If your volumes uses a protected RAID configuration, your system can recover from the failure of a disk. When you replace the failed disk, the system rebuilds the volume using the new disk and no data from the volume is lost.
The Disk LEDs can help you identify a failed disk. For information about how to determine the status of your system, see one of the following support articles that corresponds with your ReadyNAS device:
You can also use the local admin page to setup email alerts that notify you when a disk fails. In addition, the local admin page provides information about the failed disk.
ReadyNAS supports hot-swap drive bays, so you do not need to power down your storage system when replacing a disk.
If you are replacing a disk with a previously formatted disk, see the How do I reformat a previously formatted disk on my ReadyNAS OS 6 desktop storage system?.
WARNING: Replace one disk at a time. Wait for the volume to resynchronize your data before replacing another disk. If you attempt to replace more than one disk at a time, the system will crash.
To replace a 3.5-inch hard disk drive (HDD):
1. If necessary, slide the disk tray handle locking mechanism to the unlocked position.
2. Press the disk tray release latch.
The disk tray handle pops out.
3. Pull out the disk tray.
4. Press and hold the disk tray release latch.
5. While holding the disk tray release latch, pull out the mounting bracket and slide the bracket down the tray.
You do not need to fully remove the mounting bracket from the disk tray.
6. Remove the old HDD from the mounting bracket.
7. Attach the new HDD to the mounting bracket.
Make sure that the HDD mounting holes are aligned with the bracket's mounting posts, and that the HDD connectors face the interior of the disk tray.
8. Push the mounting bracket with the hard disk drive back into the disk tray.
WARNING: To prevent damage to your system, make sure that the disk tray is correctly oriented before inserting it into the drive bay.
9. Insert the disk tray back into the drive bay of the storage system.
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For 2-bay and 4-bay systems, insert the disk tray so that the disk tray release latch is near the bottom of the system.
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For 6-bay systems, insert the disk tray so that the disk tray release latch is on the left side of the system.
10. Press down on the disk tray handle until it latches closed.
The disk tray is secured in the dive bay.
If the volume that contained the failed disk uses a protected RAID configuration, the system automatically resynchronizes the volume using the new disk. Resynchronization might take several hours, depending on the disk size. You can continue to use your storage system, although access is slower until the volume resynchronization finishes.
For more information about RAID configurations, see the ReadyNAS OS 6 Software Manual, which is available at https://support.netgear.com/product/ReadyNAS-OS6.
To replace a 2.5-inch hard disk drive (HDD) or 2.5-inch solid-state drive (SSD):
1. If necessary, slide the disk tray handle locking mechanism to the unlocked position.
2. Press the disk tray release latch.
The tray handle pops out.
3. Pull out the disk tray and replace the 2.5-inch HDD or SSD:
a. Remove the screws and the old 2.5-inch HDD or SSD.
b. Place the new 2.5-inch HDD or SSD in the disk tray.
c. Secure the HDD or SSD to the disk tray using the screws.
Make sure that the disk connectors face the interior of the disk tray.
The following figures show fully assembled disk trays with a 2.5-inch HDD or 2.5-inch SSD:
Disk tray with 2.5-inch HDD
Disk tray with 2.5-inch SSD
WARNING: To prevent damage to your system, make sure that the disk tray is correctly oriented before inserting it into the drive bay.
4. Insert the disk tray back into the drive bay of the storage system.
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For 2-bay and 4-bay systems, insert the disk tray so that the disk tray release latch is near the bottom of the system.
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For 6-bay systems, insert the disk tray so that the disk tray release latch is on the left side of the system.
5. Press down on the disk tray handle until it latches closed.
The disk tray is secured in the dive bay.
If the volume that contained the failed disk uses a protected RAID configuration, the system automatically resynchronizes the volume using the new disk. Resynchronization might take several hours, depending on the disk size. You can continue to use your storage system, although access is slower until the volume resynchronization finishes.
For more information about RAID configurations, see the ReadyNAS OS 6 Software Manual, which is available at https://support.netgear.com/product/ReadyNAS-OS6.
This article applies to the ReadyNAS 102, 104, 312, 314, 316, and 516 desktop storage systems.