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Re: Patch to improve reliability of postgresql on linux nfs

From: Bernd Helmle <mailings(at)oopsware(dot)de>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, George Barnett <gbarnett(at)atlassian(dot)com>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Patch to improve reliability of postgresql on linux nfs
Date: 2011-09-09 15:30:02
Message-ID: E6D9F81D0609BDC4C969BFA7@apophis.local (view raw or flat)
Thread:
Lists: pgsql-hackers

--On 9. September 2011 10:27:22 -0400 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> wrote:

> On the whole I think you'd be better off lobbying your NFS implementors
> to provide something closer to the behavior of every other filesystem on
> the planet.  Or checking to see if you need to adjust your NFS
> configuration, as the other responders mentioned.

You really need at least mount options 'hard' _and_ 'nointr' on NFS mounts, 
otherwise you are out of luck. Oracle and DB2 guys recommend those settings and 
without them any millisecond of network glitch could disturb things 
unreasonably.

-- 
Thanks

	Bernd

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