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Let’s use a typical standalone BPC application server for example:

 

OS: Windows 2008 server R2

Number of CPU Cores: 20

Memory: 64 GB

Number of work process: 100

 

If there is no other large application installed on this server, typical size required for your BPC 10 NW application server would be like:

 

Mid-Low Range (GB)

Mid-High Range (GB)

OS/Program files/User folder

20

30

OS Page file

38.5 105.7

Temp installation files/Patch Upgrade/Transport logs/Etc

20

40

SAP BPC 10 NW Folder

20

40

Multiple UJBR backup file/

Transaction data export

10

20

ST12 Traces/SQL traces:

2MB per trace* (500-1000 traces)

1

2

Work process traces (high trace level):

30MB per trace * 100 work processes

3

3

SQLDBC traces:

20MB per trace * (100- 200 traces)

2

4

Others Programs/Files/Free space

25

50

Total Size

139.5 294.7

 

 

For calculation of page file requirement, please refer to document “Virtual Memory Required by SAP System Components”

http://scn.sap.com/docs/DOC-41587

 

SAP System components Virtual Memory Needed GB
Central Instance 500MB+ 1 to 2 times PHYS_MEMSIZE+ 2.5GB + 250MB Per work process 92-156
SAP Agent(SMD, SAP Host Agent) Approx. 300 MB 0.3
Operating system 5 to 10% of RAM of physical host, minimum 3 GB 3.2- 6.4

MDX Parser

(For BPC/BW system)

250MB per process * 20? 5

Third-party applications

(backup programs, hardware agents, etc.)

Depends on third-party application 2
Total virtual memory needed Total sum of virtual memory 102.5 -169.7
Page file size needed Total virtual memory – RAM 38.5   – 105.7

 

So from the calculation above, hard drive size requirement for a typical BPC application server is between 140-300 GB. For larger BPC server, you have to increase size of hard drive requirement.

 

I would recommend go for 500 GB if you have very limited knowledge about your feature need and system maintenance work.

 

200 – 320 GB hard drive may work well if you know what you need and how to manage your BPC application server.

 

Fixed Hard Drive Size <200 GB is not recommenced. Cost of hard drive is a relative small percentage in the server, do not make mistake here.

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