zoda...@gmail.com writes: > Hi, > > I'd like to try the memory hot unplug, refer to: > https://www.ovirt.org/documentation/vmm-guide/chap-Editing_Virtual_Machines.html: > > "All blocks of the hot-plugged memory must be set to > **online_movable** in the virtual machine’s device management > rules. In virtual machines running up-to-date versions of Enterprise > Linux or CoreOS, this rule is set by default." > > I created a VM running CentOS7.6: > # more /etc/redhat-release > CentOS Linux release 7.6.1810 (Core) > # more /usr/lib/udev/rules.d/40-redhat.rules > ... > # Memory hotadd request > SUBSYSTEM!="memory", ACTION!="add", GOTO="memory_hotplug_end" > PROGRAM="/bin/uname -p", RESULT=="s390*", GOTO="memory_hotplug_end" > > ENV{.state}="online" > PROGRAM="/bin/systemd-detect-virt", RESULT=="none", > ENV{.state}="online_movable" > ATTR{state}=="offline", ATTR{state}="$env{.state}" > > LABEL="memory_hotplug_end" > > It looks like the online_movable will be set only when > systemd-detect-virt returns none, i.e. hot plugging memory for a > bare-metal machine, so how to make the hot plugged memory > "online_movable" in the virtual machines? Thank you.
Hi, you can copy 40-redhat.rules to /etc/udev/rules.d/ and edit it to always set memory state as online_movable. It will override the default file content after reboot (or udev rules reload). Regards, Milan > Regards, > -Zhen > _______________________________________________ > Users mailing list -- users@ovirt.org > To unsubscribe send an email to users-le...@ovirt.org > Privacy Statement: https://www.ovirt.org/site/privacy-policy/ > oVirt Code of Conduct: > https://www.ovirt.org/community/about/community-guidelines/ > List Archives: > https://lists.ovirt.org/archives/list/users@ovirt.org/message/LKUZKCLLWOCK3SQFSNLNMGGFEBI2OM6W/ _______________________________________________ Users mailing list -- users@ovirt.org To unsubscribe send an email to users-le...@ovirt.org Privacy Statement: https://www.ovirt.org/site/privacy-policy/ oVirt Code of Conduct: https://www.ovirt.org/community/about/community-guidelines/ List Archives: https://lists.ovirt.org/archives/list/users@ovirt.org/message/CAEIPPDXMMTLY7OBTOBF4M633XDC2CJP/