From: Stan Hoeppner <stan@hardwarefreak.com>
To: Daniel Pocock <daniel@pocock.com.au>
Cc: linux-raid@vger.kernel.org
Subject: Re: thanks md raid
Date: Thu, 10 May 2012 16:49:13 -0500 [thread overview]
Message-ID: <4FAC37D9.6040403@hardwarefreak.com> (raw)
In-Reply-To: <4FAC0ED2.2000201@pocock.com.au>
On 5/10/2012 1:54 PM, Daniel Pocock wrote:
>
> I'm glad my RAID1 worked as expected... just hoping I don't encounter
> any read timeouts on the non-TLER drive before my rebuild finishes:
You have an inverse understanding of ERC. Drives without ERC will retry
forever, or until an upper layer puts a stop to its efforts. Drives
with a 7 second ERC will return a hard error after 7 seconds.
So the only way you'll get a timeout with your rebuild is if the healthy
drive spends 30 seconds retying a sector read.
--
Stan
next prev parent reply other threads:[~2012-05-10 21:49 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-10 18:54 thanks md raid Daniel Pocock
2012-05-10 21:49 ` Stan Hoeppner [this message]
2012-05-10 21:51 ` Daniel Pocock
2012-05-11 2:09 ` Stan Hoeppner
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