[WBEL-users] Server hard disk failure
craigwhite at azapple.com
Wed Mar 30 15:53:23 CST 2005
On Wed, 2005-03-30 at 22:40 +0100, Francies Moore wrote:
> Hi everyone
> One of my WBEL servers has crashed due to the failure of one of its hard
> disks. My hardware support technician (a recent Linux convert) says it
> could be a filesystem failure. Is such a thing possible on a machine
> which was doing nothing over Easter? I thought Linux was more stable
> than "that other system" in this regard.
> Whatever happened to it, it cannot reboot as the ext3 journal cannot get
> its head around the situation.
> How do I recover what is left on the surviving hard disk (which contains
> the operating system and some user files)? Do I revert to ext2 by
> deleting the journal and changing the fstab? If so, where do I find the
> journal file, and what is it called?
> Can I go back to ext3 when a new HD is fitted?
try booting - when it fails, enter the root passwd (if asked for)
and then try...
e2fsck -fy /dev/hdXY
where X is the drive letter
- a=primary, master
- b=primary, slave
- c=secondary, master
- d=secondary, slave
- (more drives? - et al)
where Y is the partition involved...
if it boots, then /boot is OK which is generally (but not
so repair partitions 2-9 - don't be alarmed if you get errors about not
locating 'superblock' at this point. That may not be a valid partition.
Generally partition 4 is extended partition and not a partition at all
but partitions 5-9 would likely be located inside partition 4
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