Date: 28 May 2003 23:39:04 -0400 From: Chris Shenton <chris@shenton.org> To: current@freebsd.org, freebsd-hardware@freebsd.org Subject: DELL CERC amr RAID card beeping, dead drive? how to diagnose/fix? Message-ID: <87add6o207.fsf@Pectopah.shenton.org>
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I have a DELL 600SC which came with a DELL CERC RAID controller. It's recognized by FreeBSD-CURRENT as an "amr" device even though it's got four ATA disk channels on it instead of the documented SCSI drives for the PERC controller. I have 4x WD1200JB ATA 120GB disks on it which have been running fine for a few months as a set of RAID-5 volumes. >From "dmesg": amrd0: <LSILogic MegaRAID logical drive> on amr0 amrd0: 9999MB (20477952 sectors) RAID 5 (optimal) amrd1: <LSILogic MegaRAID logical drive> on amr0 amrd1: 111093MB (227518464 sectors) RAID 5 (optimal) amrd2: <LSILogic MegaRAID logical drive> on amr0 amrd2: 111093MB (227518464 sectors) RAID 5 (optimal) amrd3: <LSILogic MegaRAID logical drive> on amr0 amrd3: 111099MB (227530752 sectors) RAID 5 (optimal) An hour ago, it started beeping at me. I suspect this is the CERC card warning me that one of the disk drives has failed and that I'd better do something about it. :-( Is there a way to diagnose it from a live system, to query which of the four ATA drives it thinks is dead, so I can replace it? (Seems to me that a WD1200JB drive should last a lot longer than a few months it's been running, in a properly ventilated DELL box; any ideas?) Anyone have experience with this CERC controller and replacing a drive? My biggest fear is that I haven't tested the RAID rebuild and that even when I do replace the failed (?) drive it won't do the automatic rebuild and save my data. Other suggestions? Thanks.
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