***BOGO*** Re: Best fs for imapserver?

[Aniruddha <mailing_list@xxxxxxxxx>]

On Tue, 2008-08-19 at 10:52 +1000, Alex Samad wrote:
> There has alway been talk that if you use xfs make sure you have a ups
> as well.
> 
> 
> I use XFS, like it for my large partitions and I have a ups

The reasoning behind this is that an unclean shutdown can cause severe
data loss. Strangely enough I can't find any information about his
'feature', all I found was:

> Disadvantages
> There is no undelete utility for XFS
> An XFS file system cannot be shrunk
> Creation and deletion of directory entries is a much slower metadata
> operation than other file systems. Simon Kongshøj. "Filesystem
> performance tweaking with XFS on Linux".
> Failure-handling policies can be improved [2]
> The use of XFS file systems on LVM2 logical volumes can cause system
> freezes under Linux based operating systems if the kernel is compiled
> with option CONFIG_4KSTACKS enabled [3]. This happens when the system
> is under high disk I/O and require more than 4kB of thread stack.
http://en.wikipedia.org/wiki/Xfs

Anyhow I recommend using ext3 tuned for performance since reliability is
as much important for a mailserver as is speed. For ext3 optimization
tips look here:
http://forums.gentoo.org/viewtopic-t-305871-highlight-ext3+optimize
+optimize.html




Regards,


Aniruddha





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