System Recovery

[Jarod Wilson]

On Tue, 2008-07-15 at 10:34 -0400, Mark Greene wrote:
> I'd start by booting it off of the system CD, run fsck on /var and see
> how much of it is still intact.  Then check the system logs for hard
> drive and PCI errors.  

i.e., insert Scientific Linux 5.2, CD1 (or DVD), and boot it like so:

boot: linux rescue

Does certainly sound like you've got a dedicated /var, and its been
corrupted.

Alternatively, you should also be able to boot into single-user mode and
perform repairs from there.


> On Tue, Jul 15, 2008 at 10:18 AM, Labitt, Bruce
> <labittb1 at tycoelectronics.com> wrote:
>         What tools are available for recovery of a linux system?  I
>         have no idea
>         what happened - but my system took a dump.  SciLinux5.2
>         (RHEL5.2).  I
>         make it through the text mode then go into the x detail mode.
>          I get a
>         lot of daemons failing and the odd lines that say stuff like:
>         
>         touch cannot touch /var/lock/subsys : Not a directory
>         
>         can't create /var/run/dhclient-eth1.pid: Not a directory
>         
>         touch cannot touch 'var/lock/subsys/netplugd': Not a directory
>         
>         
>         Then the line "Starting system logger:"  which takes minutes
>         to complete
>         - lots of failed module loads follow then I'm dumped out of X
>         mode and
>         get a text display which states
>         
>         "Server Authorization directory (daemon/ServAuthDir) is set
>         to /var/gdm
>         but this does not exist.  Please correct GDM configuration and
>         restart
>         GDM."
>         
>         
>         This all happened when I started a K3b format of a DVD+RW disk
>         - if it
>         matters...  The system rebooted on me and I have been hosed
>         ever since.
>         I guess the first thing to do is to get what ever data off it
>         that I can
>         first...  I didn't think an application could cause this kind
>         of carnage
>         in linux...
>         
>         Is Knoppix live ok for this?  Something better?
>         
>         Bruce
>         
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> 
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-- 
Jarod Wilson
jarod at wilsonet.com