From: Dave Chinner <david@fromorbit.com>
To: Michael Monnerie <michael.monnerie@is.it-management.at>
Cc: xfs@oss.sgi.com
Subject: Re: TRIM on XFS
Date: Sat, 8 Oct 2011 10:34:50 +1100 [thread overview]
Message-ID: <20111007233450.GK3159@dastard> (raw)
In-Reply-To: <201110071352.20135@zmi.at>
On Fri, Oct 07, 2011 at 01:52:19PM +0200, Michael Monnerie wrote:
> It's been a long time since I've been reading about TRIM. What is the
> current state for XFS? I believe there's TRIM support, but only offline.
> Can someone explain how to activate that and actually run a TRIM?
>
> And there was some talk of "inline TRIM", i.e. always TRIMing on delete.
> Is that implemented already?
>
> We're on VMware with thin provisioned machines, and that would hugely
> benefit from TRIM.
>
e84661a xfs: add online discard support
and
a46db60 xfs: add FITRIM support
So both online and background trim methods are available. Test well
before using them in production, though, as buggy hardware or thinp
implementations are quite common....
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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next prev parent reply other threads:[~2011-10-07 23:34 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-07 11:52 TRIM on XFS Michael Monnerie
2011-10-07 23:34 ` Dave Chinner [this message]
2011-10-10 6:29 ` Michael Monnerie
2011-10-10 20:28 ` Greg Freemyer
2011-10-10 22:04 ` Jeffrey Hundstad
2011-10-10 23:52 ` Greg Freemyer
2011-10-11 2:05 ` Dave Chinner
2011-10-11 16:06 ` Jeffrey Hundstad
2011-10-11 22:25 ` Dave Chinner
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