IBM Z Hardware and Operating Systems Ideas Portal


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z/VM

Showing 142

z/VM TCPIP utilities (PING FTP TELNET TRACERTE) use the first address returned from a DNS server. This may be an IPV6 address - if the originating system is only IPV4 the result is "EDC8118I Network is unreachable". This can be bypassed by using the ADDRTYPE arg but we would prefer smarter DNS lookup. z/OS and zLinux handle this without using ADDRTYPE.

See "Your idea".
over 1 year ago in z/VM 0 Future consideration

Install correct USER DIRECT when selecting non-SSI install

When installing zVM 7.3 we chose the option non-SSI install, but the USER DIRECT that was included is in the format of SSI/SSI Ready. This means that when companies grow their system beyond the very limited 8 nodes of SSI they will have to manuall...
over 1 year ago in z/VM 0 Future consideration

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...
over 1 year ago in z/VM 0 Future consideration

Provide a user authorization and permissions agent compatible with Red Hat FreeIPA

Red Hat is investing in creating a user and security based tool for identity management and open sourcing the result as FreeIPA (www.freeipa.org). I would like to suggest making a CMS client for FreeIPA to allow VM user management with FreeIPA. I ...
over 1 year ago in z/VM 0 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 ...
almost 2 years ago in z/VM 1 Future consideration

Enhance CMS abend handlers with 64 bit support

Now zCMS is becoming the default CMS, applications wanting to utilize 64 bits mode, can switch to AMODE 31 before calling a CMS API, but that is not true for abend handlers.Abend handlers are called with the same AMODE as they were initialzed, but...
almost 2 years ago in z/VM 0 Future consideration

CP directory statements USER and IDENTITY should allow at least 12 character passwords

In case of z/VM a recovery, where RACF is uninitialized or unresponsive, RACF defers the LOGON authorisation decision to z/VM. Which means that an 8 character CP directory password is used to logon to z/VM. These passwords are expected to be saved...
almost 2 years ago in z/VM 1 Future consideration

z/VM enhancement requested for z/OS GUESTS exploiting HYPERPAV

Extending the z/VM MSS (Multiple Subchannel Set) management to allow z/VM and its guests exploiting HyperPAV (e.g z/OS).REQUIRED for customers who are close to the 64K limit of UCB in SS0 of LCSS. More details in the attachement.
almost 2 years ago in z/VM 1 Future consideration

Implement the existing, but not yet supported, TLStimeout parameter for IUCV IOCTL socket calls

When using IUCV IOCTL calls, in particular SIOCSECCLIENT and SIOCSECSERVER to secure an established socket connection, I have seen cases where the call sits indefinitely with no response or failure. Because the documented TLStimeout has not been i...
almost 2 years ago in z/VM 3 Future consideration

Enable RoCE cards for LGR in SSI cluster

Customer needs possibility to use RoCE cards in a SSI cluster. But it was only possible to use the RoCE Express cards in SSI clusters by defining a singleton domain. However, NRBs usecase is to have relocatable z/VM guests (i.e. perform a live mig...
about 2 years ago in z/VM 0 Future consideration

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