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From: Matthias Prager <linux@matthiasprager.de>
To: Robert Trace <maillist@farcaster.org>
Cc: djwong@us.ibm.com, linux-scsi@vger.kernel.org,
	linux-raid@vger.kernel.org,
	Matthias Prager <linux@matthiasprager.de>
Subject: Re: 'Device not ready' issue on mpt2sas since 3.1.10
Date: Tue, 10 Jul 2012 02:21:09 +0200	[thread overview]
Message-ID: <4FFB7575.4060603@matthiasprager.de> (raw)
In-Reply-To: <4FFB5A0F.30400@farcaster.org>

Am 10.07.2012 00:24, schrieb Robert Trace:
> 
> Also, TURs don't appear to actually wake the disk up (should they?).
> The only thing I've found that'll wake the disk up is an explicit START
> UNIT command.

I haven't checked the scsi logging side, but about the only commands
that wake up the disks are 'smartctl -a /dev/sda' and 'sg_start'
(smartcl maybe issuing a START UNIT command on it's own).

Matthias

  reply	other threads:[~2012-07-10  0:21 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <4FE454CA.6080007@matthiasprager.de>
2012-07-09 14:40 ` 'Device not ready' issue on mpt2sas since 3.1.10 Matthias Prager
2012-07-09 19:37   ` Robert Trace
2012-07-09 20:45     ` Darrick J. Wong
2012-07-09 22:24       ` Robert Trace
2012-07-10  0:21         ` Matthias Prager [this message]
2012-07-10 16:54         ` Darrick J. Wong
2012-07-10  0:12     ` Matthias Prager
2012-07-09 22:08   ` NeilBrown
2012-07-10  0:03     ` Matthias Prager

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