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Oracle® Enterprise Manager Cloud Control Basic Installation Guide
12c Release 2 (12.1.0.2)
E22624-20
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3 Meeting Hardware Requirements

This chapter describes the hardware requirements you must meet before installing Oracle Management Service (OMS), Oracle Management Agents (Management Agents), and Oracle Management Repository (Management Repository). In particular, this chapter covers the following:


Note:

The hardware requirements outlined in this chapter can relate to either physical or virtual hardware. If you are allocating virtual resources, you must ensure that the underlying physical hardware is not over subscribed and can support the allocated virtual resources.

CPU, RAM, Heap Size, and Hard Disk Space Requirements for OMS

Table 3-1 describes the CPU, physical memory (RAM), heap size, and hard disk space requirements for installing an OMS (including a Management Agent that comes with it).


Note:

If you plan to have the OMS and the Management Repository on the same host, then meet the requirements described in Table 3-1 and Table 3-2, and make sure the CPU, RAM, and hard disk space requirements are a combination of the values mentioned in both tables.

Table 3-1 CPU, RAM, Heap Size, and Hard Disk Space Requirements Per OMS


Small Medium Large

(1 OMS, <1000 Targets, <100 Agents, <10 Concurrent User Sessions)

(2 OMSes, >=1000 but <10,000 Targets, >=100 but <1000 Agents,>=10 but <25 Concurrent User Sessions)

(> 2 OMSes, >=10,000 Targets, >=1000 Agents, >=25 but <=50 Concurrent User Sessions)

CPU Cores/Host

2

4

8

RAM

6 GB

8 GB

16 GB

RAM with ADPFoot 1 , JVMDFoot 2 

8 GB

12 GB

20 GB

Oracle WebLogic Server JVM Heap Size

1.7 GB

4 GB

8 GB

Hard Disk SpaceFoot 3 

7 GB

7 GB

7 GB

Hard Disk Space with ADP, JVMD

10 GB

12 GB

14 GB


Footnote 1 ADP Manager is Application Dependency and Performance

Footnote 2 JVMD is JVM Diagnostics

Footnote 3 Without Oracle Software Library configured


Note:

While installing an additional OMS (by cloning an existing one), if you have installed BI publisher on the source host, then ensure that you have 7 GB of additional hard disk space on the destination host, so a total of 14 GB.

CPU, RAM, and Hard Disk Space Requirements for Management Agents

The following are the CPU, RAM, and hard disk space requirements for installing Management Agents.

CPU, RAM, and Hard Disk Space Requirements for Management Repository

Table 3-2 describes the RAM and the hard disk space requirements for configuring a Management Repository:


Note:

If you plan to have the Management Repository and the OMS on the same host, then meet the requirements described in Table 3-2 and Table 3-1, and make sure the CPU, RAM, and hard disk space requirements are a combination of the values mentioned in both tables.

Table 3-2 CPU, RAM, and Hard Disk Space Requirements for Management Repository


Small Medium Large

(1 OMS, <1000 Targets, <100 Agents, <10 Concurrent User Sessions)

(2 OMSes, >=1000 but <10,000 Targets, >=100 but <1000 Agents,>=10 but <25 Concurrent User Sessions)

(> 2 OMSes, >=10,000 Targets, >=1000 Agents, >=25 but <=50 Concurrent User Sessions)

CPU Cores/HostFoot 1 

2

4

8

RAM

6 GB

8 GB

16 GB

Hard Disk Space

50 GB

200 GB

400 GB


Footnote 1 For high availability, Oracle Real Application Cluster (Oracle RAC) database must be set up.