Failed to open tape device /dev/rmt/0mn:Permission denied (errno=13)

[Josh Wilson]

I am working with an HP9000 System. (HP-UX 11.00) and am trying to create an ignite tape backup of my system.

When I type:
make_tape_recovery -x inc_entire=vg00
it reports back an error stating that it failed to open tape device /dev/rmt/0mn.

When I perform an "ioscan -fnC tape" my devices show /dev/rmt/0mn in the list.

Can anyone help me? (Additional info and command output is attached.)

[Steven E. Protter · Accepted solution]

most common cause:
no tape
write tab wrong on tape

SEP

[G. Vrijhoeven]

Hi,

Might be a stupid question, but is the tape write protected?

Gideon

[Maxpert IT Service Cent]

In the ioscan list - /dev/rmt/0mn has status CLAIMED?
If not there is something wrong with the Hardware.

Try also a "diskinfo /dev/rmt/0mn" - what is the result?

A tape in inserted to the drive I assume :)

[Josh Wilson]

Well don't I feel daft. The tape was, in fact, write protected. After spending hours working on this server this weekend and applying the appropriate patches so that I could even use Ignite, I failed to check the tape's write tab.

Thanks a bunch for helping me solve this apparently trivial issue.