IBM Z Hardware and Operating Systems Ideas Portal


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My ideas: BCP_IOS

Enhancement for VARY PATH command to allow CHPID Ranges

For maintenance purpose we must handle a large amount of Paths to our CF LPARs. Some commands looks like the following: VARY PATH(CFxx,90,CFxx,91,CFxx,92,CFxx,93,CFxx,94,CFxx,95,CFxx,96,CFxx,97,CFxx,98),OFFLINE to make this handling a little bit l...
about 1 month ago in z/OS / BCP_IOS Under review

IBM zEDC to increase max length of output buffer to more than 1 MB

In IBM cloud tape connector(CTC) product , we use the zEDC callable service FPZ4ABC to compress data. This service supports a maximum input and output buffer size of 1 MB. For performance reasons, CTC always invokes this service with the maximum i...
about 2 months ago in z/OS / BCP_IOS Under review

GDPS Monitoring of Path Availability to Metro Mirror secondary Devices

Availability of channel paths to Metro Mirror secondary devices is crucial in the context of a GDPS HyperSwap. Currently it is possible even with a GDPS planned HyperSwap to swap from devices connected via 8 paths to devices connected via only 1 p...
almost 6 years ago in z/OS / BCP_IOS Future consideration

IO Timing Facility - Page Devices Support

We previously submitted an RFE for I/O Timing Facility (IOT) Page devices support.RFE : https://www.ibm.com/developerworks/rfe/execute?use_case=viewRfe&CR_ID=49685 When we submitted this RFE, we expected the system to enter the non-restartable...
almost 5 years ago in z/OS / BCP_IOS Future consideration

Allow changing a internal MIH value set by MODULE IOSVDPDR and IOSRRRSV

There are some Japanese banking customers who issue VARY dddd,OFFLINE,FORCE command when an I/O timeout occurs on a device which have a redundancy by software (ie. IMS OLDS). As a result, these devices for being no-response are separated out and a...
almost 5 years ago in z/OS / BCP_IOS Future consideration

The ability to choose which LPAR is designated the Master in a z/OS Basic HyperSwap Session where multiple LPARs of a Sysplex are active in that HyperSwap Session via parmlib member.

I want the ability to designate a specific LPAR to be the Master in a Basic HyperSwap environment via a parmlib member. Right now, I just go to the LPAR which I would like to be the Master and then just issue a ro *other,p hsib and wait for the *I...
about 2 years ago in z/OS / BCP_IOS Future consideration

z/OS - Expand DISPLAY IOS to display all possible settings from IECIOSxx

Currently, not all values can be checked/display once updated. In 2010 I opened PMR 32372,070,724 and on conclusion it was stated, "I created MR051110250 for the missing DISPLAY of MSGONLY setting.", but it's not yet implemented. Case TS013583156 ...
almost 3 years ago in z/OS / BCP_IOS Future consideration

IMPROVED METHOD TO REMOVE PATHS

We did the test to verify the effect of RECOVERY PATH_SCOPE=CU. The test case of one path busy got the expected result. 2-3 seconds after 'VARY ONLINE', the path of all devices under the same CU got offline. However, the two paths busy case did no...
almost 7 years ago in z/OS / BCP_IOS Future consideration

Enable SRB during IODF (soft) Activate

Activating a new IODF can be a time-consuming process, especially when dealing with multiple sysplexes from different customers distributed across all CPCs that require activation. The process involves distributing the IODF to all sysplexes and pe...
8 months ago in z/OS / BCP_IOS Future consideration

SPOF health checker support for multivolume datasets and provide selection pattern

1) for DB2 LOGCOPY it is recommended to allocate a stripe format dataset The SPOF health checker should check that all of the volumes for DSN1 are on different CUs than for DSN2 Example : Disk Controller : CU1 with Volser V1, V2 and CU2 with Volse...
over 2 years ago in z/OS / BCP_IOS Future consideration

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