[Ocfs2-users] OCFS2 for shared Oracle home

[Sunil Mushran]

Which version of the fs and tools are you running?

Roeschley, Dale wrote:
>
> I am new to this list so I hope this is the correct list to post this 
> question.
>
>  
>
> We are using OCFS2 for our shared Oracle home for CRS, ASM, and 2 
> database homes and the agent home.  However, this shared filesystem 
> locked up on us on Friday.  The linux ls command would hang sometimes; 
> CRS began evicting nodes.  We had to stop everything, reboot the nodes 
> with the OCFS2 mount point commented out, run fsck.ocfs2 in repair 
> mode which found a bunch of stuff and repaired it.  When we ran 
> fsck.ocfs2 while the filesystem was mounted, it came up with 3 Inode 
> messages.  When we ran it without the filesystem mounted, it came up 
> with a number of Inode  zero length directory messages, many, many 
> global cluster bitmap messages, and then a few Inode orphan directory 
> messages.  When we ran it a second time, it came up with 2 Inode link 
> count messages.  The third time we ran it, it same up clean.
>
>  
>
> My questions are:
>
> 1)       Is OCFS2 stable enough to support shared homes for all the 
> Oracle homes?
>
> 2)       Is there any way to find out if an OCFS2 mount point is 
> having a problem before it gets to a critical point?
>
> 3)       Would moving all the db dump directories to local mount point 
> alleviate any of the issues with OCFS2?  The reason I ask this is 
> because of all the trace files and cdmp junk that Oracle creates, in 
> addition everything CRS is logging.
>
>  
>
> Thanks in advance for any suggestions or comments.
>
>  
>
>  
>
> Dale Roeschley
>
> Lead Database Administrator
>
> Chicago Stock Exchange, Inc.
>
> 312-663-2328
>
>  
>
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