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Open monitor tab and enter "balloon <memory_size>", where memory size is the new amount of memory You want to allocate to Your guest. For example if You had 1024MB allocated to Your guest and You decided that You want to change that to 600MB as Your guest is not using it, enter "balloon 600".

Yes.

Description is a little misleading as it can suggests that there is some automated process which can reduce the amount of memory the guest is using, while it simply allows You to tell to Your guest that You are adding or removing some memory from him, that's all. Yes, You can free unused guest...

Why would it? KSM can free some memory, ballooning only allows to change memory size for kvm guest without guest restart.

man vzdump http://forum.proxmox.com/threads/3648-vzdump-speed?highlight=bwlimit

run "man qm" (how to set it in proxmox) and "man kvm" (technical info), it should help if You got a lot of writes on Your virtual machines. Do You have any kind of host proxmox host performance monitoring like collectd or cacti? It would help You to see how memory and swap usage changes over...

If You got some 64MB swap usage right after boot up then You are low on ram, that's all. Buy more or decrease memory alocation for Your virtual machines. You got 1024+5120+1024=7148MB out of 8GB allocated to virtual machines (don't forget that virtual machine can eat a little more that the the...

Yes, running lvextend on master (container was stopped) does not disk size on web interface. If I run this command on master and container runs on different node logical volume size is not changed.

I had to resize disk image stored on FC lvm (3 machines cluster) so I run lvresize on master, volume was resized ok but web interface would still show old size, then I migrated this kvm container to another cluster node and after that disk size was shown properly. After few minutes machine...

You can safely use single FC LUN as shared storage in cluster as long as proxmox will manage it, all You need to is is: 1. login using ssh to master and manually create lvm physical volume from LUN (pvcreate) 2. create lvm logical volume on this new lvm physical volume (lvcreate) 3. login to...

I did update backup jobs as it was the only solution but it would be nice if it would happen automatically, I got ~60 containers, some with a big disk and most of them are just test machines and I don't care about them that much so I don't want to enable backup for all containers.

I got 4 machine cluster, on node 4 I created container with VID 137, I've set up daily backup job for this VID, so far everything works. Now I (live) migrated this container to node 2 and now my backup job fails INFO: starting new backup job: vzdump --node 4 --snapshot --compress --storage...

This might interest You http://forum.proxmox.com/threads/3607-vzdump-speed-is-incorrect

create /etc/vzdump.conf config file with bwlimit=<limit>, se "man vzdump" for list of all options

Hi, right now each backup file is named vzdump-qemu-<vid>-<date>.tgz and the problem is that VID's are recycled, if I create and destroy many machines I end up having many backups with same vid which may contain different containers, If You limit number of backup copies then it is possible to...

I would be happy to contribute few bits I need like executing custom script after editing virtual machine settings, but perl is just black magic for me, I'm looking at the code and I don't even know where to start.

Good luck but what reference does it have to proxmox? If that is a question then first page on proxmox wiki would answer that. Not supported but I guess that it is possible if You manually mount CIFS on each proxmox server and use "Local directory" storage type pointing to CIFS mount...

quick fix: uncomment in and run I guess that setting Language option in proxmox sets LANG env but does not create locale files

Re: Got my storage, How to migrate machines Yes, You need to convert to raw format before dd, for example: kvm-img convert -f raw <old image> <new raw image> You could probably run: kvm-img convert -f raw <old image> - | dd of=/dev/drbdvg/<vm disk> bs=1M to make it faster

I create/delete containers from within proxmox, but after I add/modify some container I usually must do some other stuff (like add host to nagios) so it would be easier for me if I could define in proxmox a script that would be run by proxmox after each such action.