From owner-freebsd-scsi  Fri Sep 18 10:02:50 1998
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	Fri, 18 Sep 1998 10:02:21 -0700
Date: Fri, 18 Sep 1998 10:02:21 -0700 (PDT)
From: Matthew Jacob <mjacob@feral.com>
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To: "Stephen D. Spencer" <scsi@artorius.sunflower.com>
cc: scsi@FreeBSD.ORG
Subject: Re: losing drives in a ccd array 
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Sounds like a power failure for that drive occurred.

Justin, Ken- aren't you retrying disk operations?


On Fri, 18 Sep 1998, Stephen D. Spencer wrote:

> 
> --begin system information--
> 
> FreeBSD 2.2-980705-SNAP + 2.2CAM-19980716-SNAP.diffs
> 
> 	7 of these (ccd0) (da5-da11)
> da6 at ahc1 bus 0 target 2 lun 0
> da6: <SEAGATE ST39173W 5764> Fixed Direct Access SCSI2 device 
> da6: 20.0MB/s transfers (10.0MHz, offset 8, 16bit), Tagged Queueing
> Enabled
> da6: 8683MB (17783240 512 byte sectors: 64H 32S/T 8683C)
> 
> 	on 3 of these
> ahc1 <Adaptec 2940 Ultra SCSI adapter> rev 1 int a irq 9 on pci0:17:0
> ahc1: aic7880 Wide Channel A, SCSI Id=7, 16/255 SCBs
> 
> /dev/ccd0 is mounted async
> 
> --begin error message--
> 
> Unexpected busfree.  LASTPHASE == 0x0
> SEQADDR == 0x10e
> (da11:ahc3:0:2:0): lost device
> (da11:ahc3:0:2:0): Invalidating pack
> (da11:ahc3:0:2:0): Invalidating pack
> (da11:ahc3:0:2:0): Invalidating pack
> (da11:ahc3:0:2:0): Invalidating pack
> (da11:ahc3:0:2:0): Invalidating pack
> (da11:ahc3:0:2:0): WRITE(10). CDB: 2a 0 0 6d 1 70 0 0 10 0 
> (da11:ahc3:0:2:0): UNIT ATTENTION asc:29,1
> (da11:ahc3:0:2:0): Power on occurred field replaceable unit: 1
> biodone: buffer already done
> biodone: buffer already done
> 
> --------------------------
> 
> This machine is a usenet server so it does quite a bit of disk i/o.
> Any help in interpreting the above error messages would be greatly
> appreciated.
> 
> Thanks in advance.
> 
> Regards,
> Stephen Spencer
> Sunflower Datavision
> Lawrence, KS
> 
> 
> 
> 
> 
> 
> 
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