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System z Server Time Protocol (STP) configuration support |
STP is the System z follow-on technology for the IBM External Time Reference (ETR) architecture. With APAR OA27772 for SA z/OS, you can exploit the support for this technology that is provided in the hardware interfaces of SE/HMC Consoles Version 2.10.1 or later.
The STP support in SA z/OS Processor Operations allows you to automate various Timer Network and STP configuration tasks as an alternative to the manual "System (Sysplex) Time" Configuration Task of the HMC.
Based on the functions described in System z Application Programming Interfaces (SB10-7030-11), the following Processor Operations common commands have been added or modified:
- STPDATA allows you to query the current settings of a STP timer network to identify the roles of the CPCs that are part of this network.
- The new hardware command, STP, can be used to change the Timer Network Configuration, or to change the CPC server roles in a Timer Network as part of a recovery action in order to keep CPCs and Timer Network highly available.
You can find more STP planning and implementation information in the following IBM Redbooks:
In addition to the STP support, APAR OA27772 also enhances the ProcOps TCDATA temporary capacity common command as follows:
- If a RECID (capacity record ID) LIST parameter is specified with the command, TCDATA displays a list of the capacity records that have been installed for the addressed CPC.
Finally the new common command, CONDATA, allows you to query specific SE/HMC settings, such as console version or the activated microcode level, which may be helpful for diagnostic purposes.
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