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From: Simon McNair <simonmcnair@gmail.com>
To: Jeff Garzik <jeff@garzik.org>
Cc: linux-raid@vger.kernel.org
Subject: Re: removing AHCI SATA devices
Date: Wed, 23 Feb 2011 08:27:47 +0000	[thread overview]
Message-ID: <4D64C503.1080304@gmail.com> (raw)
In-Reply-To: <4D642C54.9040604@garzik.org>

thanks Jeff.   It just seems like a hit and miss solution (no way of 
knowing all data has been written to and that the device has been 
unmounted from all filesystems).  I kinda expected some kind of 'it is 
safe to remove /dev/sdb' in dmesg.

cheers
Simon

On 22/02/2011 21:36, Jeff Garzik wrote:
> On 02/22/2011 11:05 AM, Simon Mcnair wrote:
>> hi all,
>> Whilst I am aware that with AHCI and SATAII I can just unplug a HDD at
>> will what is the correct process for doing a 'clean' dismount ?
>>
>> Since MD is a layer over the top of the physical device how can you
>> ensure with certainty that all data has been flushed and the device
>> removal is clean ?
>
> Simply unplugged the hard drive's SATA cable should be fine.
>
>     Jeff
>
>
>

  reply	other threads:[~2011-02-23  8:27 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-22 16:05 removing AHCI SATA devices Simon Mcnair
2011-02-22 21:36 ` Jeff Garzik
2011-02-23  8:27   ` Simon McNair [this message]
2011-02-23 10:54     ` hansbkk
2011-02-23 11:19     ` John Robinson
2011-02-23 16:21       ` Roberto Spadim

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