According to
http://www.microsoft.com/technet/prodtechnol/sql/2000/maintain/sqlIObasics.mspx
Torn I/O Prevention (Split I/Os)
For SQL Server, the 8-KB blocks need to be handled as a single block of data. Systems that split I/Os must be configured to avoid splitting I/O requests ...

What need to be done to speed up a SQL Server 2000 delete statement?
These are the premises:
-table row count is about 1.2 million
-table field count is 85, and about 15-20 of these are indexed

after reading this document:
http://research.microsoft.com/~Gray/talks/Storage_Bricks_For_Data_Mining.ppt
I have a question.
in the slides (near the end of the PPT), they talk about setup 1 file group