ontape restore failing

Good morning everyone. I am trying to use ontape to restore some dbspaces and I am getting a weird message: / dd: 0511-051 The read failed. : There is not enough memory available now. 0+0 records in. 0+0 records out. Physical restore failed - function read archive backup failed code 1 errno 0 Program over. \\ The host is an IBM RS6000 running AIX 5.2. The engine is IDS 9.40.fc2. Also, the tape device in onconfig is configured as a remote device like so "system:/dev/rmt0" As I understand it, after the 9.2->9.4 upgrade, we had to change the tape device from rmt0 to the system name:rmt0 due to some problem that was occuring. This was done at support centers recomendation and I am going to call them back but I am dreading it because the archive guru I always get is so snotty. Anyone ever seen anything like this?