Re: AW: TSM only reads from COPY1 during DB backup

On Apr 26, 2007, at 4:02 AM, Salak Juraj wrote: Hello Richard! I understand your arguments are "either veracity or performance". I believe the point you possibly oversee is that if db reads were made from both sides of the mirror then db backup performance would (with high probabilty) signifi

AW: TSM only reads from COPY1 during DB backup

I don´t think one can generally state that. If it were generally true than raid-1 controllers would have generally to be configured to read from one disk only in order , to paraphrase your words, not to cancell all gains obtained with disk-embedded read-ahead algorhytmus I believe such tes

AW: TSM only reads from COPY1 during DB backup

Hello Richard! I understand your arguments are "either veracity or performance". I believe the point you possibly oversee is that if db reads were made from both sides of the mirror then db backup performance would (with high probabilty) significantly rise without harming database veracity. Ho

AW: TSM only reads from COPY1 during DB backup

Richard, I would say you can do it good (TSM) or better as suposed by Orville. I do not see any reason why TSM should not take advantage of the mirrored disk's for db reading. Regards Stefan Holzwarth > -Ursprüngliche Nachricht- > Von: ADSM: Dist Stor Manager [mailto:[EMAIL PROTECTED]