Scratch install vs. system restore for HA system

Hi All,
We are planning for a Mimix High Availability install and would like to know whether our initial install of the HA systems (R/3 in one LPAR and CRM/BW in another LPAR) should be full DR type restore or a new install of R/3, CRM, and BW. Lakeview has recommended a scratch install and we have a vague memory that change the server name on an already installed SAP system can cause problems. What type of install did you perform during your initial setup of the HA systems? Did you load your production database on the HA systems during the initial install or wait until you were ready to start replication?
TIA,
Stan

Hi Stan,
as Mimix "only" replicates the DB, a few libs and the IFS (or even not) and nothing of the rest of the system, I would not go for a full scratch install. I would start with a homogenious systemcopy with special things in it - e.g. my "easy homo copy" and then you need to discuss how you want to start the server with what IP names etc.
Most likely you want to switch host names - at least the logical hostname. So, the SAP profiles need to be adjusted.
But, I don't see any benefit (except additional effort) from a scratch install.
(you should ensure, that the GIDs and UIDs of the users are the same - this makes IFS easier)
Regards
Volker Gueldenpfennig, consolut.gmbh
http://www.consolut.de - http://www.4soi.de - http://www.easymarketplace.de

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