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Forum Discussion
ReadyNAS 104 w/ 6.4 firmware in X-RAID mode is not expanding after adding disks
Hi, I've read through this community and can’t find my exact problem so here it goes. I’m adding 3 2TB drives to the RN104. I had 4 drives in my RN104, from 1 thru 4 was a 1TB, 500GB, 500GB, and a 2T...
Hi knelson454,
Welcome to the community!
Can you confirm if all(4) 2TB hard drives were recognized in the volume tab as well as in the ReadyNAS logs? Also attach (steps are found here) the current device logs so we can have a further look.
Kind regards,
BrianL
NETGEAR Community Team
Looks like your other two disks are marked as spares in the expanded array.
Check the mdstat.log and look at /dev/md/data-1.
As per rn-expand.log, your reshape failed.
This line specifically is outputting the issue:
Oct 18 02:40:56 Jupiter rn-expand[2923]: output: mdadm: added /dev/sdb4;mdadm: level of /dev/md126 changed to raid5;mdadm: Need to backup 128K of critical section..;mdadm: /dev/md126: cannot create backup file /var/backups/data-1_backupfile: File exists;mdadm: aborting level change;unfreeze;mdadm: level of /dev/md126 changed to raid5;mdadm: Need to backup 128K of critical section..;mdadm: /dev/md126: cannot create backup file /var/backups/data-1_backupfile: File exists;mdadm: aborting level change;unfreeze;
I suspect if you rename /var/backups/data-1_backupfile to /var/backups/data-1_backupfile_old, and restart your RN, it will try to convert your RAID 1 to RAID 5 as part of X-RAID.
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