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Date:      Wed, 12 May 2010 15:56:31 -0500
From:      Adam Vande More <amvandemore@gmail.com>
To:        Mike Tancsa <mike@sentex.net>
Cc:        "A. Wright" <andrew@qemg.org>, FreeBSD - <freebsd-questions@freebsd.org>
Subject:   Re: Long I/O pauses on same mass storage
Message-ID:  <AANLkTil5ozngCzmfiGMgXfhkDW99IW5NaHI4MU2sRz2V@mail.gmail.com>
In-Reply-To: <201005122049.o4CKn7kS080566@lava.sentex.ca>
References:  <alpine.BSF.2.00.1005121035480.64303@qemg.org> <201005121456.o4CEurEZ078671@lava.sentex.ca> <alpine.BSF.2.00.1005121632520.64303@qemg.org> <BDDFA682-70FC-4240-AF3C-6AE03168FFE7@mac.com> <alpine.BSF.2.00.1005121726090.64303@qemg.org> <201005122049.o4CKn7kS080566@lava.sentex.ca>

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On Wed, May 12, 2010 at 3:49 PM, Mike Tancsa <mike@sentex.net> wrote:

> At 04:27 PM 5/12/2010, A. Wright wrote:
> === START OF INFORMATION SECTION ===
>
>> Device Model:     WDC WD15EARS-00S8B1
>> Serial Number:    WD-WCAVY2700359
>>
>
> Isnt that one of those Western Digital Green drives ? I seem to recall a
> number of people complaining about similar issues where the drive stalls.
> Perhaps a firmware update ? Or perhaps a way to disable the power
> saving/spin down features ?  Is your controller set to AHCI, or regular
> SATA. what does /var/run/dmesg.boot show ?
>


In addition to what I pointed out earlier, I believe that is also a 4k
sector drive.  You'll need to align your partitions accordingly.


-- 
Adam Vande More



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