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rx-8640 does not see tape drive

 
dictum9
Super Advisor

rx-8640 does not see tape drive

I have a rx8640 that does not see an external tape drive.

I made sure the 'tape' entry is in the /stand/system kernel configuration file.

But ioscan -fnC tape produces nothing. I tried insf to no avail.

 

 

8 REPLIES
Steven Schweda
Honored Contributor

Re: rx-8640 does not see tape drive

> [...] an external tape drive.

   Not a very detailed description of anything, in particular, the tape
drive model, and how it's connected to which adapter in the system.
Output from "uname -a" seldom hurts, either.

> But ioscan -fnC tape produces nothing.

   Does a less selective report show the adapter to which the tape drive
is connected?

> I tried insf to no avail.

   As usual, a useful problem report would show exactly what you did,
and what happened whan you did it.  Vague descriptions, like "to no
avail" are more annoying than useful.

Bill Hassell
Honored Contributor

Re: rx-8640 does not see tape drive

What model tape drive did you connect? And how did you connect it? USB will never work and fibre connections require some setup. Is it SCSI? Did you use the correct cable? Is it on a bus with other devices? Is the SCSI chain terminated?



Bill Hassell, sysadmin
dictum9
Super Advisor

Re: rx-8640 does not see tape drive

11.31  

 

Tape drive: HP storageworks ultrium 960

 

It works on another rx-8640 but on this particular one.  I connect via SCSI interface. 

dictum9
Super Advisor

Re: rx-8640 does not see tape drive

No other devices are connected via SCSI.

 

Bill Hassell
Honored Contributor

Re: rx-8640 does not see tape drive

Did you add a terminator to the tape drive?
What version of HP-UX are you running? (hint: uname -a)

What is the hardware path for the SCSI card?
Please post the output from: ioscan -f



Bill Hassell, sysadmin
dictum9
Super Advisor

Re: rx-8640 does not see tape drive


I got it to see the tape drive. I tried the other SCSI interface (again), did insf -e and ioscan -fnC tape revealed the devices.

 

Weird, it has been iffy on and off.  With another machine also. You have to try multiple times, removing, installing the SCSI cable before it can see it.  

 

now I have to boot off the tape drive, it has  make_tape_recovery  image on it.

 

 

 

 

 

Bill Hassell
Honored Contributor

Re: rx-8640 does not see tape drive

Beware that most Integrity machines cannot boot from tape. You will probably have to make a bootable CD with the ignite itools program on it.


Bill Hassell, sysadmin
Steven Schweda
Honored Contributor

Re: rx-8640 does not see tape drive

> Weird, it has been iffy on and off. With another machine also. You
> have to try multiple times, removing, installing the SCSI cable before
> it can see it.

   Bad hardware can cause many symptoms.  If you're "removing,
installing" SCSI devices with the power on, without rebooting the OS,
then I might expect more problems.