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The Windows update that virtIO has difficulty with was an optional update for me called: SUSE - Storage Controller - SUSE Block Driver for Windows As long as you avoid this optional update you should be fine with virtIO. At least, this has been my experience with Windows 2012 virtual machines...

There were many Proxmox 4 updates released today. I'm curious if you've been able to apply them and possibly reboot your server. I wonder if you'll notice some speed increases from them.

Yesterday I was able to install Proxmox 4.1-2f9650d4-21 in UEFI boot mode on a Dell Power Edge R515 (having an 8 drive RAID 10 with 1 virtual disk spanning all physical disks). I had no issue with UEFI, however I will mention that during this install the GUI installer displayed so large that...

Today, on a Windows 2012 Server virtual machine, I saw the following optional Windows Updates: SUSE - Storage Controller - SUSE Block Driver for Windows KB3102429 KB3107998 KB3112148 Before installing these, I did a Proxmox (stop) backup. Then I installed these updates and rebooted the...

I need to update drivers for my DELL PERC H700 Raid Controller on a Dell R515 running Proxmox. The driver installation utilities (provided) seem to assume I'm running a MS Windows server. On other Dell servers, I've been able to update drivers using IDRAC, but this server doesn't have IDRAC. I...

While backing up a Proxmox virtual machine you see these progress indicators: INFO: status: 36% (193834713088/536870912000), sparse 25% (137619529728), duration 1063, 422/20 MB/s Status is the overall completion of the backup. Understood. What does sparse mean? Does this have to do with how...

Re: grub2 update problems for 3.4 (GUI only), leading to not correctly installed pack Is there a command I can type (without installing additional packages), in Proxmox, that can verify (with certainty) the device path to which grub is currently installed? I don't like: 1) holding my breath...

Re: grub2 update problems for 3.4 (GUI only), leading to not correctly installed pack I upgraded via an ssh command prompt: apt-get dist-upgrade On one server, I was not prompted to do anything with Grub, but on two other servers it prompted me saying something like this: "You've opted not to...

I just wanted to report back, that I'm no longer having to wait between node updates; lately I've been able to update one node right after another in the web-gui without issue. Additionally, thank you e100 for sharing how you automate updates of all nodes at once.

I have Proxmox 3.3 cluster, and I've been updating each node individually using the web GUI. I've noticed that when I update one node, it takes a little time before the GUI will allow me to update another node. The NoVNC console fails to showcase the update-command-line if I try to update a...

If you were to schedule a snapshot to occur (on virtual machine) 4 times per day (every 6 hours), would this degrade the virtual machine's performance at all (on Proxmox 3.3)? I'm especially interested in the performance hit: during the time a snapshot is being created after the snapshot has...

Have any of you ever restored a Proxmox backup to a completely different cluster (like one located on a totally different LAN)? Do you see any issues with taking a Proxmox VM backup (that was made in a cluster environment) and restoring it to either of the following: A different cluster at a...

Here's an interesting link: Benchmarking Windows Guests on KVM:I/O performance I'd be interested if other Proxmox administrators agree generally with these benchmarks. I've been using iometer to test my Windows guests. I'd be currious to know what others use, as iometer is a bit old (without...

I thought I share this link: KVM Disk Cache Modes. It is SUSE documentation, but should apply to Proxmox too. It's a good read.

Does Proxmox install on a UEFI enabled BIOS (with or without secure boot -- my motherboard has the ability to enable UEFI while also disabling secure boot)? Background: Because my previous attempts to install Proxmox 3.2 on a server with the UEFI bios-setting enabled have failed, I recently...

In my small cluster, I have a Proxmox server with an active subscription of this type: Proxmox VE Community Subscription 2 CPUs/year Today I will be doing a major hardware upgrade where I will be adding 4 additional hard drives to this server's RAID 10 controller (making 8 total). From my...

Although I'm using Proxmox 3.3, I used documentation labeled 2.0, when I created my small 2 server cluster. That documentation is located here: https://pve.proxmox.com/wiki/Proxmox_VE_2.0_Cluster#Create_the_Cluster Now that I'm adding hard drives to an existing node, I'm trying to decide...

I've purchased 4 additional hard drives for a RAID 10 (that already has 4 drives). This is server #2 in my Proxmox cluster. I'm thinking it will be difficult and/or time consuming to keep this node in tact, while adding these 4 drives to an existing RAID 10. I suppose it is possible to expand...

I don't recall having another proxmox install at the same IP, but I did have a Zentyal server at that same IP (which also provided a web interface). I decided I want to configure my RAID 10 a little differently anyway, so I'm doing that now, and then I'll just reinstall. Thanks; I will clear...

I just installed proxmox 3.3 on a server, and right after doing so I'm unable to login as root. Did I really type my password wrong two times during installation? Is reinstalling the only way to get past this?