From owner-freebsd-questions@FreeBSD.ORG Wed Sep 3 14:19:50 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 6FCDE16A4BF for ; Wed, 3 Sep 2003 14:19:50 -0700 (PDT) Received: from mail.va.com.au (shiraz.va.com.au [203.15.106.9]) by mx1.FreeBSD.org (Postfix) with SMTP id C131C43FDD for ; Wed, 3 Sep 2003 14:19:48 -0700 (PDT) (envelope-from jesse@va.com.au) Received: (qmail 75511 invoked by uid 85); 3 Sep 2003 21:19:46 -0000 Received: from jesse@va.com.au by shiraz.va.com.au by uid 82 with qmail-scanner-1.16 (clamscan: 0.52. spamassassin: 2.20. Clear:. Processed in 0.37589 secs); 03 Sep 2003 21:19:46 -0000 Received: from unknown (HELO ?10.0.1.30?) (150.101.125.197) by mail.va.com.au with SMTP; 3 Sep 2003 21:19:46 -0000 Mime-Version: 1.0 X-Sender: jesse%va.com.au@mail.va.com.au Message-Id: In-Reply-To: <20030903162614.GB38375@ei.bzerk.org> References: <20030903162614.GB38375@ei.bzerk.org> Date: Thu, 4 Sep 2003 07:16:03 +1000 To: Ruben de Groot From: jesse reynolds Content-Type: text/plain; charset="us-ascii" ; format="flowed" cc: questions@freebsd.org Subject: Re: RAID1 is DEGRADED, but which disk is faulty? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 03 Sep 2003 21:19:50 -0000 At 18:26 +0200 3/9/2003, Ruben de Groot wrote: >On Wed, Sep 03, 2003 at 10:45:05PM +1000, jesse reynolds typed: >> Hi >> > > How do you tell which disk has problems in a hardware RAID1 array? ... >You can try this: > >umount /dev/ar0 >fsck -f -n /dev/ad4 >fsck -f -n /dev/ad6 > >This way (hopefully) you'll be able to establish which one of the disks >in the array has developed problems. Then reboot and rebuild the array >from the other disk using the controllers firmware. Thanks Ruben. Unfortunately there are only these two disks in the machine, with /, /usr, /var, and swap all slices of ar0. Thus, I cannot unmount ar0!!! Surely there must be a way of finding out which disk is being used and which is idle? Doesn't "degraded" mean that it's only using one of the two disks??? Thankyou Jesse >Ruben > >> Cheers >> >> Jesse >> >> PS: >> >> FreeBSD 4.6.2-RELEASE >> >> atapci1: port >> 0xdc00-0xdc3f,0xe000-0xe003,0xe400-0xe407,0xe800-0xe803,0xec00-0xec07 >> mem 0xdffe0000-0xdfffffff irq 11 at device 16.0 on pci0 >> >> ar0: 76293MB [9726/255/63] status: READY subdisks: >> 0 READY ad4: 76319MB [155061/16/63] at ata2-master UDMA100 >> 1 READY ad6: 76319MB [155061/16/63] at ata3-master UDMA100 >> >> >> # atacontrol list >> ATA channel 0: >> Master: no device present >> Slave: no device present >> ATA channel 1: >> Master: acd0 ATA/ATAPI rev 0 >> Slave: no device present >> ATA channel 2: >> Master: ad4 ATA/ATAPI rev 5 >> Slave: no device present >> ATA channel 3: >> Master: ad6 ATA/ATAPI rev 5 >> Slave: no device present >> >> _______________________________________________ >> freebsd-questions@freebsd.org mailing list >> http://lists.freebsd.org/mailman/listinfo/freebsd-questions >> To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" -- ::: Jesse Reynolds +61 (0)414 669 790 ::: AIM - jessedreynolds ::: ::: Virtual Artists Pty Ltd, Adelaide ::: http://www.va.com.au :::