I know a way, but I'm not sure if you will be happy with that approach.

1. Setup virsh on all hosts:

alias virsh='virsh -c qemu:///system?authfile=/etc/ovirt-hosted-engine/virsh_auth.conf'

2. Set the HostedEngine in maintenance

hosted-engine --set-maintenance --mode=global

3. Get the HostedEngine's current config

3.1. When Engine is running - go to the host and type:

virsh dumpxml HostedEngine > HostedEngine-2019-12-08.xml

3.2. If the engine is dead - take the xml from the vdsm.log (when it was last started)

4. Edit the configuration

4.1. If the engine is running -> edit directly with virsh edit HostedEngine

4.2. If the engine is not running -> edit the xml with the new values and define the ovirtmgmt network and the VM

vdsm-ovirtmgmt.xml :

<name>vdsm-ovirtmgmt</name>

</network>

virsh net-define vdsm-ovirtmgmt.xml

virsh define HostedEngine.xml

4.3 You may try to power up the VM but it will complain about some links from the gluster's storage to local one. Just create those symbolic links and power up the VM again

virsh start HostedEngine

5. Keep the engine running for at least 6 hours (to update the OVMF),as even when the OVMF update inteval is reduces -> the engine still ignores that.

6. Power off the engine gracefully

ssh engine "poweroff"

7. Power on the engine via

hosted-engine --vm-start

8.Once the engine is up , ssh and verify memory

9. Remove maintenance

hosted-engine --set-maintenance --mode=none

I haven't tested this approach of extending memory , but it should work.

Best Regards,

Strahil Nikolov

В неделя, 8 декември 2019 г., 11:01:40 ч. Гринуич+2, Stefan Wolf <shb256@gmail.com> написа:

hello,

I ve decrease the memory of the hosted engine.

now I am not able to increase the memory permantly

right now the memory has 4096 MB

Max Memory is 7936 MB and

guaranted memory is 7936MB

I can increase the memory up to 7936 MB in the manager, it changes immediately.

I can not increase to more then 7936 MB because this is max Memory

If I change Max memory to 16384

the gueanted memery gets a red border an the error is max memory ist 4096 MB

I ve found this one https://access.redhat.com/solutions/964693

and tried to change the memSize in /etc/ovirt-hosted-engine/vm.conf to 16384

I ve also stoppt every ovirt-ha-agent and changed every vm.conf.

After starting ovirt-ha-agent every vm.conf changed to 4096 again

has somebody a solution to increase the memory again?

thx shb

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