Help needed with sysconfigtab parms.

[^IT__MPG__UNIX__ADMIN@xxxxxxxxxxxxxxxxxxxxx (^IT_MPG_UNIX_ADMIN)]

     We are upgrading to R/3 4.6C at our site soon. The memory required by 
     the new release is approximately 3 times is what we are being told by 
     SAP. 
     
     What we are really trying to do is increase the amount of memory that 
     each R/3 work process can have. We tried this by bumping up the 
     shm_max in the ipc subsystem upto half of the physical memory. This 
     allowed for R/3 to allocate extended memory upto half of what shm_max 
     was set to. When we tried to go higher, we had issues with work 
     processes being unable to allocate memory(malloc errors). So we tried 
     bumping up the per process parameters but then we couldn't even bring 
     oracle up. Has anyone upgraded to R/3 V4.6 and faced similar 
     problems/issues? If someone has already been through this I'd 
     appreciate any and all help. I understand that the information 
     provided here leaves a lot more questions in mind and is to say the 
     least cryptic but I guess I don't really know what to say other than 
     that we don't have any problems while on the older release of R/3 but 
     the issue arises when we try to go to R/3 4.6C. Does anyone know of 
     any SAP sites/OSS notes that tell you exactly what to do?
     
     Tks & Rgds,
     
     
     Alay Shah
     Allegiance Healthcare Corporation
     1400 Waukegan Rd.
     McGaw Park, IL 60085
     Ph - 847-578-2584
     Fax - 847-578-5586
     Email - unixadmin@allegiance.net
     shahal@allegiance.net