Follow allmanpc on Twitter View Mark Allman, PMP, CSM's profile on LinkedIn On Thu, 2012-07-05 at 14:30 -0400, Jim wrote: > On 07/05/2012 02:13 PM, Mark C. Allman wrote: > > On Thu, 2012-07-05 at 13:47 -0400, Jim wrote: > >> On 07/05/2012 01:23 PM, Mateusz Marzantowicz wrote: > >>> On 05.07.2012 19:15, Jim wrote: > >>>> Fedora 17 > >>>> > >>>> the sda2 /home is corruoted and it changed /home partitiion to UNKNOWN > >>>> and it won't let me change the label back to /home > >>>> > >>>> I have tried to use fedora and Gparted with no luck. > >>>> > >>>> There are some important data files I must save off of sda2 > >>>> > >>>> > >>> 1. What is the type of that file system? > >> ext4 > >>> 2. Can you paste error messages related to this partition? > >> No , Gparted can not mount it either > >>> 3. What happens after system reboot? Does it mount or not? > >> No , only / is mounted > >>> > >>> Mateusz Marzantowicz > >> > > So when the system reboots you see a /dev/sda2 device, correct? > > > > When you type "mount /dev/sda2 /somewhere" (where "somewhere" is some > > existing, handy mount point) you get an error message saying that the > > file system isn't recognized or can't be determined? > > > > If you type "mount -t ext4 /dev/sda2 /somewhere" you get an error > > message, e.g., "not an ext4 filesystem?" > > > > What I would try next is running "e2fsck -n /dev/sda2" and see what that > > says. The "-n" to insure nothing is written to the disk (just in case). > > Try it and post the results to the list here. The partition superblock > > may be corrupted and I have no idea what e2fsck will try to do if that's > > the case. It may just give up without looking at the backup superblock. > > > # e2fsck -n /dev/sda2 > e2fsck 1.42 (29-Nov-2011) > e2fsck: Superblock invalid, trying backup blocks... > Superblock has an invalid journal (inode 8). > Clear? no > > e2fsck: Illegal inode number while checking ext3 journal for /home > > /home: ********** WARNING: Filesystem still has errors ********** > > Before you do anything else I would definitely make the backup copy of the partition as suggested earlier in another post using "dd." At this point I defer to the disk partition wizards on the list. I have no idea what would happen if you were to remove the "-n" switch and tell e2fsck to clear the journal. If I read the output from e2fsck right it looks like a backup superblock was found (which is good, I'd think). -- Mark C. Allman, PMP, CSM Founder, See How You Ski Allman Professional Consulting, Inc., www.allmanpc.com 617-947-4263, Twitter: @allmanpc -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines Have a question? Ask away: http://ask.fedoraproject.org
