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Forum Discussion
ReadyNas 6 locked up and now array is inactive
Hello! I have a 6 bay ReadyNas running 6.10.6. System has been expanded from 6x 6TB - > 4x10TB and 2x6TB about a year ago running RAID5 +XRAID. This afternoon the box just locked up, so I reboo...
StrawDragon wrote:
System has been expanded from 6x 6TB - > 4x10TB and 2x6TB about a year ago running RAID5 +XRAID.
I ssh into the NAS and found /devt/md0, md1, md126 (27TB) and md127 (11TB)
md126 contains /dev/sd[abcdef]3
md127 contains /dev/sd[abcd]4
So that is where I am lost on how to try and resolve this. I only had one DATA volume created in the ReadyNAS gui.
How does btrfs play in here with the two volumes? I should have a single DATA volume of nearly 40TB.
You do have only one volume. But because of the expansion you have two RAID groups - which are concatenated together.
One is 6x6TB, the other is 4x4TB (filling the remaining space on the four 10 TB drives).
Raw space on the 6x6 TB group is 36 TB (32.7 TiB). Available storage - subtracting RAID redundancy - is 30 TB ( 27 TiB)
Raw space on the 4x6 TB group is 16 TB (14.5 TiB), and available storage is 12 TB (10.9 TiB).
So this part looks correct.
StrawDragon wrote:
This afternoon the box just locked up, so I rebooted it.
When logging into my NAS I saw that all drives were not inactive volumes.
Do you mean that you have inactive volume (s) on the volume tab???
Thank you.
The total usable space should be ~38TB (10TB x 4 & 6TB x 2) in RAID 5 with XRAID.
Yes it was a single volume.
StrawDragon wrote:
The total usable space should be ~38TB (10TB x 4 & 6TB x 2) in RAID 5 with XRAID.
Agreed. Which is the sum of the two RAID groups that comprise the volume - 27 + 10.9 TiB. The NAS reports space in TiB.
Once again: Do you mean that you have inactive volume (s) on the volume tab??? Your original post wasn't clear on that.
Yes, they show as red inactive drives and the gui suggests to remove them from the raid.
I did include a picture of the volume page in my last post. (see below).
How does the system uses the two defined arrays as a single? (md126 and md127) to form a single array of 38.18TB?
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