In Microsoft Site, there is an article the show how
To backup sharepoint with a command line, 
U can integrate the dump of the sharepoint after the backup to TSM

AH 

-----Original Message-----
From: Stapleton, Mark [mailto:mark.stapleton AT BERBEE DOT COM] 
Sent: Monday, May 10, 2004 12:34 PM
To: ADSM-L AT VM.MARIST DOT EDU
Subject: Re: SharePointServer

From: ADSM: Dist Stor Manager [mailto:ADSM-L AT VM.MARIST DOT EDU] On Behalf Of
David Fainburg
>Does anybody know if there is a TSMclient for "Microsoft SharePoint
Portal
>Server 2003?

There isn't, but SharePoint creates MS-SQL-formatted file which can be
backed up with the TDP for SQL agent.

--
Mark Stapleton