Multiple SAP instance on single server.

Hello Experts.
We are in process of implementaing SAP solution withLandscpe having systems ECC 6.0, SolMan 4.0, BI. We are planning to have 3 Sytem landscape for all.
Now but currently we are having only one Physical server
Is it possible to Install 6 SAP system on single server?(DEV and QAS for ECC, Solman, BI respectively). The server is having sufficient hardware for 6 system as per sap standered. Planne OS is RHEL and DB MaxDB. Initially we are having 16 GB RAM extendable.
Will SAP support such kind of landscape?

Hello,
We did not put 6 systems on the same server but we are running fine with 4 systems (R/3, XI, BI) on one server (8 itanium, 32 GB ram).
16 GB seems very small for 6 systems...
Don't forget that beside the obvioous economy, they are also big cons with mutualization.
When the server crashes because of a hardware failure, all of your landscape is out and the phone rings a lot.
When you need a reboot for one system, you have to stop all the others...
Good luck !
Regards,
Olivier

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