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PostgreSQL NetApp and NFS

From: "Chris Hoover" <revoohc(at)gmail(dot)com>
To: "PGSQL Performance" <pgsql-performance(at)postgresql(dot)org>
Subject: PostgreSQL NetApp and NFS
Date: 2008-03-20 19:32:47
Message-ID: 1d219a6f0803201232g54924fb3ka206c9b03e4664c7@mail.gmail.com (view raw or flat)
Thread:
Lists: pgsql-performance
I just found out that my company is planning on migrating my databases from
our current ISCSI storage solution to NetApps connected via NFS.  I knew
about the NetApp migration, but always assumed (and shame on me) that I
would have direct attachments to the servers.

Well, I am very uncomfortable with the NFS attachement.  I have been
searching the archives and see a lot of anocdotal stories of NFS horrors,
but so far, nothing but general stories and statements.

I need to know if anyone out there is/has run their PostgreSQL on NetApp
arrays via NFS.  My particular situation is RH Linux 4 servers running
Postgresql 8.1.  I need to provide our Operations manager with specific
reasons why we should not run PostgreSQL over NetApp NFS.  Otherwise, they
will go forward with this.

If you have any real life good or bad stories, I'd love to hear it.  Given
the NetApp arrays supposedly being very good NFS platforms, overall, is this
a recommended way to run PostgreSQL, or is it recommended to not run this
way.


Feel free to reply directly if you are not comfortable talking to this on
the list, but list replies would be preferred so others in my shoes can find
this information.

Thanks,

Chris
-- 
Come see how to SAVE money on fuel, decrease harmful emissions, and even
make MONEY. Visit http://colafuelguy.mybpi.com and join the revolution!

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Next:From: Bruce MomjianDate: 2008-03-20 20:09:39
Subject: Re: PostgreSQL NetApp and NFS
Previous:From: Tom LaneDate: 2008-03-20 15:20:39
Subject: Re: PG writes a lot to the disk

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