Seagate NAS OS 4 Manuel D'utilisation page 108

Choose Manage on the volume page to:
Add hard drives to the volume.
Add a spare hard drive to the volume.
Repair the volume.
Expand the volume's storage capacity.
Change the encryption settings (if applicable).
Upgrade the volume from single-disk security to double-disk security.
Format the volume (delete all data without deleting the volume).
Delete the volume (permanently remove the volume and all of its data).
Capacity
A quick reference of the volume's:
Total storage capacity.
Available storage capacity.
An i tooltip appears in the capacity row following the creation of an iSCSI target. Pass the cursor over the
tooltip to view the amount of storage assigned to the volume's iSCSI target.
Status
Status gives you immediate feedback on the health of the volume's RAID configuration:
OK. The RAID is operational and no problems have been detected.
No data protection. Data is intact but one or more hard drives are missing or reporting errors. The
amount of hard drives that can fail before this message appears is contingent upon the level of RAID.
Protected if one disk fails. RAID configurations with double-disk security will see this message if a single
hard drive is missing or reporting errors.
Broken. The RAID is broken resulting in a loss of data.
Synchronizing. The system is synchronizing data across all the hard drives in the volume.
The volume is available for use while the RAID is synchronizing but NAS performance may be
affected.
RAID data protection will be available once synchronizing is complete.
Choose the tooltip next to Synchronizing for details on its progress.
Mode
Mode lists the volume's RAID level. Pass the cursor over the tooltip for details on the RAID's level of data
protection.
Storage graph
A multicolor circle shows how the RAID distributes the volume's storage.
Dark blue: Storage capacity for your data.
Light blue: Protection in case one or two hard drives fail. The light blue indicator will vary in size
depending upon single or double disk protection.
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