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5. Check Enable periodic consistency check to enable a monthly parity or mirror consistency
check. The check helps to prevent a single drive failure from becoming a two-drive failure,
resulting in data loss. The check runs for several hours and can affect performance of the px4-
300r. If you do not want to run the check, uncheck this option.
6. Check Use available drives as hot spares to allow unused drives to become part of a RAID-
protected storage pool. If a drive in a Storage Pool fails, all the data on that drive can be mirrored
to the hot spare drive.
7. Click Apply to save your changes.
The Drive Management page displays a table that provides the following information about existing
Storage Pools.
● Name — The name of the Storage Pool.
● Protection — The type of protection assigned to the Storage Pool.
● Capacity — The total amount of storage in the Storage Pool.
● Allocated/Available — Allocated is the space allocated to share volumes and iSCSI volumes.
Available is the difference between capacity and used.
Drive Status
An image on the Drive Management page provides information on the drive status of your px4-300r. The
image displays the physical layout of drives and the drive slot numbers. If a drive has a circled letter, it is a
member of a Storage Pool. If you hover your mouse over a drive in the image, the ToolTip displays the
drive model, size, and status, including if the drive is failing.
If you hover your mouse on either a Storage Pool name in the table or on a drive in the Storage Pool image,
all drives in the Storage Pool are highlighted.
Drive Management
Managing Drives 59