IBM Z Hardware and Operating Systems Ideas Portal


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z/VM

Showing 378

RSCS support for IPv6

RSCS support for IPv6 would allow US Government agencies to continue to use z/VM with RSCS and would bring RSCS into compliance with Office of Management and Budget mandates for products to support IPv6. This would benefit all z/VM customers as it...
about 2 years ago in z/VM 0 Future consideration

Add flash memory to z/VM paging

The idea is to enable z / VM to use the flash memory as paging area system instead of dasd disks to increase agility.
over 8 years ago in z/VM 1 Future consideration

Increase limit for z/VM VSwitch HiperSocket Bridge Port connectivity to LPAR

Customer environment uses VSWITCH with a hipersocket bridge and OSA to use a single network that spans CECs. In z/VM 720 the maximum is four LPARs per CEC that can connect to the hipersocket bridge. At DND each CEC has between eight to twelve zVM ...
over 2 years ago in z/VM 1 Future consideration

GDPS z/VM online/offline volumes hindering an ENABLED HYPERSWAP status

We have a GDPS environment with z/OS and z/VM and we are testing such that we have both participating in HYPERSWAP. The z/VM has a list of volumes for z/VM's use and those volumes are known to both z/OS and z/VM but z/OS volumes are only ever brou...
over 4 years ago in z/VM 1 Future consideration

Set system-wide indication that CMS products and configuration files in SFS are preferred,

Provide a method to indicate whether CMS and CP sources and CMS products are installed in SFS (rather than minidisk) and access a SFS directory in place of configuration minidisks when required.
over 2 years ago in z/VM 1 Not under consideration

RVARY password reply handling should be changed

When issuing RVARYPW (reply after having issued rvary command) it is displayed in clear text in operator's console log. This is a big difference to z/OS reply handling and should be changed in z/VM. The input to this reply should be hidden to avoi...
about 8 years ago in z/VM 0 Future consideration

Improve LDAPSRCH performance in z/VM

We use LDAPSRCH to query our enterprise identity management system from z/VM applications to gather required information. The z/VM version LDAPSRCH is extremely slow, taking around 3 seconds for a simple query. The identical query runs <.5 seco...
over 3 years ago in z/VM 0 Future consideration

Displaying configured cipher suites in configured order under SYSTEM DTCPARMS.

Specifying a preferred order of cipher suites under SYSTEM DTCPARMS is not the exact order that is displayed from z/VM systems. The 'ssla q status details' command list an order that is not configured. Even presenting the cipher suites order to ne...
almost 2 years ago in z/VM 0 Future consideration

zVM with more logs - more verbose

System: zVM Actor: System Description: We have recently discovered that vswitch is discarding many packets when its buffer bursts, however, this has not been alarmed anywhere. We need the system to be able to send these and other network error mes...
over 6 years ago in z/VM 0 Future consideration

Enhance applmsg/dmsmsg macro to not require a base register

The APPLMSG macro uses the DMSMSG macro which generates code that unnecessarily requires a base register. See attached macro expansion. The red instruction is the one that causes a base register to be required. The MVC is badly coded, there's no n...
about 7 years ago in z/VM 2 Future consideration

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