Replacing Disk Drives - Overland Storage SnapServer Administrator's Manual

SnapServer/GuardianOS 7.5 Administrator's Guide
• Hover the mouse over a RAID set name of one of the drives to display the RAID level
next to all the disks within the RAID set (Traditional RAID only).
• Click a RAID set name to view or edit the RAID set (Traditional RAID only).
If expansion arrays are attached to your server, they will also be displayed on this page.
NOTE: If GuardianOS detects an expansion unit that is not integrated with the SnapServer, a

Replacing Disk Drives

Should a disk drive fail, usually it can be replaced without shutting down the SnapServer
appliance (hot-swapped).
A failed disk drive can be removed and replaced anytime if two or more disks are installed in
the SnapServer. However, only one disk at a time can be replaced. While dual parity allows
two disks to be swapped out simultaneously, they will only be incorporated one at a time.
The following procedures assume that you are installing a new, Overland-approved disk drive
as a replacement for a failed drive.
NOTE: Failed drives cannot be added back in to a RAID set.
10400541-001
message displays across the top of the administration pages with a link to information about
the orphaned expansion unit. Also, the orphaned expansion unit will be highlighted on the
page.
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