From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mx3.redhat.com (mx3.redhat.com [172.16.48.32]) by int-mx1.corp.redhat.com (8.13.1/8.13.1) with ESMTP id l94HwOTd005065 for ; Thu, 4 Oct 2007 13:58:24 -0400 Received: from e32.co.us.ibm.com (e32.co.us.ibm.com [32.97.110.150]) by mx3.redhat.com (8.13.1/8.13.1) with ESMTP id l94Hw6dv002196 for ; Thu, 4 Oct 2007 13:58:16 -0400 Received: from d03relay04.boulder.ibm.com (d03relay04.boulder.ibm.com [9.17.195.106]) by e32.co.us.ibm.com (8.12.11.20060308/8.13.8) with ESMTP id l94GnYEa024343 for ; Thu, 4 Oct 2007 12:49:34 -0400 Received: from d03av01.boulder.ibm.com (d03av01.boulder.ibm.com [9.17.195.167]) by d03relay04.boulder.ibm.com (8.13.8/8.13.8/NCO v8.5) with ESMTP id l94HvxtS361544 for ; Thu, 4 Oct 2007 11:57:59 -0600 Received: from d03av01.boulder.ibm.com (loopback [127.0.0.1]) by d03av01.boulder.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id l94Hvww2000402 for ; Thu, 4 Oct 2007 11:57:58 -0600 Received: from malahal.beaverton.ibm.com (malahal.beaverton.ibm.com [9.47.17.130]) by d03av01.boulder.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id l94Hvwq2000398 for ; Thu, 4 Oct 2007 11:57:58 -0600 Date: Thu, 4 Oct 2007 10:57:57 -0700 From: malahal@us.ibm.com Subject: Re: [linux-lvm] Poison pills Message-ID: <20071004175757.GA16363@us.ibm.com> References: <20071003214759.GA10385@us.ibm.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Reply-To: LVM general discussion and development List-Id: LVM general discussion and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-lvm@redhat.com You may be able to place the flakey target on top of loop device to simulate device failure. -Malahal. Stuart D. Gathman [stuart@bmsi.com] wrote: > On Wed, 3 Oct 2007 malahal@us.ibm.com wrote: > > > It would be a lot cheaper if you can test it with loop devices! > > Loop devices don't let you disconnect them while active (or at least they > complain and I've never tried to override them). The torture test is > removing the drive while active in the VG, file system mounted, etc. > > > Stuart D. Gathman [stuart@bmsi.com] wrote: > > > I think an inexpensive torture test of this logic is to get 3 or 4 external USB > > > drives, put them all in a VG, and start playing games with hotplugging them. > > > (E.g. unplug drive, vgreduce, plug drive back in). > > -- > Stuart D. Gathman > Business Management Systems Inc. Phone: 703 591-0911 Fax: 703 591-6154 > "Confutatis maledictis, flammis acribus addictis" - background song for > a Microsoft sponsored "Where do you want to go from here?" commercial.