Netgear RNRX4410 ReadyNAS 2100 User Manual - Page 37

Volume Management for Flex-RAID, Advantages of X-RAID2 and Flex-RAID, Deleting a Volume

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ReadyNAS 2100 User Manual Advantages of X-RAID2 and Flex-RAID There are advantages to both technologies. • Flex-RAID: - The default volume can be deleted and re-created, with or without snapshot reserved space. - Hot spare disk is supported. - Full volume management is available. You can create RAID level 0, 1, or 5 volumes, specify the volume size, delete a disk from a volume, assign a hot spare, and so on. - Multiple volumes are supported, each with a different RAID level, snapshot schedule and disk quota definition. - Each disk can be replaced, one by one, then rebuilt; after the last disk is replaced, another data volume using the newly added capacity can be configured. • X-RAID2: - One-volume technology, but supports volume expansion, either with the addition of more disks or the replacement of an existing disk with larger capacity disks. - You can start out with one disk, and add more disks as you need them or can afford them. - Volume management is automatic. Add a second disk, and it becomes a mirror to the first. Add a third disk and your capacity doubles; add a fourth, and your capacity triples-the expansion occurring while redundancy is maintained. - In the future, you will be able to replace disks, one at a time, have each one finish rebuilding and, after new redundant space becomes available, your volume will automatically expand to utilize the new capacity. Volume Management for Flex-RAID If you want to reconfigure the default Flex-RAID volume C, split it into multiple volumes, specify a different RAID level, or specify a larger reserved space for snapshots, you need to reconfigure your volume. The first step is to delete the existing volume you want to replace. Deleting a Volume To delete a volume, select the Volume tab of the volume you wish to delete (if there are multiple volumes) and click Delete Volume (in this case only Volume C is configured). Warning: Make sure that you back up the files you wish to keep before deleting a volume. All shares, files, and snapshots residing on that volume will be deleted and are non-recoverable! Setting Up and Managing Your ReadyNAS 2100 v1.0, May 2009 2-17

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ReadyNAS 2100 User Manual
Setting Up and Managing Your ReadyNAS 2100
2-17
v1.0, May 2009
Advantages of X-RAID2 and Flex-RAID
There are advantages to both technologies.
•
Flex-RAID:
–
The default volume can be deleted and re-created, with or without snapshot reserved
space.
–
Hot spare disk is supported.
–
Full volume management is available. You can create RAID level 0, 1, or 5 volumes,
specify the volume size, delete a disk from a volume, assign a hot spare, and so on.
–
Multiple volumes are supported, each with a different RAID level, snapshot schedule and
disk quota definition.
–
Each disk can be replaced, one by one, then rebuilt; after the last disk is replaced, another
data volume using the newly added capacity can be configured.
•
X-RAID2:
–
One-volume technology, but supports volume expansion, either with the addition of more
disks or the replacement of an existing disk with larger capacity disks.
–
You can start out with one disk, and add more disks as you need them or can afford them.
–
Volume management is automatic. Add a second disk, and it becomes a mirror to the first.
Add a third disk and your capacity doubles; add a fourth, and your capacity triples—the
expansion occurring while redundancy is maintained.
–
In the future, you will be able to replace disks, one at a time, have each one finish
rebuilding and, after new redundant space becomes available, your volume will
automatically expand to utilize the new capacity.
Volume Management for Flex-RAID
If you want to reconfigure the default Flex-RAID volume C, split it into multiple volumes, specify
a different RAID level, or specify a larger reserved space for snapshots, you need to reconfigure
your volume. The first step is to delete the existing volume you want to replace.
Deleting a Volume
To delete a volume, select the
Volume
tab of the volume you wish to delete (if there are multiple
volumes) and click
Delete Volume (
in this case only
Volume C
is configured).
Warning:
Make sure that you back up the files you wish to keep before deleting a
volume. All shares, files, and snapshots residing on that volume
will be
deleted and are non-recoverable!