From: Dave Chinner <david@fromorbit.com>
To: Stefan Ring <stefanrin@gmail.com>
Cc: Xfs <xfs@oss.sgi.com>, weber@zbfmail.de
Subject: Re: mount options question
Date: Fri, 29 Aug 2014 18:37:38 +1000 [thread overview]
Message-ID: <20140829083738.GD20518@dastard> (raw)
In-Reply-To: <CAAxjCEy9UyjDVrTZ4GdRyDy330wUqLGWurzrLAE6-7Q0KdYzvA@mail.gmail.com>
On Fri, Aug 29, 2014 at 08:31:43AM +0200, Stefan Ring wrote:
> On Thu, Aug 28, 2014 at 1:07 AM, Dave Chinner <david@fromorbit.com> wrote:
> > On Wed, Aug 27, 2014 at 12:14:21PM +0200, Marko Weber|8000 wrote:
> >>
> >> sorry dave and all other,
> >>
> >> can you guys recommend me the most stable / best mount options for
> >> my new server with ssd´s and XFS filesystem?
> >>
> >> at moment i would set: defaults,nobarrier,discard,logbsize=256k,noikeep
> >> or is just "default" the best solution and xfs detect itself whats best.
> >>
> >> can you guide me a bit?
> >>
> >> as eleavtor i set elevator=noop
> >>
> >> i setup disks with linux softraid raid1. On top of the raid is LVM
> >> (for some data partations).
> >>
> >>
> >> would be nice to hear some tipps from you
> >
> > Unless you have specific requirements or have the knowledge to
> > understand how the different options affect behaviour, then just use
> > the defaults.
>
> Mostly agreed, but using "discard" would be a no-brainer for me. I
> suppose XFS does not automatically switch it on for non-rotational
> storage.
Yup, you're not using your brain. :P
mount -o discard *sucks* on so many levels it is not funny. I don't
recommend that anybody *ever* use it, on XFS, ext4 or btrfs. Just
use fstrim if you ever need to clean up a SSD.
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2014-08-29 8:38 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-27 10:14 mount options question Marko Weber|8000
2014-08-27 23:07 ` Dave Chinner
2014-08-29 6:31 ` Stefan Ring
2014-08-29 8:37 ` Dave Chinner [this message]
2014-08-29 11:26 ` Greg Freemyer
2014-08-29 23:45 ` Dave Chinner
2014-08-30 3:43 ` Greg Freemyer
2014-09-05 12:15 ` Stefan Ring
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