Chapter 2: Diagnostics and Maintenance | 25
ReadyNAS 4200 Hardware Manual
Adding or Replacing Disks
Adding and replacing failed disks are similar processes.
Note: Be sure to check the Hardware Compatibility list on the NETGEAR
Support site for a list of disks that have been qualified for the
ReadyNAS 4200 to assure that you use a suitable disk.
In the case of a failed disk, the unit gives email alerts and status messages about the need to
replace the disk.
Regardless of how many hard drives are installed, all drive trays
must remain in the drive bays to maintain proper airflow.
Adding a New Disk
To add a new disk:
1. Pull the disk tray release pull switch. The tray handle pops out.
2. Pull out the disk tray, and replace the failed disk.
Make sure that the hard disk connectors face the interior of the disk bay when you
reassemble the disk.
3. Slide the disk tray back into the ReadyNAS and secure the handle.
The volume automatically synchronizes with the new disk in the background, taking
several hours depending on the disk size. The ReadyNAS can continue to be used,
although access will be slower until the volume synchronization finishes. You are notified
by e-mail when the process is complete.
Disk tray release
pull switch
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