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Full Discussion: C4 scsci Tape library not detectable after lustarter patching on solaris 10 u4
Homework and Emergencies Emergency UNIX and Linux Support C4 scsci Tape library not detectable after lustarter patching on solaris 10 u4 Post 302704779 by hicksd8 on Sunday 23rd of September 2012 07:50:20 AM
Old 09-23-2012
You mention that there is now nothing in /dev/rmt.

Numerous times I have seen a patching operation wipe out network gateway and default router files information but I have not seen it affect tape library configurations. However I guess that it's possible that the /dev/rmt 'special node' files are all that is missing. Do you have any other backup of this system other than on the library that you cannot communicate with? If so, you could try restoring /dev/rmt/*

If it's only the /dev/rmt device node that's missing you might just be able to communicate with the library again.

What backup software are you using? Do you know how the tape library was configured in the first place and where its configuration files are?

I know that NetBackup can lose communication with a library but NetBackup provides a button within to rescan for devices and doing that normally fixes things.

As others have mentioned, recheck firmware levels, et al. Also, no harm in continuing with the full recommended patchset.

Also, as someone else has said, what about the library device firmware level; perhaps that's too old.
 

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LEARN ABOUT LINUX

mkdevmaps

mkdevmaps(1M)                                             System Administration Commands                                             mkdevmaps(1M)

NAME

       mkdevmaps - make device_maps entries

SYNOPSIS

       /usr/sbin/mkdevmaps

DESCRIPTION

       The  mkdevmaps  command  writes  to standard out a set of device_maps(4) entries describing the system's frame buffer, audio, and removable
       media devices.

       The mkdevmaps command is used by the init.d(4) scripts to create or update the /etc/security/device_maps file.

       Entries are generated based on the device special files found in /dev. For the different  categories  of  devices,  the  mkdevmaps  command
       checks for the following files under /dev:

       audio           /dev/audio, /dev/audioctl, /dev/sound/...
       tape            /dev/rst*, /dev/nrst*, /dev/rmt/...
       floppy          /dev/diskette, /dev/fd*, /dev/rdiskette, /dev/rfd*
       removable disk  /dev/dsk/c0t?d0s?, /dev/rdsk/c0t?d0s?
       frame buffer    /dev/fb

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+
       |Interface Stability          |Obsolete                     |
       +-----------------------------+-----------------------------+

SEE ALSO

       allocate(1), bsmconv(1M), attributes(5)

NOTES

       mkdevmaps might not be supported in a future release of the Solaris operating system.

SunOS 5.10                                                          8 Oct 2003                                                       mkdevmaps(1M)
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