Date: Wed, 3 Sep 2003 23:23:44 +1000 From: jesse reynolds <jesse@va.com.au> To: Peter Elsner <peter@servplex.com> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: RAID1 is DEGRADED, but which disk is faulty? Message-ID: <a06001a04bb7b9a9ee791@[10.0.1.30]> In-Reply-To: <5.2.0.9.2.20030903081202.011be588@mail.servplex.com> References: <5.2.0.9.2.20030903081202.011be588@mail.servplex.com>
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Hmmm, doesn't look good: # atacontrol rebuild ar0 atacontrol: ioctl(ATARAIDREBUILD): Operation not supported by device any other ideas? Note that I used the Promise chip's firmware to initially build the mirror, so I trust that this is a "RAID capable ATA controller" (from the rebuild section of the atacontrol man page) Thanks Jesse At 8:12 -0500 3/9/2003, Peter Elsner wrote: >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: <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" > >Peter Elsner <peter@servplex.com> >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 -- ::: Jesse Reynolds +61 (0)414 669 790 ::: AIM - jessedreynolds ::: ::: Virtual Artists Pty Ltd, Adelaide ::: http://www.va.com.au :::
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