If you have OTM chaching enabled, this is probably the cause. There's a good 
bit of information here on 11 - system call failed errors:

http://www.backupcentral.com/foms/netbackup-serve/cache/150.html

There's also a tech note on the Veritas website:

http://seer.support.veritas.com/docs/180017.htm

HTH, 

Steve



On Thursday 09 January 2003 19:36, O'Shea, Don wrote:
> I have opened up a case with Veritas but I also thought I would throuw this
> out here also. I am runing nbu 3.4.1 on all Win2K servers. I have one
> client that has thousands of small 1K files. The backup kicks off and gets
> about 30,000 files backed up and then fails with a status of 11, system
> call failed. Does anyone here have any ideas as I am fresh out. I have
> turned on logging  on both the client and master so hopefully that will
> tell me something when the backup is tried later tonight.
>
> Thanks in advance for any support.
>
> Don O'Shea
> NT Support
> BCE Emergis Inc.
> (905)707-4000 Ext. 3765
> Fax: (905) 707-4329
> mailto:don.oshea AT emergis DOT com