Re: ZFS with USB "SCSI"

From: Pawel Jakub Dawidek <pjd_at_FreeBSD.org>
Date: Fri, 15 Jun 2007 15:23:19 +0200
On Thu, Jun 14, 2007 at 12:07:28PM -0400, Ali Mashtizadeh wrote:
> Hi has anyone used ZFS with a external USB drive. I seem to get ZFS trying
> 
> The disk is mostly empty so these write errors are mostly at the beginning.
> Is there a problem with UMASS and ZFS or should I update my
> 7.0-CURRENT(about 2-3 weeks old). I used to have a UFS filesystem on
> this drive and it
> worked flawlessly. ZFS sometimes silently ignores most of these errors but
> when I start copying lots and lots of files it gives a lot of errors and
> Panics.
> 
> ... a bunch of errors like these:
> Jun 12 17:12:15 redqueen root: ZFS: vdev I/O failure, zpool=WDPassport
> path=/dev/da0s2d offset=4260626432 size=131072 error=5
> Jun 12 17:12:15 redqueen root: ZFS: vdev I/O failure, zpool=WDPassport
> path=/dev/da0s2d offset=4260757504 size=131072 error=5
> Jun 12 17:12:15 redqueen root: ZFS: vdev I/O failure, zpool=WDPassport
> path=/dev/da0s2d offset=4260888576 size=131072 error=5
> Jun 12 17:12:15 redqueen root: ZFS: vdev I/O failure, zpool=WDPassport
> path=/dev/da0s2d offset=4261019648 size=131072 error=5
> Jun 12 17:12:15 redqueen kernel: (da0:umass-sim0:0:0:0): WRITE(10). CDB: 2a
> 0 2 f6 4f 9e 0 0 80 0
> Jun 12 17:12:15 redqueen kernel: (da0:umass-sim0:0:0:0): CAM Status: SCSI
> Status Error
> Jun 12 17:12:15 redqueen kernel: (da0:umass-sim0:0:0:0): SCSI Status: Check
> Condition
> Jun 12 17:12:15 redqueen kernel: (da0:umass-sim0:0:0:0): ILLEGAL REQUEST
> asc:21,0
> Jun 12 17:12:15 redqueen kernel: (da0:umass-sim0:0:0:0): Logical block
> address out of range
> Jun 12 17:12:15 redqueen kernel: (da0:umass-sim0:0:0:0): Unretryable error
> Jun 12 17:12:15 redqueen root: ZFS: vdev I/O failure, zpool=WDPassport
> path=/dev/da0s2d offset=4261150720 size=131072 error=5
> Jun 12 17:14:02 redqueen syslogd: kernel boot file is /boot/kernel/kernel
> Jun 12 17:14:02 redqueen kernel: (da0:umass-sim0:0:0:0): WRITE(10). CDB: 2a
> 0 2 f6 4d 9e 0 0 80 0
> Jun 12 17:14:02 redqueen kernel: (da0:umass-sim0:0:0:0): CAM Status: SCSI
> Status Error
> Jun 12 17:14:02 redqueen kernel: (da0:umass-sim0:0:0:0): SCSI Status: Check
> Condition
> Jun 12 17:14:02 redqueen kernel: (da0:umass-sim0:0:0:0): ILLEGAL REQUEST
> asc:21,0
> Jun 12 17:14:02 redqueen kernel: (da0:umass-sim0:0:0:0): Logical block
> address out of range
> Jun 12 17:14:02 redqueen kernel: (da0:umass-sim0:0:0:0): Unretryable error
> Jun 12 17:14:02 redqueen kernel: panic: ZFS: I/O failure (write on <unknown>
> off 0: zio 0xffffff00240db000 [L0 ZFS plain file] 20000L/20000P
> DVA[0]=<0:fd9a0000:20000> fletcher2 uncompressed LE contiguous birth=2447
> fill=1
> cksum=5df9a1c34a151f29:ef04006d2a7312e2:f22e3b20440a3f6:c154faf2be8dc79d)
> Jun 12 17:14:02 redqueen kernel: cpuid = 0
> Jun 12 17:14:02 redqueen kernel: Uptime: 46m5s
> Jun 12 17:14:02 redqueen kernel: Physical memory: 881 MB
> Jun 12 17:14:02 redqueen kernel: Dumping 220 MB: 205 189 173 157 141 125 109
> 93 77 61 45 29 13
> Jun 12 17:14:02 redqueen kernel: Dump complete
> Jun 12 17:14:02 redqueen kernel: Automatic reboot in 15 seconds - press a
> key on the console to abort
> Jun 12 17:14:02 redqueen kernel: --> Press a key on the console to reboot,
> Jun 12 17:14:02 redqueen kernel: --> or switch off the system now.
> Jun 12 17:14:02 redqueen kernel: Rebooting...

Can you show me the output of:

	# diskinfo -v /dev/da0s2d
	# zpool list

-- 
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd_at_FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!

Received on Fri Jun 15 2007 - 11:23:27 UTC

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