From: Martin Steigerwald <Martin@lichtvoll.de>
To: linux-btrfs@vger.kernel.org
Cc: Sander <btrfs@humilis.net>, Martin <m_btrfs@ml1.co.uk>
Subject: Re: SSD format/mount parameters questions
Date: Sat, 19 May 2012 19:36:36 +0200 [thread overview]
Message-ID: <201205191936.36655.Martin@lichtvoll.de> (raw)
In-Reply-To: <20120518070251.GA32766@panda>
Am Freitag, 18. Mai 2012 schrieb Sander:
> Martin wrote (ao):
> > Are there any format/mount parameters that should be set for using
> > btrfs on SSDs (other than the "ssd" mount option)?
>
> If possible, format the whole device, do not partition the ssd. This
> will guarantee proper allignment.
Current partitioning tools align at 1 MiB unless otherwise specified.
And then thats only the alignment of the start of the filesystem.
Not the granularity that the filesystem itself uses to align its writes.
And then its not clear to me what effect proper alignment will actually
have given the intelligent nature of SSD firmwares.
--
Martin 'Helios' Steigerwald - http://www.Lichtvoll.de
GPG: 03B0 0D6C 0040 0710 4AFA B82F 991B EAAC A599 84C7
next prev parent reply other threads:[~2012-05-19 17:36 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-17 14:45 SSD format/mount parameters questions Martin
2012-05-18 7:02 ` Sander
2012-05-18 15:08 ` Clemens Eisserer
2012-05-18 15:32 ` Tomasz Torcz
2012-05-18 16:09 ` Calvin Walton
2012-05-19 17:36 ` Martin Steigerwald [this message]
2012-05-22 21:30 ` Martin
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