z/OS agent requirements

This topic describes the requirements for the z/OS agent.

Software requirements

z/OS version	z/OS V2R2 and later
Java version	Java 8 64-bit SR6 FP25 and later, with JZOS setup complete
Maintenance level	IBM APAR OA52913—Required for archive using SMS attributes IBM APAR OA58743—(Optional) To fix possible S878 agent abends IBM APAR OA58113—For DFDSS restore of extended format data sets IBM APAR OA61175—For DFDSS when working with encrypted data sets IBM APAR OA66423—To fix the two second delay for API invoked calls in 3.1
z/OS Common Service Area (CSA)	(For Cloud Data Sets) Minimum of 100 KB below-the-line memory in the CSA storage area

Hardware requirements

Memory	1 GB per LPAR Best practice For high performance, we recommend the production level is 4 GB or higher.
DASD space	Minimum 200 cylinders for a BMC AMI Cloud ZFS allocation

Security requirements

Permissions of user running installation process	OMVS SEGMENT defined

Network requirements

TCP/IP MTU size	Minimum 1492 Use the NETSTAT GATE command to check the defined MTU size. It is noted in column pkt sz of the default line.
Firewall	If any z/OS based firewall solution is in effect (such as PAGENT), make sure to allow the agent's communication

Verifying z/OS agent requirements

Use the verification scripts that were supplied with the installation package to verify that the z/OS system is ready for installation and that all the requirements are satisfied.

The scripts verify the following requirements:

Java version
Status of the RACF class PROGRAM
Availability of network ports
Firewall rules permitting access to target storage

You must supply the following information to run the script:

z/OS Java home directory
Temporary work directory
Object storage IP/DNS and port

To run the verification script:

Upload the z/OS verification JCL from VerificationScripts.zip under /PrereqsScripts/zOS. Use the ASCII transfer type.

Edit the JCL according to the instructions in the comment. Submit and review the return code (RC) and messages in SYSTSPRT DD.

RC	Explanation
0	All verification tests ended successfully.
4	One of the following messages is displayed: RACF CLASS PROGRAM is active Object storage connectivity was refused (port might be down).
8	One of the following messages is displayed: Java version not compatible Path not valid Object storage is unavailable
16	Java version did not print any output.