linux-kernel - Re: [smartmontools-support] inactive SATA drives won't stay in standby or sleep, PATA models did. (fwd)

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Message-ID: <48EBE263.8000500@tlinx.org>
Date:	Tue, 07 Oct 2008 15:27:47 -0700
From:	Linda Walsh <smartmontools@...nx.org>
To:	Tejun Heo <htejun@...il.com>
CC:	Smartmontools Mailing List 
	<smartmontools-support@...ts.sourceforge.net>,
	Bruce Allen <ballen@...vity.phys.uwm.edu>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [smartmontools-support] inactive SATA drives won't stay in standby
 or sleep, PATA models did. (fwd)

Tejun Heo wrote:
> Linda Walsh wrote:
>   
>> Controller is a Promise TX4/300
>> Yeap.  After the drive goes offline, does unplugging and replugging
>> the power cable to the harddrive makes it come back?
>>     
----
    No.  It hangs the computer. about 2-3 seconds after plugging the
drives back in.  Did it twice to verify it wasn't a fluke.  Verified
drives removed from /dev, then
plugged them back in -- was able to do about 1-2 ls commands on /dev, then
keyboard goes dead.

    First time I tried unplugging the power cables and replugging --
that hung...
2nd time tried unplugging a sata cable and replugging -- that hung too.

    Hopefully you won't need any more tests of this exact nature...? :-)



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