From: Emmanuel Florac <eflorac@intellique.com>
To: Ewen McNeill <xfs@ewen.mcneill.gen.nz>
Cc: Dave Chinner <david@fromorbit.com>, linux-xfs@vger.kernel.org
Subject: Re: Rationale for hardware RAID 10 su, sw values in FAQ
Date: Thu, 28 Sep 2017 12:53:10 +0200 [thread overview]
Message-ID: <20170928125310.5687097e@harpe.intellique.com> (raw)
In-Reply-To: <c7ade829-9385-c517-581b-8dc73def5693@mcneill.gen.nz>
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Le Thu, 28 Sep 2017 12:36:39 +1300
Ewen McNeill <xfs@ewen.mcneill.gen.nz> écrivait:
> I'm obviously not an expert in filesystem layout optimisation. But I
> have many years sysadmin experience dealing with lots of types of
> storage, and can write a couple of pages of text on the "background"
> bits next time I have a free moment. The more advanced tunables
> could remain "todo" until there's time for the perfect version...
>
As you're at it, please mention the potential problems with 512e (512
bytes blocks emulated) disks, which are the vast majority of shipped
disks nowadays. Doing RAID with these can lead to all sort of trouble
by worsening the read/modify/write problem.
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next prev parent reply other threads:[~2017-09-28 10:53 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-26 8:54 Rationale for hardware RAID 10 su, sw values in FAQ Ewen McNeill
2017-09-27 0:43 ` Dave Chinner
2017-09-27 1:56 ` Ewen McNeill
2017-09-27 4:33 ` Dave Chinner
2017-09-27 23:36 ` Ewen McNeill
2017-09-28 1:39 ` Dave Chinner
2017-09-28 10:53 ` Emmanuel Florac [this message]
2017-09-28 11:07 ` Dave Chinner
2017-12-19 2:19 ` Ewen McNeill
2017-12-20 22:29 ` Dave Chinner
2018-02-06 1:56 ` Storage considerations for XFS layout documentation (was Re: Rationale for hardware RAID 10 su, sw values in FAQ) Ewen McNeill
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