REPOST: TAR and SCSI Tape Drive Troubles.

Dan Nelson dnelson at allantgroup.com
Wed Dec 22 08:16:57 PST 2004


In the last episode (Dec 22), comm/JT said:
> I have recently installed a SCSI tape drive in my FBSD box:
> 
> Waiting 15 seconds for SCSI devices to settle
> sa0 at sym0 bus 0 target 6 lun 0
> sa0: <SEAGATE DAT    04106-XXX 743B> Removable Sequential Access SCSI-2 device 
> sa0: 10.000MB/s transfers (10.000MHz, offset 15)
> 
> I then tried to actually put some files on the tape using tar and had the
> following message in 'demsg':
> 
> Dec 21 10:38:11 taco kernel: (sa0:sym0:0:6:0): lost device
> Dec 21 10:38:11 taco kernel: (sa0:sym0:0:6:0): failed to write terminating filemark(s)
> Dec 21 10:38:12 taco kernel: (sa0:sym0:0:6:0): tape is now frozen- use an OFFLINE, REWIND or MTEOM command to clear this state.
> Dec 21 10:38:12 taco kernel: (sa0:sym0:0:6:0): removing device entry
>
> I have no clue how to add the device entry again, I tried rebooting the box.
> I even tried some commands with 'devfs'... and got no where.

The SCSI subsystem thinks the device has been disconnected; devfs can't
put the /dev/ node back until you rescan the SCSI bus.  Try running
"camcontrol rescan all".

-- 
	Dan Nelson
	dnelson at allantgroup.com


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