You have to put all hosts in the cluster to maintenance mode first, then
you can change the compat version.
On 2020-12-10 11:09, Gianluca Cecchi wrote:
Hello,
my engine is 4.4.3.12-1.el8 and my 3 oVirt nodes (based on plain CentOS due to megaraid_sas kernel module needed) have been updated, bringing them to CentOS 8.3.
But if I try to put cluster into 4.5 I get the error:
"
Error while executing action: Cannot change Cluster Compatibility Version to higher version when there are active Hosts with lower version.
-Please move Host ov300, ov301, ov200 with lower version to maintenance first.
"
Do I have to wait until final 4.4.4 or what is the problem?
Does 4.5 gives anything more apart the second number... (joking..)?
On nodes:
Software
OS Version: RHEL - 8.3 - 1.2011.el8
OS Description: CentOS Linux 8
Kernel Version: 4.18.0 - 240.1.1.el8_3.x86_64
KVM Version: 4.2.0 - 34.module_el8.3.0+555+a55c8938
LIBVIRT Version: libvirt-6.0.0-28.module_el8.3.0+555+a55c8938
VDSM Version: vdsm-4.40.35.1-1.el8
SPICE Version: 0.14.3 - 3.el8
GlusterFS Version: [N/A]
CEPH Version: librbd1-12.2.7-9.el8
Open vSwitch Version: [N/A]
Nmstate Version: nmstate-0.3.6-2.el8
Kernel Features: MDS: (Vulnerable: Clear CPU buffers attempted, no microcode;
SMT vulnerable), L1TF: (Mitigation: PTE Inversion; VMX: conditional cache
flushes, SMT vulnerable), SRBDS: (Not affected), MELTDOWN: (Mitigation: PTI),
SPECTRE_V1: (Mitigation: usercopy/swapgs barriers and __user pointer
sanitization), SPECTRE_V2: (Mitigation: Full generic retpoline, IBPB:
conditional, IBRS_FW, STIBP: conditional, RSB filling), ITLB_MULTIHIT: (KVM:
Mitigation: Split huge pages), TSX_ASYNC_ABORT: (Not affected),
SPEC_STORE_BYPASS: (Mitigation: Speculative Store Bypass disabled via prctl and
seccomp)
VNC Encryption: Disabled
FIPS mode enabled: Disabled
Gianluca
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