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Re: dbca hangs - Oracle 10gR2 RAC, Solaris 10, NetApp NFS

From: DA Morgan <damorgan_at_psoug.org>
Date: Thu, 22 Nov 2007 00:30:37 -0800
Message-ID: <1195720230.663494@bubbleator.drizzle.com>


Yonah Russ wrote:

> On Nov 21, 11:10 pm, DA Morgan <damor..._at_psoug.org> wrote:

>> Yonah Russ wrote:
>>> Hi,
>>> We have RAC installed on 2 T2000 machines.
>>> Solaris 10, patched
>>> IPMP for failover on all interfaces
>>> NetApp NFS for datafile,voting disk, etc.
>>> Oracle installation, binaries, etc. are on local disks.
>>> All configurations were according to Oracle/NetApp docs.
>>> There were no issues during installation.
>>> When we try to create the db using dbca, the process hangs during data
>>> dictionary creation.
>>> There is only one error message "Warning: aiowait timed out x times"
>>> All the NFS partitions are mounted forcedirectio, and we have tried
>>> with aio disabled in oracle.
>>> We have also tried without forcedirectio, with nointr instead of intr.
>>> If we create a db on the local disks there is no issue.
>>> There are no problems using the NFS shares in general.
>>> Any ideas?
>>> Thanks
>>> Yonah
>> If your fstab looks substantively different from this ... change it.
>> ntap270a:/vol/alpha /u01 nfs
>> rw,bg,intr,hard,rsize=32768,wsize=32768,noac,nolock,tcp,vers=3 0 0
>>
>> in this case ntap270a is the volume being mounted as /u01.
> 
> The only difference I see is the nolock option.
> We are using this:
> rw,bg,vers=3,proto=tcp,hard,intr,rsize=32768,wsize=32768,forcedirectio,noac
> 
> Thanks,
> Yonah
> 
> 

>> --
>> Daniel A. Morgan
>> Oracle Ace Director & Instructor
>> University of Washington
>> damor..._at_x.washington.edu (replace x with u to respond)
>> Puget Sound Oracle Users Groupwww.psoug.org

You mean other than "forcedirectio" which is what is causing your problem. Remove it.

-- 
Daniel A. Morgan
Oracle Ace Director & Instructor
University of Washington
damorgan_at_x.washington.edu (replace x with u to respond)
Puget Sound Oracle Users Group
www.psoug.org
Received on Thu Nov 22 2007 - 02:30:37 CST

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