From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alberto Alonso Subject: Re: Software RAID when it works and when it doesn't Date: Fri, 02 Nov 2007 03:47:58 -0500 Message-ID: <1193993279.3649.77.camel@w100> References: <14526.1192571833@mdt.ecitele.com> <87bqaw5tqb.fsf@informatik.uni-tuebingen.de> <1192777672.16416.495.camel@w100> <471E79A5.5020607@tmr.com> <1193205003.23414.72.camel@w100> <471FA543.9090502@tmr.com> <87fxzxzwga.fsf@informatik.uni-tuebingen.de> <1193418553.4771.13.camel@w100> <47235889.4030406@tmr.com> Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <47235889.4030406@tmr.com> Sender: linux-raid-owner@vger.kernel.org To: Bill Davidsen Cc: Goswin von Brederlow , Mike Accetta , Neil Brown , linux-raid@vger.kernel.org List-Id: linux-raid.ids On Sat, 2007-10-27 at 11:26 -0400, Bill Davidsen wrote: > Alberto Alonso wrote: > > On Fri, 2007-10-26 at 18:12 +0200, Goswin von Brederlow wrote: > > > > > >> Depending on the hardware you can still access a different disk while > >> another one is reseting. But since there is no timeout in md it won't > >> try to use any other disk while one is stuck. > >> > >> That is exactly what I miss. > >> > >> MfG > >> Goswin > >> - > >> > > > > That is exactly what I've been talking about. Can md implement > > timeouts and not just leave it to the drivers? > > > > I can't believe it but last night another array hit the dust when > > 1 of the 12 drives went bad. This year is just a nightmare for > > me. It brought all the network down until I was able to mark it > > failed and reboot to remove it from the array. > > > > I'm not sure what kind of drives and drivers you use, but I certainly > have drives go bad and they get marked as failed. Both on old PATA > drives and newer SATA. All the SCSI I currently use is on IBM hardware > RAID (ServeRAID), so I can only assume that failure would be noted. > -- Alberto Alonso Global Gate Systems LLC. (512) 351-7233 http://www.ggsys.net Hardware, consulting, sysadmin, monitoring and remote backups