We have a 16 GB at 65% filled. No mirroring, but we got a large performance hit after using the MVS stripping feature (every VSAM dataset spread over 16 volumes). The performance gain was about 30% for some large sql selects With regards Stefan Holzwarth > -----Ursprüngliche Nachricht----- > Von: Zoltan Forray/AC/VCU [mailto:[EMAIL PROTECTED]] > Gesendet am: Dienstag, 28. August 2001 19:57 > An: [EMAIL PROTECTED] > Betreff: TSM for OS/390 poll > > I am getting ready to reorganize my TSM on OS/390 > configuration and was > wondering how everyone else does it ? > > For those folks running TSM on OS/390: > > 1. Do you MIRROR your DB ? If not, why not ? > 2. Is/was there a noticable difference/benefit when you > first MIRRORed > the DB ? Or did you start out MIRRORed ? > 3. How big is your DB ? Mine is currently 17GB and > complaining about > being over 85% utilized > 4. What if any pitfalls/negatives to MIRRORed DBs ? > > =========================== > Zoltan Forray > Virginia Commonwealth University > University Computing Center > e-mail: [EMAIL PROTECTED] > voice: 804-828-4807 >