From: Emmanuel Florac <eflorac@intellique.com>
To: Peter Grandi <pg_xf2@xf2.for.sabi.co.UK>
Cc: Linux XFS <xfs@oss.sgi.com>
Subject: Re: Question/Problem: Mounting of XFS filesystem takes a lot of time
Date: Thu, 21 Oct 2010 19:05:42 +0200 [thread overview]
Message-ID: <20101021190542.0ede7962@galadriel.home> (raw)
In-Reply-To: <19647.34574.786118.56593@tree.ty.sabi.co.uk>
Le Thu, 21 Oct 2010 01:19:26 +0100 vous écriviez:
> Usually SATA drives are pogrammed to do a large number of firmware
> driven retries in case of data errors, hanging the IO subsystem,
This is only the case for Desktop SATA drives. More expensive
"enterprise" SATA drives (Seagate ES or ES2 series, Hitachi Ultrastar,
etc) behave like SAS drives.
Desktop SATA drives also lack the logic to manage properly vibrations
happening in large arrays, which can totally kill performance.
--
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Emmanuel Florac | Direction technique
| Intellique
| <eflorac@intellique.com>
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next prev parent reply other threads:[~2010-10-21 17:04 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-20 16:57 Question/Problem: Mounting of XFS filesystem takes a lot of time Andreas Hasenkopf
2010-10-21 0:19 ` Peter Grandi
2010-10-21 17:05 ` Emmanuel Florac [this message]
-- strict thread matches above, loose matches on Subject: below --
2010-10-19 20:44 Andreas Hasenkopf
2010-10-19 21:33 ` Martin Steigerwald
2010-10-19 23:08 ` Dave Chinner
2010-10-20 6:05 ` Michael Monnerie
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