Re: RAC -- RAW Device Multipath (Shared Storage)
- From: "Alex Gorbachev" <ag@xxxxxxxxxxxx>
- To: rama.ari@xxxxxxxxxxxxx
- Date: Wed, 29 Aug 2007 21:05:28 -0400
Known problem. ML Note 358617.1.
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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.
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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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