Monday, November 21, 2022

New Release: RHEL 9.1 on IBM zSystems

After releasing RHEL 8.7 a week before, Red Hat now published RHEL 9.1, see the press release here! It ships, among others:

  • QEMU v7.0
  • libvirt v8.5

Note that RHEL9.1 is NOT an EUS (Extended Update Support) release, so it will go out of support with the GA of RHEL 9.2. For details, please see the "Red Hat Enterprise Linux Life Cycle" here.


IBM Cloud Infrastructure Center 1.1.6 with several KVM on IBM zSystems enhancements

The new version if IBM Cloud Infrastructure Center is available and has several improvements for KVM on IBM zSystems:

    • Consistency group and group snapshots
    • Security group on Red Hat KVM
    • Hybrid hypervisor support
    • Virtual machine backup and restore on KVM
    • Performance enhancement in Day2 operations
    • Visualization of network related components


Friday, November 18, 2022

Documentation: Red Hat High Availability

Our solution assurance team published a new paper, providing guidance together with hints and tricks and practical examples to help you configure and use the Red Hat Enterprise Linux High Availability Add-on (Red Hat HA).

You can access the paper here.

Sunday, November 13, 2022

New Release: RHEL 8.7 on IBM zSystems

RHEL 8.7 is out, see the blog entry here! It ships, among others:

  • QEMU v6.2, supporting virtio-fs on IBM Z
  • libvirt v8.0

For a detailed list of Linux on Z-specific changes, see the release notes.

Tuesday, October 25, 2022

New Release: Ubuntu 22.10

Canonical released a new version of their Ubuntu server offering Ubuntu Server 22.10!

One of the highlights is the addition of a new feature providing Secure Execution attestation.

See the announcement on the mailing list here, and the blog entry at Canonical with Z-specific highlights here.

Tuesday, July 19, 2022

Persistent configuration of crypto passthrough

Are you using CryptoExpress cards with KVM on IBM zSystems or LinuxONE? Sebastian Mitterle has a very good overview on how to make crypto device passthrough persistent.

http://learningbytesting.mathume.com/2022/07/persistent-crypto-device-passthrough-on.html