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As the own host disk is impacted, I'd bet it's not really a big matter. But as soon as some specific intel is asked I'd be happy to answer. Regarding meltdown/spectre patches, maybe it could be it. But as you see, it's not just a basic increase of the average access times, it's an increase...

Hi, Today, I realized that since the night between May the 27th and May the 28th, when we rebooted one of our nodes, its disk latency just went nuts. Alas, it's not just its disks, it's also the disks of any VM started on this node. By investigating, I was able to correlate the beginning of...

Hi mir, Yeah, that was my point in my last post. :) Thanks for your accuracy !

Reply to myself : I checked with some tools, and it seems that the missing VT-x extended is responsible of these problems. I suggest to document it.

Hi Marco, All VM can be started successfully on each node. The thing is, the host "fy" (with Xeon E5450) cannot receive any vm from another host if this vm was not started by itself. If a vm started by node "kdell" arrives, fy receives it, and after, the vm freezes and the kvm process uses...

Hello, I saw many threads about this problem, but I'm actually unable to solve my own, so I make a new thread. I'd like to know if this link could explain that I meet some migration problems from a host under CPU 1, 2 or 4 to one with the CPU 3 in the list ...

Thanks. But I'm bit surprised by your answer. Xen managed to offer this possibility by the command xm console. At the same time, virsh allows many possibilities on many virtualization tools. But lib-virt is in conflict with pve. If these tools exist, I guess it's for the same reason I was...

I read it, but I heard that VNC needs a X server. If I'm away from my network (which is behind a 1Mb/s box), and there is a problem, the vnc proxy will be too heavy. I'm trying to find the simplest and lightest way to administrate my guests if I need to. We have a low bandwidth. Thanks,

VNC is heavier than a simple tty access. Let's imagine that one of our guests (the mail server as for an example) doesn't have network anymore, and we are in front of our host, with no X server. There is no way we can use VNC, and there is a need to fix the broken VM, so to access to its TTY...

Thanks ! Then, what should I do if my guest is broken and not accessible via network ?

Hey there. I'm trying to find a way of accessing to my kvm guests by console. The point is simple : my nodes doesn't have any X server, and I want to be able to connect to the guests even if I have no X server to run the web interface. I heard about virsh, but it's not compatible with proxmox...