[HPADM] CD-ROM read problem + /dev/rdsk file recreation - HP-UX 10.20

From: Scott Adderson (EMP) (Scott.Adderson@eml.ericsson.se)
Date: Fri Jan 31 2003 - 09:41:01 EST


Hi Admins,

I'm installing some software on a few C3000 workstations running 10.20 (Dec 99 core OS with June 2000 support plus bundles installed) from an HP-UX applications CD.

On one machine only, it returns an I/O error when trying to mount the CD-ROM. The monitoring system then sends a report to me telling me it can't read the table of contents on the CD and suggests I use a new CD. The CD will mount and read perfectly in the other workstations, so I'm suspecting either some sort of bug or the CD-ROM reader is broken...? Any thoughts on how to check or fix appreciated.

(...and as it's Friday...!) While trying various things later on to check I was mounting the CD properly, I got fat fingers and managed to delete the character device file for the CD-ROM at /dev/rdsk/c0t0d0 as well as it's link name. ioscan reports the device OK, but it only lists the block device file at /dev/dsk/c0t0d0 now. Is there any way I can recreate the file without rebuilding the OS?

TIA, I will summarise...

Scott
> ---------------------------------------------
> Scott Adderson
> Senior Engineer, Unix & CAD Support
Ericsson Global IS/IT.

Ericsson Mobile Communications (UK)
> scott.adderson@eml.ericsson.se
>

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