Promise RAID / ata problem

Derek Ragona derek at computinginnovations.com
Mon Jul 16 14:38:00 UTC 2007


At 06:45 AM 7/16/2007, Derek Holden wrote:
>Greetings,
>
>I have a Promise Fasttrak TX4200 running a single mirrored array under 5.5.
>Everything's been great for nearly a year until a recent reboot.  It appears
>that the two disk mirrored array is coming up as two arrays with a single
>disk attached:
>
>Before:
>
>kernel: acd0: CDRW <SONY CD-RW CRX140E/1.0n> at ata1-slave UDMA33
>kernel: ad6: 305245MB <Seagate ST3320620AS 3.AAC> at ata3-master SATA150
>kernel: ad10: 305245MB <Seagate ST3320620AS 3.AAC> at ata5-master SATA150
>kernel: ar0: 305175MB <Promise Fasttrak RAID1> status: READY
>kernel: ar0: disk0 READY (master) using ad10 at ata5-master
>kernel: ar0: disk1 READY (mirror) using ad6 at ata3-master
>
>After:
>
>kernel: acd0: CDRW <SONY CD-RW CRX140E/1.0n> at ata1-slave UDMA33
>kernel: ad6: 305245MB <Seagate ST3320620AS 3.AAC> at ata3-master SATA150
>kernel: ad10: 305245MB <Seagate ST3320620AS 3.AAC> at ata5-master SATA150
>kernel: ar0: disk0 DOWN no device found for this subdisk
>kernel: ar0: disk1 READY (mirror) using ad6 at ata3-master
>kernel: ar1: 305175MB <Promise Fasttrak RAID1> status: DEGRADED
>kernel: ar1: disk0 READY (master) using ad10 at ata5-master
>kernel: ar1: disk1 DOWN no device found for this subdisk
>
># atacontrol status ar0
>ar0: ATA RAID1 subdisks: DOWN ad6 status: DEGRADED
>
># atacontrol status ar1
>ar1: ATA RAID1 subdisks: ad10 DOWN status: DEGRADED
>
>Nothing's was changed on the machine.  I'm looking for any ideas on the best
>way to re-establish the single mirrored array.  Thanks a lot,

You didn't say how you created the array, in the Promise BIOS or in 
software under FreeBSD.  If you created the array in the promise BIOS, 
check the array in the BIOS first.

         -Derek


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