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Re: Which FileSystem do you use on your postfix server?

To: Postfix users <postfix-users@xxxxxxxxxxx>
Subject: Re: Which FileSystem do you use on your postfix server?
From: Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx>
Date: Fri, 31 Oct 2008 08:13:09 -0400 (EDT)
Cc: xfs@xxxxxxxxxxx
In-reply-to: <20081031121002.D94A11F3E98@xxxxxxxxxxxxxxxxxxx>
References: <20081031121002.D94A11F3E98@xxxxxxxxxxxxxxxxxxx>
User-agent: Alpine 1.10 (DEB 962 2008-03-14)


On Fri, 31 Oct 2008, Wietse Venema wrote:

Does XFS still overwrite existing files with zeros, when those
files were open for write at the time of unclean shutdown? This
I believe this was fixed in an early 2.6.2x release, cc'ing xfs mailing list to confirm.

would violate a basic requirement of Postfix (don't lose data after
fsync).  Postfix updates existing files all the time: it updates
queue files as it marks recipients as done, and it updates mailbox
files as it appends mail.

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