From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Tokarev Subject: Re: sata_nv and RAID1 Date: Sun, 12 Jun 2005 00:29:48 +0400 Message-ID: <42AB49BC.50104@tls.msk.ru> References: <200506111613.42962.dvadell@lantech.com.ar> <20050611192606.GA4055@pentafluge.infradead.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20050611192606.GA4055@pentafluge.infradead.org> Sender: linux-raid-owner@vger.kernel.org To: Jeff Garzik Cc: "Diego M. Vadell" , linux-raid@vger.kernel.org List-Id: linux-raid.ids Jeff Garzik wrote: > On Sat, Jun 11, 2005 at 04:13:42PM +0000, Diego M. Vadell wrote: > >>Hi, >> A new computer arrived at work with 4 160GB SATA disks. I made a >>couple of RAID 1 (mirror) with two disks each, and then joined them wih >>LVM. Now I have 320GB in my root volume. >> >>My boss asked me to test it, so we all gathered and unplugged the data >>cable of one of the disks. I was hoping to see linux making warnings for > > Hotplug is not supported yet. Don't do that :) It isn't hotPLUG -- it's hotUNplug. Happens when drive is dying for example, or when the cable is flaky, or due to millions of other reasons... And.. I for one expect linux to react to such a situation *somehow* - after all, raid is used for this very stuff too, to be able to continue running a system if one of the drives failed... /mjt