Volumes - Overland Storage SnapServer Administrator's Manual

SnapServer 7.0 Administrator's Guide
fail. With dual parity, if two disk drives fail, a warning is issued and the system reverts to
a degraded mode with no protection, so that a third drive failure will cause the system to
fail.
Parity Requirements
Single parity requires at least two disk drives. The second disk drive in the series (with the
larger slot number) must be equal or greater in size than the first disk drive.
Dual parity requires a minimum of four disk drives. The second through fourth disk drives
in the series (with the larger slot numbers) must be equal or greater in size than the first
disk drive.

Volumes

GuardianOS supports multiple volumes in a storage pool. During the initial creation of your
DynamicRAID storage pool, an initial volume was also created. To view that volume (and
create other volumes if needed), navigate to Storage > Volumes . To access the Properties
page for a volume, click the volume name.
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