Hi, all of the 3 servers are the same witht he same hardware but i don t have SAN storage i have SAS Storage.

Schadenfreude-Mei: thx you very much for the valuable information.

GilaMonster i know that clustering is not for performence but i mention that cause i will use the third server for reporting...

Thx For your replay.

what i m trying to do is that i need to cluster the database for recovery at the same time with performance.

we are running a big project...