From mboxrd@z Thu Jan 1 00:00:00 1970 From: Dan Christensen Subject: Re: Question / Request about timeouts of SATA harddisks Date: Fri, 04 Jun 2010 12:06:36 -0400 Message-ID: <87vd9ylr3n.fsf@uwo.ca> References: <4C074C8D.509@stud.tu-ilmenau.de> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: Received: from lo.gmane.org ([80.91.229.12]:54739 "EHLO lo.gmane.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751897Ab0FDQKG (ORCPT ); Fri, 4 Jun 2010 12:10:06 -0400 Received: from list by lo.gmane.org with local (Exim 4.69) (envelope-from ) id 1OKZT9-0007B8-UB for linux-scsi@vger.kernel.org; Fri, 04 Jun 2010 18:10:03 +0200 Received: from bas3-london14-1096780455.dsl.bell.ca ([65.95.138.167]) by main.gmane.org with esmtp (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 04 Jun 2010 18:10:03 +0200 Received: from jdc by bas3-london14-1096780455.dsl.bell.ca with local (Gmexim 0.1 (Debian)) id 1AlnuQ-0007hv-00 for ; Fri, 04 Jun 2010 18:10:03 +0200 Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: linux-scsi@vger.kernel.org "Stefan /*St0fF*/ H=C3=BCbner" writ= es: > concerning RAIDs with Desktop class drives it'd be good to know if th= ere > is any kernel-timeout-value which states, how long a diskdrive may ta= ke > to process a command. If it doesn't respond in-time I've seen in my > logs and with many disks that the sg-eh becomes active resetting the > bus. So somewhere there needs to be such a timeout. > > The question is: can this timeout-value be found somewhere in the sys= fs? > If "yes" where? If "no", can it be exported? I'd like to second this request, as I have two drives in a raid 5 array that occasionally (once every month or two) suffer from a timeout, whic= h causes them to be kicked from the raid array. SMART tests show no problems, so it would be convenient if I could increase the timeouts. (More details about my set-up are in this thread on the linux-raid list= : http://marc.info/?l=3Dlinux-raid&m=3D127548808104494&w=3D2 ) Dan -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" i= n the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html