- Red Hat Enterprise Virtualization 3.0
- Red Hat Enterprise Virtualization 3.1
Sometimes Memory Page Sharing Host information shows Inactive but KSM is running. Or Memory Page Sharing Host information shows Active but KSM is not running.
It is already fixed in upstream and must be shipped by the next RHEV versions. Memory Page Sharing will always reflect the current KSM status.
KSM is started or stopped according with
ksmtuned policy. On the other hand, the RHEV function checking whether KSM is active or not is called only when a virtual machine is started or stopped. Meanwhile, Administrator Portal can show an outdated information.
A future UI setting for changing this behavior is being tracked in Bugzilla #1026980
 - https://access.redhat.com/knowledge/solutions/236253
Compare the value of Memory Page Sharing in Administration Portal Host General TAB with Host
/sys/kernel/mm/ksm/run file value (0 means KSM Inactive and 1 means KSM active).
- Red Hat Virtualization
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