From: Emmanuel Florac <eflorac@intellique.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: "xfs@oss.sgi.com" <xfs@oss.sgi.com>
Subject: Re: Weird behaviour of mkfs.xfs
Date: Mon, 28 Mar 2016 17:18:16 +0200 [thread overview]
Message-ID: <20160328171816.3ea3ba63@harpe.intellique.com> (raw)
In-Reply-To: <20160326163642.GA19464@infradead.org>
Le Sat, 26 Mar 2016 09:36:42 -0700
Christoph Hellwig <hch@infradead.org> écrivait:
> On Sat, Mar 26, 2016 at 03:46:19PM +0100, Emmanuel Florac wrote:
> > Actually I was too impatient; it finally ended avec 30 minutes of
> > burning bits to the flash. I don't understand the behaviour, though.
> > I'm used to mkfs.xfs making its magic extremely quickly, even on
> > humongous devices. Here it's a very fast array of only 3.2 TB...
>
> Trey doing a mkfs.xfs -K, without that it diascards the whole device.
> I've seen some NVMe device misbehaving under discard storms, up to
> the point of resetting the controller..
Ah, the discard is a nice touch, good to know :) It doesn't seem to be
mentioned in the man page (except for the -K option), it would be a
good information to know.
--
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Emmanuel Florac | Direction technique
| Intellique
| <eflorac@intellique.com>
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prev parent reply other threads:[~2016-03-28 15:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-03-26 13:50 Weird behaviour of mkfs.xfs Emmanuel Florac
2016-03-26 14:46 ` Emmanuel Florac
2016-03-26 16:36 ` Christoph Hellwig
2016-03-28 15:18 ` Emmanuel Florac [this message]
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