topic Re: fbackup error in Operating System - HP-UX

fbackup error

M.Thomas — Wed, 28 Feb 2007 15:48:02 GMT

i know i have used /dev/rmt/0m to backup all thses days. now it says it is not a valid device. if i try to give /dev/rmt/0mn same result. ioscan -fnC tape looks fine. what could be the issue?

Thanks

Thomas

Re: fbackup error

Robert-Jan Goossens — Wed, 28 Feb 2007 16:01:19 GMT

Hi Thomas,

Could you post the output of

# ll /dev/rmt/0mn

Regards,
Robert-Jan

Re: fbackup error

M.Thomas — Wed, 28 Feb 2007 16:42:00 GMT

here it is

crw-rw-rw- 2 bin bin 205 0x010040 Jan 26 12:04 /dev/rmt/0mn

crw-rw-rw- 2 bin bin 205 0x010000 Jan 24 17:18 /dev/rmt/0m

Thanks

Thomas

Re: fbackup error

ArvindMenon — Wed, 28 Feb 2007 16:54:53 GMT

Hi,

Could you paste the excat error message.

Regards
Arvind

Re: fbackup error

A. Clay Stephenson — Wed, 28 Feb 2007 17:08:31 GMT

Ioscan is hardly a definitive test for a device. I would try doing a tar, cpio, or dd to the tape drive. If those fail, chances are that you have hardware problems. Of course, you may be doing soomething as simple as trying to write to a write-protected medium. The exact error message of dd is probably the most direct diagnostic you have. It would also be helpful to "echo ${?}" immediately after dd finishes as that will be the exit status of the command and should be the errno value of the last failed system call.

Re: fbackup error

M.Thomas — Wed, 28 Feb 2007 18:01:45 GMT

i did dd if=/etc/hosts of=/dev/rmt/0m and it comes back with /dev/rmt/0m no such device or address
dd:cannot create /dev/rmt/0m

Thanks

Thomas

Re: fbackup error

Reshma Malusare — Wed, 28 Feb 2007 19:44:00 GMT

Hi Thomas,
Read following forums:

http://forums1.itrc.hp.com/service/forums/questionanswer.do?threadId=1063845

Re: fbackup error

DCE — Wed, 28 Feb 2007 20:24:43 GMT

You could try rmsf -H

to remove the devicefiles

Then insf -H

to recreate them

Re: fbackup error

Bill Hassell — Wed, 28 Feb 2007 21:19:56 GMT

No such device...

indicates that tyhe tape drive is not working right. Search for all tape drives with:

ioscan -fnC tape

then ask for status with:

mt -f /dev/rmt/... status

No response indicates bad cable, connectors, no terminators, bad mapping on a SAN system, etc