Re: Can we trust fsync?

From: Florian Weimer <fweimer(at)redhat(dot)com>
To: PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Can we trust fsync?
Date: 2013-11-22 09:54:44
Message-ID: 528F29E4.4000802@redhat.com
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On 11/21/2013 12:45 AM, Craig Ringer wrote:
> I'm really concerned by this post on Linux's fsync and disk flush behaviour:
>
> http://milek.blogspot.com.au/2010/12/linux-osync-and-write-barriers.html
>
> and seeking opinions from folks here who've been deeply involved in
> write reliability work.

With ext4 and XFS on plain/LVM/md block devices, this issue should
really be a thing of the past. I think the kernel folks would treat
this as bugs nowadays, too.

--
Florian Weimer / Red Hat Product Security Team

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