RE: FW:NFS issues

From: Thomas Fox <belvdr_at_yahoo.com>
Date: Tue, 1 Nov 2005 04:35:37 -0800 (PST)
Message-ID: <20051101123537.2967.qmail@web32410.mail.mud.yahoo.com>

Hmmm... SANs don't use NFS or any other network protocol. They look like a local disk to the systems connected to it. Could it be NAS they are using? Those require a network protocol, such as NFS or SMB.

Hemant K Chitale <hkchital_at_singnet.com.sg> wrote:

So the problems that Brian and Dick are reporting are when usingNFS over SAN ? {both say that they "used to use NetApp" and now use"SAN"} ?

I run 9iRAC (Linux) on NetApp with , obviously, the archivelogs also onthe same NetApp filer
and haven't had issues.

Hemant

At 03:06 AM Tuesday, Spears, Brian wrote: ah ha!! sounds veryfamiliar...

Actually, we did the samething..used to use Netapp and now we use SAN. We have used a couple ofSANs now ...

OOPS, my feeble memory isjogged, I actually just had a similar problem you are having...eek, just a couple weeks ago.

Ok.. the admin and I scratchedheads for 2.5hrs and then it started working again.... thought itactually was RMAN writing the backup to there (and the Rman archivelogbackup).

We never got to the bottom ofit. We were thinking of putting sniffer on the network to check forbottlenecks but the problem has not shown up since.

Brian

From: Goulet, Dick[mailto:DGoulet_at_vicr.com] Sent: Monday, October 31, 2005 12:58 PM
To: Spears, Brian; Ruth Gramolini
Cc: oracle-l_at_freelists.org
Subject: RE: FW:NFS issues

New wrinkle to add to the pile,caught me off guard too. This use to be a NFS mount to a NetAppliance system. It was moved over the weekend to a SAN mountpointon the CX500. Still NFS though.

From: Spears, Brian[mailto:BSpears_at_Limitedbrands.com] Sent: Monday, October 31, 2005 12:40 PM
To: Goulet, Dick; Ruth Gramolini
Cc: oracle-l_at_freelists.org
Subject: RE: FW:NFS issues

Network? Not sure I canhelp at this point..looks like some directed troubleshooting...

Also.. onetime I think we had aproblem... we rebooted our server from where the NFS mounts were donewhich helped.

brian

From: Goulet, Dick[mailto:DGoulet_at_vicr.com] Sent: Monday, October 31, 2005 11:48 AM
To: Spears, Brian; Ruth Gramolini
Cc: oracle-l_at_freelists.org
Subject: RE: FW:NFS issues

Brian,

Yes we canwrite files on the NFS mount, and the syslogs have nothing in them. But the DB sure is having a pile of fun with it. Alter log saysit's creating the archive log, but nothing shows up and the db justhangs.

From: Spears, Brian[mailto:BSpears_at_Limitedbrands.com] Sent: Monday, October 31, 2005 11:45 AM
To: Goulet, Dick; Ruth Gramolini
Cc: oracle-l_at_freelists.org
Subject: RE: FW: Unsubscription confirmation for 'oracle-l'

Yes we are... and noproblems.

One weapon we are findinguseful is the 10G OEM.. does server parameter comparisons...ie..did theghost admin change something..? Even when we catch them.. it slides likewater off the ducks back cause they are on the top of the food chain.Always.. I remember there are some settings to make sure NFS canaccommodate issue (forget the details now.. something about async). Iwould do some testing..can you copy files there, write there ...have theAdmin check the syslog and so on..

Brian

Hemant K Chitale
http://web.singnet.com.sg/~hkchital

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http://www.freelists.org/webpage/oracle-l Received on Tue Nov 01 2005 - 06:37:43 CST