RE: RAC -- RAW Device Multipath (Shared Storage)
- From: <rama.ari@xxxxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Mon, 17 Sep 2007 16:06:44 -0500
Fyi
Patch # 4679769 fixed our problem.
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of
rama.ari@xxxxxxxxxxxxx
Sent: Thursday, August 30, 2007 11:04 AM
To: ag@xxxxxxxxxxxx
Cc: oracle-l@xxxxxxxxxxxxx
Subject: RE: RAC -- RAW Device Multipath (Shared Storage)
Alex,
Thanks for your prompt reply. Oracle suggested applying patch 4679769 as
per Note # 343092.1
Thanks,
Rama
-----Original Message-----
From: gorbyx@xxxxxxxxx [mailto:gorbyx@xxxxxxxxx] On Behalf Of Alex
Gorbachev
Sent: Wednesday, August 29, 2007 9:05 PM
To: Ari, Rama
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: RAC -- RAW Device Multipath (Shared Storage)
Known problem. ML Note 358617.1.
------------------------------
Cluvfy currently does not work with devices other than scsi devices.
So devices like emc powerpath, volume groups etc will fail when
checked using cluvfy for shared accessibility.
------------------------------
I usually check it manually - dd to it on one node and dd from it on
another and check that mapping is the same.
On 8/29/07, rama.ari@xxxxxxxxxxxxx <rama.ari@xxxxxxxxxxxxx> wrote:
>
>
>
>
> We are planning to setup RAC with two node on Redhat Linux. We want to
use
> RAW devices with multipath using Hitachi 9970. We could see shared
storage
> from both the nodes. Cluster Verify fails with following error
message.
>
>
>
> [oracle@soadbstg01 cluvfy]$ ./runcluvfy.sh comp ssa -n
> soadbstg01,soadbstg02
>
> Verifying shared storage accessibility
>
> Checking shared storage accessibility...
>
> WARNING:
> Unable to determine the sharedness of /dev/sda on nodes:
> soadbstg02,soadbstg01
>
> Shared storage check failed on nodes "soadbstg02,soadbstg01".
> Oracle (cvuqdisk) is looking for /dev/sd* location. RAW Partitions
are
> configured as /dev/oracleocr. Is there a way to bypass default
location?
>
> /usr/sbin/cvuqdisk seems to look for /dev/sd*
> trying to pass /dev/oracleocr/ocr01 doesn't seem to work.
> Is there a way to pass an alternate device path?
>
>
>
> Thanks,
>
> Rama
>
>
>
>
>
>
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--
Alex Gorbachev, Oracle DBA Brewer, The Pythian Group
http://www.pythian.com/blogs/author/alex http://www.oracloid.com
BAAG party - www.BattleAgainstAnyGuess.com
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