RE: Oracle on SAN recommendation...

From: Hostetter, Jay M <JHostetter_at_decommunications.com>
Date: Wed, 14 Jul 2004 14:14:09 -0400
Message-ID: <D67EB7CEECD4334F9C85759227553BBC1CAAD0@CL-EXCHANGE1.dande.com>

JL,

Our Unix sysadmin always created numerous mount points, even if it was one logical volume. His argument was that you can reduce contention at the OS level be giving it several "entry points" to the file system. I wouldn't mind hearing somebody with more expertise comment on that. =20

Thanks,
Jay

-----Original Message-----

From: oracle-l-bounce_at_freelists.org
[mailto:oracle-l-bounce_at_freelists.org] On Behalf Of Jose Luis Delgado Sent: Wednesday, July 14, 2004 1:54 PM
To: oracle-l_at_freelists.org
Subject: Oracle on SAN recommendation...

List!

I would like to receive a bit of help on this: (SunOS 5.8, Oracle 8.1.7)

We have a SAN solution from EMC, they created several filesystems, one of them is named: /oradata

That filesystem, was left for Oracle data only.

Five databases were created for an external dba, ALL the datafiles, controlfiles and redolog files were placed in the same structure, i.e: /oradata/<SID>/datafiles and controlfiles and redologfiles (not yet in archive log mode).

EMC argue that, since the filesystem was created from several separate physical disks, they form a 'LOGICAL'
disk, and there shouldn't be a problem with contention (due to implicit distribution of data) or something else.

Is that ok?

Please, can you elaborate on this?

Thanks in advance!
JL

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Received on Wed Jul 14 2004 - 13:11:07 CDT