Re: [ovirt-users] [FC22] testing oVirt 3.6.2 : Hot plug memory not working

You need to use EL7 guest. Yaniv Dary Technical Product Manager Red Hat Israel Ltd. 34 Jerusalem Road Building A, 4th floor Ra'anana, Israel 4350109 Tel : +972 (9) 7692306 8272306 Email: ydary(a)redhat.com IRC : ydary On Mon, Feb 1, 2016 at 1:16 PM, wodel youchi <wodel.youchi(a)gmail.com&gt; wrote: > Hi, > > I tried with the Centos6x64 VM, I didn't work, in ovirt's webui I have > this error : > > VDSM Noveria command failed: unsupported configuration: unknown device > type 'memory' > Failed to hot set memory to VM mail10. Underlying error message: > unsupported configuration: unknown device type 'memory' > > Looking into /sys/devices/system/memory there is no new memory banks > added. > > But, I tested with another VM, Centos7x64 which I updated with latest > packages : CentOS Linux release 7.2.1511 (Core) > > I tried to add memory, but I had the same error on ovirt's webui, I did > not work neither with el6x64 or el7x64 > > and /sys/devices/system/memory didn't change, there are no new entries > > Regards > > 2016-02-01 10:30 GMT+01:00 Nathanaël Blanchet <blanchet(a)abes.fr&gt;: > >> Hi, >> >> the hot add features starts working out of the box from centos 7.2 guest. >> On previous el7.x, two ways to do that: >> >> 5.2. How to online memory >> ------------ >> Even if the memory is hot-added, it is not at ready-to-use state. >> For using newly added memory, you have to "online" the memory block. >> >> For onlining, you have to write "online" to the memory block's state >> file as: >> >> % echo online > /sys/devices/system/memory/memoryXXX/state >> >> or to be active at boot, add this udev rule in >> /lib/udev/rules.d/55-ovirt-guest-agent.rules : >> >> SUBSYSTEM=="memory", ACTION=="add", TEST=="state", >> ATTR{state}=="offline", ATTR{state}="online" >> >> I can't tell you if this works on el6 guest, but why not testing for us >> ;) >> >> Le 01/02/2016 10:04, wodel youchi a écrit : >> >> Hi, >> >> I am using oVirt 3.6.2 on FC22 box, all-in-one installation, my purpose >> is to test it. >> >> I am using a simple Desktop : >> - one cpu core i5 3550 with 4 cores >> - 2x4 Go of RAM >> >> I installed a Centos 6x64 VM with all updates + ovirt guest agent. >> >> I tried to augment the memory from 1024 to 1536 (+512Mo) it didn't work >> I had to shutdown the VM for the change to take effect. >> >> Hot plug memory does it have something to do with the underneath >> hardware? >> or does it depend on the guest OS? >> or something else? >> >> >> Regards. >> >> >> _______________________________________________ >> Users mailing listUsers@ovirt.orghttp://lists.ovirt.org/mailman/listinfo/users >> >> >> -- >> Nathanaël Blanchet >> >> Supervision réseau >> Pôle Infrastrutures Informatiques >> 227 avenue Professeur-Jean-Louis-Viala >> 34193 MONTPELLIER CEDEX 5 >> Tél. 33 (0)4 67 54 84 55 >> Fax 33 (0)4 67 54 84 14blanchet(a)abes.fr >> >> >> _______________________________________________ >> Users mailing list >> Users(a)ovirt.org >> http://lists.ovirt.org/mailman/listinfo/users >> >> > > _______________________________________________ > Users mailing list > Users(a)ovirt.org > http://lists.ovirt.org/mailman/listinfo/users > >