Date: Thu, 4 Sep 2003 07:16:03 +1000 From: jesse reynolds <jesse@va.com.au> To: Ruben de Groot <mail23@bzerk.org> Cc: questions@freebsd.org Subject: Re: RAID1 is DEGRADED, but which disk is faulty? Message-ID: <a06001a07bb7c09b7f148@[10.0.1.30]> In-Reply-To: <20030903162614.GB38375@ei.bzerk.org> References: <a06001a02bb7b8fd4603a@[10.0.1.30]> <20030903162614.GB38375@ei.bzerk.org>
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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: <Promise ATA100 controller> port >> 0xdc00-0xdc3f,0xe000-0xe003,0xe400-0xe407,0xe800-0xe803,0xec00-0xec07 >> mem 0xdffe0000-0xdfffffff irq 11 at device 16.0 on pci0 >> >> ar0: 76293MB <ATA RAID1 array> [9726/255/63] status: READY subdisks: >> 0 READY ad4: 76319MB <ST380021A> [155061/16/63] at ata2-master UDMA100 >> 1 READY ad6: 76319MB <ST380021A> [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 <LG DVD-ROM DRD-8160B/1.01> ATA/ATAPI rev 0 >> Slave: no device present >> ATA channel 2: >> Master: ad4 <ST380021A/3.19> ATA/ATAPI rev 5 >> Slave: no device present >> ATA channel 3: >> Master: ad6 <ST380021A/3.19> 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 :::
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