How do I stop this???

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Special Forums Hardware Filesystems, Disks and Memory How do I stop this???
# 1  
Old 07-10-2002
Error How do I stop this???

Am having trouble trying to stop the process below ...
bash# ps -eaf | grep "tape erase"
    root 29715     1  0 05:16:22   ttyp1    00:00:00 tape erase /dev/rStp0
    root 22464 20933  1 03:40:12   ttyp6    00:00:00 grep tape erase

I've tried ... `kill -9 29715` ... but still no luck.

Help really required as the process is causing the backup unit not to dismount tapes.
# 2  
Old 07-10-2002
Check out the mt command - doing a forcereserve may work


if this is a single tape drive you might be able to eject the tape manually - not sure about a jukebox (turning off a jukebox or opening it up and ejecting manually may work)


theory: try the eject command with -f - not sure if it will take a tape device and no way for me to test.

what OS and version and type of tape drive may get more answers. What software is being used to control the device?
# 3  
Old 07-10-2002
If you can't mt the tape device I wonder if it would be possible to use camcontrol to turn off the SCSI tape drive and force the device to just error out?
# 4  
Old 07-10-2002
mt - reports device is busy.

Sorry, running SCO Unix 5.0.5.

What the heck is camcontrol ???

I'm really wanting to avoid resetting the box.
# 5  
Old 07-10-2002
check to see if volume manager is running.


ps -ef | grep vold

if volume manager is running, stop vold

To stop vold use the kill -9 (process id) or

/etc/init.d/vold stop (this may be different for sco)

then issued

eject -f (to eject tape or scsi device)

finally restart vold

/etc/init.d/vold start
# 6  
Old 07-10-2002
Until the driver finishes with the current operation, that process is not going anywhere. Cycling power on the tape drive may abort the operation. Other than that your options are reboot or wait until the operation finishes.
# 7  
Old 07-10-2002
Originally posted by Cameron
mt - reports device is busy.
What the heck is camcontrol ???
camcontrol is a SCSI control program. After a few cursory Google searches it would appear that it is only available under *BSD. It gives the root user the ability to control a SCSI device and shutdown/powerup/add/detch/etc.

Maybe there is something equivilent under SCO for SCSI sub-system control?

But as Perderabo mentioned, if the TBU is external you could just cut power to it and let the process err out (which the hopes that this would not be a cascading failure to some other sub-system, but that is probably just my own paranoia kicking in).
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