From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeff Garzik Subject: Re: removing AHCI SATA devices Date: Tue, 22 Feb 2011 16:36:20 -0500 Message-ID: <4D642C54.9040604@garzik.org> References: Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: Sender: linux-raid-owner@vger.kernel.org To: Simon Mcnair Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids 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