[Ocfs-users] OCFS disk failure problem.

[Wim Coekaerts]

what are you using for shared storage ? where was your export file ?

On Sun, Jan 16, 2005 at 09:59:21AM -0800, Chris Steinke wrote:
> Hi, 
> 
> Irecently setup a Oracle 10g RAC test environment with two HP/Compaq
> DL380s and a shared disk array. The array is presented as a single 136GB
> disk. 
> 
> The systems are running RedHat AS 3.0 Update 4.
> OCFS 1.0.13-PROD1 build: 5e87201061935f464cf6541c56eb2827
> Oracle 10g 10.1.0.3.0 
> 
> I was able to get everything working, had a database created and 
> running an instance on each system. 
> 
> The problems started when I attempted to import an exported database.
> The import failed, then the OCFS filesystem seemed to have gone
> 'downhill' from there. The systems were rebooted, then the system
> refused to recognize the OCFS filesystem that was created.
> 
> I had ORACLE_HOME on a local drive (/x00) then the shared drive had the
> cluster support files (Cluster Register and Voting File) along with the
> database files were on the (/x01) shared volume. 
> 
> These are some of the errors found in the syslog, there are no other
> operating system or hardware messages, only the OCFS errors. The module
> does load and 'lsmod | grep ocfs' produces:
> 
> ocfs                  299272   0
> 
> ---- SYSLOG Messages ----
> Oracle Cluster FileSystem 1.0.13-PROD1 Tue Aug 10 11:31:03 PDT 2004
> (build 5e87201061935f464cf6541c56eb2827)
> (1158) ERROR: Invalid volume signature, Common/ocfsgenmisc.c, 820
> (1158) ERROR: Device (104,17) failed verification, Linux/ocfsmount.c,
> 233
> (1158) ERROR: Error mounting volume, Linux/ocfsmain.c, 314
> ------------------------
> 
> I had a similiar test using GFS from redhat, but that failed as soon as
> any appreciable load was put on the system. 
> 
> I was able to get farther with OCFS, but it seems that as soon as I put
> a decent sized load on it, the filesystem seemed to have failed. 
> 
> Anyone else experience this problem? Any ideas on how to recover? Or
> maybe I missed something when I set it up. 
> 
> Any help, comments, suggestions would be most appreciated. Thank you
> everyone in advance. 
> 
> 
> 
> Chris Steinke- chris.steinke at caltech.edu
> Senior UNIX systems administrator
> California Institute of Technology - Administrative Technology Center
> 
> 
> 
> 
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