Re: DS4100 config for TSM DB

2006-11-03 Thread Timo Scheller
Hi Dave, maybe that helps you also: http://www.redbooks.ibm.com/redbooks/pdfs/sg246363.pdf Performance and Tuning Guide DS4000 Family Then Chapter 5, tuning with typical application 5.4 IBM Tivoli Storage Manager Timo Dave Canan schrieb: For a database LUN, I would choose a segme

Re: DS4100 config for TSM DB

2006-11-02 Thread Dave Canan
For a database LUN, I would choose a segment size as small as you can go. I believe the smallest that is allowed is 8K. The database usually has random read and writes of a 4KB page. For the cache read ahead, you can actually turn this off by setting it to a value of 0. Hopefully,

DS4100 config for TSM DB

2006-11-02 Thread Gilbert, Guillaume
Hi Server 5.3.3.3 on Windows 2003 My TSM db currently resides on a DS4100 (FASTT600) on 146GB drives configured in RAID1. What is the best configuration for segment size and cache read ahead for the database LUN? Thanks! Guillaume Gilbert Storage Architect Storage Group, Sun Microsystems [EMAIL