RHEL4 - Boot hangs

[Sanjay Chakraborty]

Go to rescue mode and run file system check (fsck by unmounting that
partition first). Some driver might have override something. Can also run
hdparm also. Update the firemware might help.

On Tue, May 20, 2008 at 1:27 AM, Davis, Jared S. <DavisJar at missouri.edu>
wrote:

> I'm having trouble booting our web server running RHEL4.  I just recently
> updated to the 2.6.9-67.0.7 kernel.  We rebooted the machine to do some
> backup maintenance, and now it hangs at starting 'udev'.  I also get the
> following message before that (after the booting to kernel message):
>
> sda: asking for cache data failed
> sda: assuming drive cache: write through
> sdb: asking for cache data failed
> sdb: assuming drive cache: write through
>
> I'm not sure if this has anything to do with the problem or not.  We have a
> RAID set up with 2 LVs.  I also tried booting to a previous version via grub
> with no luck.  Any ideas?
>
> Thanks,
>
> jared davis.
>
>
>
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-- 
Regards.
Sanjay Chakraborty