2 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:

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

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

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

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

Table 2-1 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 2-1 and Table 2-2, and make sure the CPU, RAM, and hard disk space requirements are a combination of the values mentioned in both tables.

Table 2-1 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.

• For a standalone Management Agent, ensure that you have 2 CPU cores per host, 512 MB of RAM, and 1 GB of free hard disk space.

• For a Master Agent, ensure that you have 2 CPU cores per host, 512 MB of RAM, and 1 GB of free hard disk space.

• For a Shared Agent, ensure that you have 2 CPU cores per host, 512 MB of RAM, and 15 MB of free hard disk space.

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

Table 2-2 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 2-2 and Table 2-1, and make sure the CPU, RAM, and hard disk space requirements are a combination of the values mentioned in both tables.

Table 2-2 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.