Linked by Thom Holwerda on Wed 1st Jul 2009 19:09 UTC
"Red Hat today officially announced the beta availability of Red Hat Enterprise Linux 5.4, which in my view is a lot more than a typical point release. Sure we're all waiting for the big RHEL 6 release, but there are some major changes in RHEL 5.4. The most obvious change is the shift to the KVM hypervisor (as opposed to Xen). Xen is still in RHEL, but with RHEL 5.4, Red Hat is signaling its intention that KVM (eventually) is to be Red Hat's preferred Hypervisor. It's a preference that Red Hat execs have indicated at multiple points this year and should be no surprise since Red Hat now owns lead KVM vendor Qumranet."
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Member since:
2005-07-06
I'm using CentOS 5.3 (aka the "free" version of RHEL 5.3) at the moment and its kvm release is woefully old (kvm-36, qemu-0.9.0, libvirt-0.3.3, virt-manager-0.5.3). Considering that Red Hat bought Qumranet and made a big splash about virtualisation in RHEL 5, it's astonishing that the various KVM components are so ancient (anything up to 18 months old!), especially since they had chances to update them with RHEL 5.1, 5.2 or 5.3 and simply didn't.
Current versions are kvm-87 (yes, 51 releases after the one shipped with the current RHEL 5.3!), qemu-0.10.5, libvirt-0.6.4 and virt-manager-0.7.0. If RHEL 5.4 doesn't ship with those versions or something very close to them, then I will be staggered (again!).
Because of this stagnation, I find I cannot use KVM "as is" in the current RHEL 5.3/CentOS 5.3 releases - it simply doesn't work well at all and it's currently an embarrassment that Red Hat need to address with the 5.4 release.