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Re: [suse-oracle] Shutting down one instance shuts down the whole
RAC database.

Shreehari Desikan

2005-09-15

Replies:
thanks a ton for this piece of info.
it worked finally. I really appreciate this.

hey, btw , what made you say that the stack is Unbreakable :-)
Can't understand it, though.

thanks
Shree.

Kevin Closson wrote:

>
>applying that patch is only half of it. Have
>you set filesystemio_options=directIO
>on both instances ?
>
>BTW, it looks like your whole stack is Unbreakable :-)
>
>I think you should ask Oracle if OCMS on 9.2.0.6
>does Direct IO. Probably doesn't. I know for a fact
>that it doesn't in 10.1.0.4...strace proves that:
>
>
>[pid 6155] open("/u02/crsdata/ocr10g.dbf",
>O_RDONLY|O_SYNC|O_LARGEFILE) = 10 [pid 6155]
>open("/u02/crsdata/ocr10g.dbf",
>O_RDONLY|O_SYNC|O_LARGEFILE) = 10 [pid 6155]
>open("/u02/crsdata/ocr10g.dbf",
>O_RDONLY|O_SYNC|O_LARGEFILE) = 10 [pid 6155]
>open("/u02/crsdata/ocr10g.dbf",
>O_RDONLY|O_SYNC|O_LARGEFILE) = 10 [pid 6167]
>O_RDONLY|O_SYNC|O_LARGEFILE) = 17 [pid 6169]
>.
>.
>.
>[pid 6155] open("/u02/crsdata/ocr10g.dbf",
>O_RDONLY|O_SYNC|O_LARGEFILE) = 10 [pid 6155] read(10,
>"ocrconfig_loc=/u02/crsdata/ocr10"...,
>    
>I'm flippant about the fact that Oracle clusterware
>doesn't do O_DIRECT opens on NAS, because I don't
>care. If you use PolyServe-based NAS (such as the
>HP EFS Clustered Gateway), Oracle clusterware
>gets O_DIRECT whether it wants it or not it does
>an O_DIRECT open(2) call. It is a mount option
>in our NAS offering.
>
>
>
>
>
>
>
>
>
>[pid 6155] open("/u02/crsdata/ocr10g.dbf",O_RDONLY|O_SYNC|O_LARGEFILE)
>= 10 [pid 6155]
>
>
>
>
>
>
>
>>>>-----Original Message-----
>>>>From: Bennett Leve [mailto:bennett.leve@(protected)]
>>>>Sent: Friday, September 15, 2006 2:42 PM
>>>>To: Shreehari Desikan
>>>>Cc: suse-oracle@(protected)
>>>>Subject: Re: [suse-oracle] Shutting down one instance shuts
>>>>down the whole RAC database.
>>>>
>>>>Shreehari,
>>>>
>>>>What are your NFS mount options on the servers? This
>>>>typically is caused by stale read.
>>>>
>>>>-Bennett
>>>>
>>>>Shreehari Desikan wrote:
>>>>
>>>>    
>>>>
>>>>>Hi All
>>>>>I am running SLES 9 SP2 Linux on a 2 node RAC cluster
>>>>>      
>>>>>
>>>>configuration,
>>>>    
>>>>
>>>>>with NFS mounted Netapp filer and Oracle 9.2.0.6 RAC and 9.2.0.6
>>>>>Cluster Manager The problem is when I shut down the
>>>>>      
>>>>>
>>>>instance on any
>>>>    
>>>>
>>>>>one of the nodes, the entire database comes to a halt. The
>>>>>      
>>>>>
>>>>node that I
>>>>    
>>>>
>>>>>was expecting to be running has the following messgaes in the
>>>>>Alert_sid.log file
>>>>>
>>>>>Errors in file
>>>>>      
>>>>>
>>>>/var/opt/oracle/admin/.../bdump/gmdb2_smon_18637.trc:
>>>>    
>>>>
>>>>>ORA-00600: internal error code, arguments: [kclchkblk_3], [0],
>>>>>[733768], [14], [], [], [], [] Fatal internal error happened while
>>>>>SMON was doing instance transaction recovery.
>>>>>Thu Sep 15 01:17:38 2005
>>>>>Errors in file
>>>>>      
>>>>>
>>>>/var/opt/oracle/admin/.../bdump/gmdb2_smon_18637.trc:
>>>>    
>>>>
>>>>>ORA-00600: internal error code, arguments: [kclchkblk_3], [0],
>>>>>[733768], [14], [], [], [], []
>>>>>SMON: terminating instance due to error 600 Thu Sep 15
>>>>>      
>>>>>
>>>>01:17:38 2005
>>>>    
>>>>
>>>>>Trace dumping is performing id=[cdmp_20050915011738] Thu Sep 15
>>>>>01:17:38 2005 Dump system state for local instance only Thu Sep 15
>>>>>01:17:38 2005 Trace dumping is performing
>>>>>      
>>>>>
>>>>id=[cdmp_20050915011738] Thu
>>>>    
>>>>
>>>>>Sep 15 01:17:43 2005 Instance terminated by SMON, pid = 18637
>>>>>
>>>>>Oracle support suggested a patch "" 2448994 "DIRECT IO
>>>>>      
>>>>>
>>>>SUPPORT OVER
>>>>    
>>>>
>>>>>NFS". ""...however that still did not fix the issue.
>>>>>
>>>>>Has anyone come across this situation and fixed it?? Any help is
>>>>>definitely much appreciated.
>>>>>
>>>>>
>>>>>Regards,
>>>>>Shree.
>>>>>
>>>>>      
>>>>>
>>>>--
>>>>To unsubscribe, email: suse-oracle-unsubscribe@(protected)
>>>>additional commands, email: suse-oracle-help@(protected)
>>>>see http://www.suse.com/oracle/ before posting
>>>>
>>>>
>>>>    
>>>>
>
>
>


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