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Forum Discussion

brettgavin's avatar
Aug 10, 2012

Volume Expansion Failed - Pro 6

Hi,

We have two 6Bay Pros. Both have 6 disks. One is being expanded to 3TB discs using Xraid-2 DR. When replacing the 6th disk, the volume expansion fails. I have rebooted the box 3-4 times and it continues to fail expanding. I have also pulled and reinserted the disk. Below are the logs.

Does anybody have an idea?

Thanks in advance!

Brett

Severity Date Message
Fri Aug 10 08:38:40 PDT 2012 System is up.
Fri Aug 10 08:33:24 PDT 2012 Volume expansion failed
Fri Aug 10 08:33:23 PDT 2012 Incompleted file system expansion detected. Resuming...
Fri Aug 10 08:32:25 PDT 2012 Rebooting device...
Fri Aug 10 08:32:25 PDT 2012 Please close this browser session and use RAIDar to reconnect to the device. System rebooting...
Fri Aug 10 07:05:42 PDT 2012 Volume expansion failed
Fri Aug 10 07:05:41 PDT 2012 Incompleted file system expansion detected. Resuming...
Fri Aug 10 07:04:39 PDT 2012 Volume expansion failed
Fri Aug 10 07:04:15 PDT 2012 Newly added drive has more space to expand the volume, will start volume expansion.
Thu Aug 9 17:31:00 PDT 2012 RAID sync finished on volume C.
Thu Aug 9 11:02:22 PDT 2012 RAID sync started on volume C.
Thu Aug 9 11:01:53 PDT 2012 Data volume will be rebuilt with disk 4.
Thu Aug 9 11:00:45 PDT 2012 New disk detected. If multiple disks have been added, they will be processed one at a time. Please do not remove any added disk(s) during this time. [Disk 4]
Thu Aug 9 10:59:19 PDT 2012 A disk was removed from the ReadyNAS. One or more RAID volumes are currently unprotected, and an additional disk failure or removal may result in data loss. Please add a replacement disk as soon as possible.
Thu Aug 9 10:59:19 PDT 2012 Disk removal detected. [Disk 4]

5 Replies

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  • mdgm-ntgr's avatar
    mdgm-ntgr
    NETGEAR Employee Retired
    What was the volume capacity when you last did a factory default? If it was e.g. 2TB you can't expand beyond 10TB as there is an 8TB limit for online expansion over the life of the volume. There is also a 16TB limit on the volume capacity (using X-RAID2 DR you wouldn't hit this limit with currently available disks).
  • Ahah! Thank you. I'll do a factory default.

    Can you please clarify for me the 8TB limit? Does it mean that we can't expand more than 8TB more than the first size of the volume, or, does it mean that the smaller size of our initial volume (3.5TB, made of smaller disks) has a limit of 8TB/10TB?

    Thanks again :)
  • mdgm-ntgr's avatar
    mdgm-ntgr
    NETGEAR Employee Retired
    The former of those.

    Be sure to make sure your backup is up to date as the factory default will wipe it. If you are running say 4.2.21 a factory default will give you a clean setup on that firmware which depending on when you last factory reset (would show in initrd.log in the logs zip file) would have some other nice benefits.
  • Great, thank you for your extensive knowledge and fast responses!

    Side question- is it on the Raidiator roadmap to change/expand/remove the 8TB expansion limitation?
  • mdgm-ntgr's avatar
    mdgm-ntgr
    NETGEAR Employee Retired
    That'd be up to those who main the Linux utilities used to update them, then for NetGear to test the updates and if satisfied that they are production ready implement them.

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