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Forum Discussion
ReadyNAS PRO 6 / Western Digital Red WD40EFRX
Advance note: I'm ready to be told 'it isn't in the HW Compatibility List - go away' (blush). I've got a ReadyNAS Pro 6, all bays full, with a RAID 6 Volume. After disk failures, I added (at differen...
I'd stick with raid 6.
The pro 6 isn't limited to 4 tb disks, although there are no 6 tb disks on the compatibility list (yet)
Even if you had not exceeded the limit, you would not have been successful at adding 4 new disks at the same time while preserving the volume. With raid six the maximum number of disks you could remove and replace at one time would be two, however this would not be a good idea as your volume is then not redundant and the resync could lead to a failure of 1 of the remaining disks, which would lead to loss of the volume. One disk at a time, allowing resync to complete before adding the next is the way to do it if you want to preserve the existing volume.
As we've suggested, make sure your backup is perfect, then factory default. Remember to backup the config first.
The pro 6 isn't limited to 4 tb disks, although there are no 6 tb disks on the compatibility list (yet)
Even if you had not exceeded the limit, you would not have been successful at adding 4 new disks at the same time while preserving the volume. With raid six the maximum number of disks you could remove and replace at one time would be two, however this would not be a good idea as your volume is then not redundant and the resync could lead to a failure of 1 of the remaining disks, which would lead to loss of the volume. One disk at a time, allowing resync to complete before adding the next is the way to do it if you want to preserve the existing volume.
As we've suggested, make sure your backup is perfect, then factory default. Remember to backup the config first.
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