From owner-freebsd-questions@FreeBSD.ORG Wed Sep 3 06:12:39 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 49EE616A4BF for ; Wed, 3 Sep 2003 06:12:39 -0700 (PDT) Received: from spxgate.servplex.com (ip66-105-58-82.z58-105-66.customer.algx.net [66.105.58.82]) by mx1.FreeBSD.org (Postfix) with ESMTP id 3ED0443FF5 for ; Wed, 3 Sep 2003 06:12:38 -0700 (PDT) (envelope-from peter@servplex.com) Received: from peter.servplex.com ([192.168.0.96]) by spxgate.servplex.com (8.12.8/8.12.6) with ESMTP id h83DOQ4C031084; Wed, 3 Sep 2003 08:24:26 -0500 (CDT) (envelope-from peter@servplex.com) Message-Id: <5.2.0.9.2.20030903081202.011be588@mail.servplex.com> X-Sender: peter@mail.servplex.com X-Mailer: QUALCOMM Windows Eudora Version 5.2.0.9 Date: Wed, 03 Sep 2003 08:12:38 -0500 To: jesse reynolds From: Peter Elsner In-Reply-To: Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; format=flowed cc: freebsd-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 13:12:39 -0000 Try rebuilding the array... atacontrol rebuild ar0 See if that helps... Peter Elsner At 10:45 PM 9/3/2003 +1000, you wrote: >Hi > >How do you tell which disk has problems in a hardware RAID1 array? My >machine has been up for nearly six months, and only the last three weeks >of messages logs are retained. There is nothing any in the last three >weeks of system logs about any kind of hardware error, or warning, or >anything mentioning ar0, ad4, or ad6. > >atacontrol is showing a DEGRADED status of the mirror: > ># atacontrol status ar0 >ar0: ATA RAID1 subdisks: ad4 ad6 status: DEGRADED > > >How does one tell which disk is faulty? Or is it possible that they've >become out of sync and need rebuilding, in which case which one do I >detach and reattach? > >I'm scared to reboot as it's a running server. What can I do???? > >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" Peter Elsner Vice President Of Customer Service (And System Administrator) 1835 S. Carrier Parkway Grand Prairie, Texas 75051 (972) 263-2080 - Voice (972) 263-2082 - Fax (972) 489-4838 - Cell Phone