QNAP TES-1885U-D1531-32G - RAID Recovery - Hot-Swap Hard Drives

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4. To verify that the hard drive has been correctly installed and recognized by the
operating system, log into QES/QTS as administrator and go to “Storage Manager” >
“Storage” > “Disks” or “Disks/VJOB” and confirm the disk is in the System Component or
NAS Host section.
6.3 RAID Recovery - Hot-Swap Hard Drives
The TES-x85U series supports hot-swapping hard drives. When one drive fails in RAID 1/5,
up to two drives fail in RAID 6/RAID 10*/Triple Mirror**, or up to three drives fail in
RAID-TP**, replacing failed drives with a healthy ones will automatically trigger QES/QTS
to rebuild the RAID. Follow the steps below to hot-swap hard drives when drive failures
occur in a RAID configuration. See section 6.2 for detailed instructions on how to install a
new drive.
* One drive each in the RAID 1 pair
** QES only
Follow instructions below for hot-swapping:
1. Log into QES/QTS as administrator and check the storage pool status in “Storage
Manager” > “Storage” > “Storage Space”. There will be a list of all available storage
pools.
2. If one drive fails in RAID 1/5, up to two drives fail in RAID 6/RAID 10*/Triple Mirror**,
or up to three drives fail in RAID-TP**, the storage pool status will be labeled as
“Degraded” and the Volume/RAID group status should be labeled as “Warning”.
3. Go to “Storage Manager” > “Storage” > “Disks” or “Disks/VJBOD” to determine which
disk needs to be replaced.
4. Take out bad drive from NAS enclosure and remove hard drive from tray.
5. Install replacement hard drive onto tray.
Note: the capacity of the new drive must be equal to or greater than the capacity of the old
drive.