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NETGEAR ReadyNAS User Guide
1-28 Configuring Your ReadyNAS
v1.0, October 2007
When you receive a completion notification for the fourth disk, reboot the ReadyNAS. During
reboot, volume capacity is expanded with the additional capacity from each disk. For instance, if
you replaced four 250GB disks with four 600GB disks, the capacity of the volume increases by
approximately 350GB x 3 (the fourth disk is reserved for parity). The expansion process takes
several hours depending on the expanded capacity, and you will be notified by e-mail when the
process is complete. There is no access to the ReadyNAS during this time.
Changing between X-RAID and Flex-RAID Modes
You can switch between X-RAID and Flex-X-RAID modes. The process involves setting the
ReadyNAS to the factory default and using RAIDar to configure the volume during a 10-minute
delay window during boot. See Chapter 3, “Resetting Your System (System Switch) for more
information.
Snapshots
The Volume screen allows you to schedule and take snapshots. You can visualize a snapshot as a
frozen image of a volume at the time you take the snapshot. Snapshots are typically used for
backups, during which time the original volume can continue to operate normally. As primary
storage becomes larger, offline backups tend to become increasingly difficult as backup time
increases beyond offline hours. Snapshots allow backups to occur without the need to take your
systems offline.
Snapshots also can be used as temporary backups. For example, if a file on the NAS device
becomes infected with a virus, the uninfected file can be restored from a prior snapshot taken
before the attack.
Taking and Scheduling Snapshots
To take or schedule a snapshot:
1. Click the Snapshot tab The Snapshot screen will display.
You can specify how often a snapshot should be taken. Snapshots can be scheduled in intervals
from once every 4 hours to once a week.
2. Specify the frequency and the days that you wish to schedule a snapshot:
Note: If you do not see a Snapshot tab within your volume tab, you did not reserve any
space for snapshots when you added the volume. The ReadyNAS ships with a
snapshot reserved space of 5 GB.