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Direct NFS problem in 11g

From: Dan Norris <dannorris_at_dannorris.com>
Date: Thu, 23 Aug 2007 08:08:52 -0700 (PDT)
Message-ID: <613190.23902.qm@web35406.mail.mud.yahoo.com>


I have an unsupported environment running: CentOS 4.4 in VMWare Server 1.x (2 of these) RAC 11.1.0.6.0 (production release, not beta) OpenFiler 2.2 serving NFS (running in a 3rd VM)

These VMs are all running on the same server (it has 16Gb of RAM and plenty of CPU) and they're all running fine.

So, many have done this and it is working just fine. I'm trying to play with the Direct NFS features and I know a few of you have tried this as well.

I've created an $OH/dbs/oranfstab with:
server: openfiler1
path: 172.16.163.200
export: /mnt/danrac/of1/all1 mount: /mnt/all1

server: openfiler1
path: 172.16.163.200
export: /mnt/danrac/of2/all2 mount: /mnt/all2

and they're mounted fine:
Filesystem 1K-blocks Used Available Use% Mounted on 172.16.163.200:/mnt/danrac/of1/all1

                      10321216    256768   9540160   3% /mnt/all1
172.16.163.200:/mnt/danrac/of2/all2
                       5039616    141248   4642368   3% /mnt/all2

I also changed the libodm11.so pointer to reference the NFS library per the instructions.

I created a tablespace using this new filesystem by placing a file on /mnt/all1 and now I see this message in the alert logs of each instance: Direct NFS: mount complete dir /mnt/danrac/of1/all1 on openfiler1 path 172.16.163.200 mntport 741 nfsport 2049 Direct NFS: mount barrier to server openfiler1 failed

Have any of you seen this before or have any suggestions? Obviously, Metalink isn't quite ready to return search results for this new feature.

Dan

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Received on Thu Aug 23 2007 - 10:08:52 CDT

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