On Wed, Oct 20, 2021 at 8:53 AM Sandro Bonazzola <sbonazzo@redhat.com> wrote:
Il giorno mar 19 ott 2021 alle ore 17:29 Marcos Sungaila <marcos.sungaila@oracle.com> ha scritto:Hello,
I’m trying to understand where the Cluster Compatibility version is defined and which commands are supported in each version.
I’m inspecting the ovirt-engine, libvirt, and vdsm source code, but I imagine there is any paper or webpage where it is defined. At least a list with features or commands, something like this.
I searched this list and found pretty old messages, but no clue on this topic.
There is not a single place in the source code where you can see a connection between feature availability and cluster level. The best way is to take a look at relevant RFE in Bugzilla, which introduces a new cluster level and there take a look at dependent RFEs/bugs:
1933974
- [RFE] Introduce Datacenter and cluster level 4.6
1669178
- [RFE] Q35 SecureBoot - Add ability to preserve variable store certificates.
1688177
- [RFE] [SR-IOV] [Tech Preview RHV 4.4.6] Migration should not require downtime as of today
1906074
- [RFE] Support disks copy between regular and managed block storage domains
1927718
- [RFE] Provide Reset option for VMs
1950752
- [RFE][CBT] redefine only the checkpoint that the backup is taken from and not the entire chain
1821199
- HP VM fails to migrate between identical hosts (the same cpu flags) not supporting TSC.
1834250
- CPU hotplug on UEFI VM causes VM reboot
1892800
- NVDIMM: VM hangs in wait for launch for more than 7 minutes before VM is up.
1936163
- Enable bochs-display for UEFI guests by default
1936164
- Enable KVM Software TPM by default
1877675
- [RFE] Introduce Datacenter and cluster level 4.5
1725166
- [RFE] Private VLAN / port isolation
1745024
- [RFE] Enabling Icelake new NIs - RHV
1836661
- [RFE] GET diskattachments for a VM using qemu-guest-agent is missing a logical_name for disks without monted file-system
1814565
- Report disk.usage for VMs with RHEL 8 guests
1852718
- vGPU: VM failed to run with mdev_type instance
1853194
- VM with disk on iscsi on
environment with SELinux enforced fails to start on host - Exit message:
Wake up from hibernation failed:internal error: child reported
(status=125): unable to set security context
1876605
- VM with scsi hostdev (scsi_generic custom property) fails on start:'node-name too long for qemu'
Also not all features depend on cluster level, so there can be new features introduced in some particular oVirt version which will start working for all existing cluster levels.
That's why every new feature is announced in the release notes for a particular oVirt version.
Regards,
Martin
_______________________________________________
Regards,
Marcos
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--Sandro Bonazzola
MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV
