[Beowulf] Cluster doesn't like being moved
landman at scalableinformatics.com
Tue Mar 10 17:06:39 EDT 2009
Steve Herborn wrote:
> This time It appears that the file system & configuration databases
> became corrupted after moving the equipment. Several services aren't
> starting up (LADP, DHCP, PBS to name a few) and YAST2 hangs any time an
> attempt is made to use it. For example adding a printer or software
> package. My co-worker feels the issue maybe related to the ReiserFS file
> system with AMD processors. The ReiserFS file system was the default
> presented when I initially installed SLES so I went with it.
Ouch. Can you boot an OpenSuSE disk in rescue mode and fsck the file
I have had two (severe) data losses in my work on Linux, one was with
ext2, and the other with Reiserfs. Wouldn't recommend using either one
in a production mode for data that needed long term viability.
> Do you know of any issues with using the ReiserFS file system on AMD
> based systems or have any other ideas what I maybe facing?
Yes, reiserfs may have been silently accumulating errors that only
became apparent upon restart. Or its fsck munged the file system.
If you can move off of it, I would urge you to do that. It is likely
that the configuration data that your non-starting services depend upon
are lost. Can you rebuild this (or pay someone to do so) without too
Joseph Landman, Ph.D
Founder and CEO
Scalable Informatics LLC,
email: landman at scalableinformatics.com
web : http://www.scalableinformatics.com
phone: +1 734 786 8423
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