From mboxrd@z Thu Jan 1 00:00:00 1970 From: Brad Campbell Subject: Re: Raid1 stalls during hotplug and Promise SATA TX4 Date: Fri, 22 Apr 2005 15:12:24 +0400 Message-ID: <4268DC18.8060205@wasp.net.au> References: <32973.10.0.0.2.1114128004.squirrel@resen.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <32973.10.0.0.2.1114128004.squirrel@resen.org> Sender: linux-raid-owner@vger.kernel.org To: skrald@amossen.dk Cc: linux-raid@vger.kernel.org List-Id: linux-raid.ids skrald@amossen.dk wrote: > Can somebody help me decoding the behavior described below? > > I have just bought a Promise SATA TX4 controler and runs software raid1 on > it. According to > http://linux.yyz.us/sata/sata-status.html#tx2 > libata should support hotplug on this card. > > Now, when I mark all partitions on /dev/sdb as faulty and do a > mdadm -r /dev/md0 /dev/sdb* > the disc disappears from the arrays just fine. > > Now I unplug the disc without shutting down first (I have two icy dock > MB123 SK docking stations) which should work just fine according to the > above link. The short answer is libata does not yet support hotplug. Brad -- "Human beings, who are almost unique in having the ability to learn from the experience of others, are also remarkable for their apparent disinclination to do so." -- Douglas Adams