expand the volume to all available space if you plan never to use or license snapshots. Keep in mind that you can increase or decrease snapshot pool size at any time, but volume space can only be increased. For more information, see "Estimating Snapshot Pool Requirements" on page 97. Note Snapshots should not be used on volumes that contain iSCSI disks. If a volume will contain one or more iSCSI disks, decrease the Snapshot pool size to zero. Deleting Volumes Deleting volumes may move or disable certain third party applications that are installed on the user volume space. The NetVault for GuardianOS Database Directory (NVDB), containing files that keep track of the data you back up; the antivirus software; S2Sv2 (pre-GuardianQS v4.2 installations); and Snap EDR reside on the default volume. If you delete the default volume, these components will also be deleted unless there is available space on additional volumes (e.g., on expansion arrays). Chapter 4 Storage Configuration and Expansion 47

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Volumes
Chapter 4
Storage Configuration and Expansion
47
Two RAIDs at a Time
To group more than two RAIDs, create a RAID group with two RAIDs, then group
the RAID group with each RAID one at a time.
You can view your RAID group status from either the
Storage > RAID Sets
or
Monitor > System Status
screen.
Note
Only RAIDs of the same PE size can be grouped. The Web UI will notify you
if you attempt to group two RAIDs with different PE sizes.
Volumes
Volumes are created, viewed, edited, and deleted from the
Storage > Volumes
screen
of the Administration Tool. The default volume organizes the Snap Server’s storage
capacity into a single volume with a single file system. If you need separate file
systems on the same server, you can delete the default volume and create two or
more smaller volumes in its place. Consider the following facts and guidelines
when planning your new volume configuration.
Volumes and the Snapshot Pool
The default disk and RAID capacity is divided between the file system (80 percent)
and the space left available for future snapshot use (20 percent). You may need to
adjust this figure depending on your snapshot strategy or expand the volume to all
available space if you plan never to use or license snapshots. Keep in mind that you
can increase or decrease snapshot pool size at any time, but volume space can only
be increased. For more information, see “Estimating Snapshot Pool Requirements”
on page 97.
Note
Snapshots should not be used on volumes that contain iSCSI disks. If a
volume will contain one or more iSCSI disks, decrease the Snapshot pool size to
zero.
Deleting Volumes
Deleting volumes may move or disable certain third party applications that are
installed on the user volume space.
The NetVault for GuardianOS Database Directory (NVDB), containing files that
keep track of the data you back up;
the antivirus software; S2Sv2 (pre-GuardianQS
v4.2 installations); and Snap EDR reside on the default volume. If you delete the
default volume, these components will also be deleted unless there is available
space on additional volumes (e.g., on expansion arrays).