On Wed, Apr 20, 2016 at 6:33 AM, Weiner, Michael <[email protected]> wrote: > I have a Dell PowerEdge R910 with a PERC 700 controller that has a virtual > drive configured as a RAID 5 with 15 disks in it. We're running CentOS 5.10 > at the moment, and I created a 15Tb ext3 filesystem on that RAID group (set > this up a few years back) that has been running fine up until yesterday. I > had the opportunity to add another PERC H810 controller along with a > PowerVault MD1200 to add more space (44Tb as XFS), but when we went to turn > the server back on, we noticed one of the disks in the RAID group had > apparently failed. I didn't think much of it at the time, as it was a RAID 5, > but when the server came up and I tried to mount it, I received the following > error: > > mount: wrong fs type, bad option, bad superblock on /dev/sdb1, > missing codepage or other error > In some cases useful info is found in syslog - try > dmesg | tail or so > > I tried to get a listing of backup superblocks by doing the following: > > [root@raos_apps01 ~]# mke2fs -b 8192 -n /dev/sdb1 > Warning: blocksize 8192 not usable on most systems. > mke2fs 1.39 (29-May-2006) > mke2fs: 8192-byte blocks too big for system (max 4096) > Proceed anyway? (y,n) y > Warning: 8192-byte blocks too big for system (max 4096), forced to continue
Why are you ignoring these warnings as if they aren't relevant? 8K block size isn't valid on x86. > > [root@raos_apps01 ~]# e2fsck -b 65528 /dev/sdb1 64K block size is not valid on x86. > any idea how I can get the FS back? I ordered another drive to replace the > failed on thinking that *might* be part of the problem, so I will have to > wait and see on that, but I SHOULD be able to mount it, but I am not able to. Chances are the block size is either 1K or 4K. That's the problem. -- Chris Murphy -- users mailing list [email protected] To unsubscribe or change subscription options: http://lists.fedoraproject.org/admin/lists/[email protected] Fedora Code of Conduct: http://fedoraproject.org/code-of-conduct Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
