Catalog backup causes error (Disk storage server is down(2106))

Hi all,

Here is my issue:

I had a Solaris 10 server running Netbackup 6.5.5.  catalog backups were performed to a local (basic Disk) volume pool on the master server (local/cat-backup)

I never had any issues with this setup unti now, I just upgraded the system to Netbackup 7.5.0.3. now I can't do catalog backups to this volume pool, I get this error

Disk storage server is down(2106)

I checked the disk and is fine, I deleted the storage and recreated but still can't backup to this location.

any ideas?

Thanks