IBM Z Hardware and Operating Systems Ideas Portal


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Container Extensions (zCX)

    Showing 41

    zCX: Provide Sysplex Distributor Support for High Availability

    Currently zCX only supports Dynamic VIPAs, no Sysplex Distributor support is available. In case of a Docker Swarm, or even a Single zCX Container within one zCX, there is a timing window in that the application within the Container is not availabl...
    over 4 years ago in z/OS / Container Extensions (zCX) 5 Future consideration

    Unable to connect to z/OS Container Extension(zCX) from the WAN

    The zCX default bridge subnet 172.17.0.0/16 causes conflicts (sometimes and always in our case) to the WAN workstations IP addresses. We request an enhancement or user customisation to avoid subnet conflicts when identified.
    over 4 years ago in z/OS / Container Extensions (zCX) 0 Future consideration

    zCX SSH x11 forwarding using xauth & magic cookie

    In our shop x11 to the X-Server running on our personal PC is blocked by the firewall for security reasons. For this reason we've to use x11 forwarding with magic cookie & xauth session authentication. Also, X11UseLocalhost no have to be speci...
    over 4 years ago in z/OS / Container Extensions (zCX) 0 Future consideration

    zCX restart capability

    Provide the ability to restart zCX. E-mails have been sent to the zCX team.
    almost 5 years ago in z/OS / Container Extensions (zCX) 0 Future consideration

    zCX: Personal and technical Userids mustn't be in the same group / results in workflow failures / rerunability

    The zCX workflow says for the SAF group to be specified during provisioning: "Specify an existing SAF group name to allow that group access to this IBM z/OS Container Extensions appliance instance directory. The provisioning user of this IBM zCX a...
    almost 5 years ago in z/OS / Container Extensions (zCX) 0 Future consideration

    sudo incidents should be reported

    If a user, that is not in the sudo group tries to issue a sudo it looks like this: user@server:~$ sudo mkdir /test[sudo] password for user:user is not in the sudoers file. This incident will be reported. But as I was told in case TS004442144 this ...
    about 5 years ago in z/OS / Container Extensions (zCX) 0 Future consideration

    Command to display zCX memory SWAP, DATA and ROOT space usage

    There is no command to display how much memory the zCX started task is using, or how much space is being used of the ROOT dataset; determining usage of SWAP and DATA is also difficult.This is separate from the within-docker commands to display ind...
    about 5 years ago in z/OS / Container Extensions (zCX) 0 Future consideration

    zCX Support combined LFAREA usage (2G/1M) if not enough LFAREA is available within one type

    Currently, zCX supports the use of LFAREA. This reduces the overhead for TLB and increases performance for zCX. If zCX is configured to use LFAREA and there is not enough LFAREA available within one range (2GB, 1MB) then zCX falls back to 4K what ...
    over 5 years ago in z/OS / Container Extensions (zCX) 0 Future consideration

    RMF subtype to capture resource usage metrics for zCX runtime and zCX containers

    Current zCX workloads can only be measured and controlled by WLM from z/OS perspective. It does not have correlated data points between GP/zIIP utilization going thru container's utilization within zCX. It would be very helpful to understand how m...
    over 5 years ago in z/OS / Container Extensions (zCX) 1 Future consideration

    Ability to send message to zOS Syslog from Docker container in zCX

    In an attempt avoid custom code running on the z/OS side I'm simply using fluentd to format the messages then write them out to the USS syslog, which in turn is set to write them to the console. They're being written out fine but are all preceded ...
    over 5 years ago in z/OS / Container Extensions (zCX) 3 Future consideration

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