>I'm getting the following error from an NT TSM client (v 5.1.6) using TDP for 
>MS
>SQL:
>
>01/23/2004 10:08:08 ACO5436E A failure occurred on stripe number (0), rc = 418
>01/23/2004 10:08:08 ANS1311E (RC11)   Server out of data storage space
>
>The TSM server (AIX 4.3.3 ML10, TSM 5.1.6) has sufficient primary storage pool
>space (350 GB) to handle this backup request (70 GBs) but I'm still getting the
>error. I'm using "disk caching" on my primary storage pool. Has anyone
>encountered a situation where disk caching would cause an incorrect calculation
>of available storage pool space???

Yes; you'll find many postings in the List archives.
See the message ANS1311E summary in http://people.bu.edu/rbs/ADSM.QuickFacts