Installing two OBIEE instances on One RCU Schemas

Hello ,
I need some help.
I am planning to install Database(DB1) on one machine and OBIEE(OB1) on the other machine and OBIEE 2(OB2) will be my back up machine for disater recovery.
First i will install OB1 by using the DB1 and that works fine.
now i can i use the same DB1 for installing OB2.?
if not please suggest me a way to make this work.
Please help me out
Thanks.

Hello,
While it is possible to share the MDS schema,
you have to create one BIPLATORM schema for each instance you install !
You can refer to http://docs.oracle.com/cd/E23943_01/bi.1111/e10539/c3_requrmnts.htm#BABBICDA for details...
Kind Regards,
Roman

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