Status code 2001 No drives are available for this job

Hello,

last week i added 2 drives to SL8500 library. I reconfigured sg drivers on all media servers and all works properly, only one of the media servers is unable to use drives in another library SL500. The error message is:

Error nbjm (pid=1054) NBU status: 2001, EMM status: No drives are available
No drives are available for this job  (2001)

Netbackup is version 7.5.0.6 on SPARC Solaris 10.

I checked some recommended things:

- daemons running

- nbrbutil -dump

- devices

- sgscan

- once more reconfigure drivers

- restart of NetBackup on master server and on media server

All seems to be good. Drives are up and they are working on other media servers.

Could you help me please what other things should I check?

Thank you.