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Hello @tom I could solve this issue ! The problem was the IDE disk. I installed virtIO driver and changed from IDE to VirtIO. Thank you.

Hello, There's something strange when running Windows Server 2003 x64 with Proxmox, I already tried many different ISO install of Windows, but after the install and at random times running the VM, it just crashes with a bluescreen saying that a hardware failure happened. Does anyone here faced...

Hi @wolfgang, What happens when a node is added ? I didn't get your point. Lets assume that I'm not using HA, why network could be overloaded when a node is added ?

2x SSD 480 GB used for cache is too much ? I'll be using 2x 2 TB HD for storing VMs

@lifespirit thank you very much for sharing your setup. Instead of LVM, if I you had used ZFS do you belive in a speed up ?

I wish that I could use ZFS to speed up, but the problem is that I can't provisioning VMs to ZFS by cloning a template from a NFS storage. For example, I have a Node X that only stores templates (NFS) and another Node Y that store VMs (ZFS). I can't clone from NFS to ZFS because ZFS is not...

@LnxBil and @lifespirit, thank you for your reply. I've been thinking in acquiring Hybrid SoftRaid 2x2TB HD + 2x480GB SSD. So my question is: is it possible to use both Hard Disks for VM data, and both SSD for cache ? If so, how to do this ?

Hi @dcsapak Do you think that if I change qcow2 to raw format, I'll experience better IO performance ? In numbers, how good that would be approximately ? Despite of Raid 0 be dangerous, it improves IO performance, and we have remote backups.

Hi, i'm facing high IO Delay. when I use command "iotop" it shows justs low readings / write in MB/s, about 1-3 MB/s Server specs: - mdadm raid 0 (2x disks) - ext 3 - qcow2 images - about 18 VMs running I attached image below

Hi, I read in Proxmox Documentation and it suggests not using more than 4 nodes when using Unicast. If i'm not using a HA Cluster, in other words, if my nodes runs at most isolated one from each other, what problems in specific Unicast could lead us ?

Hi, I came across with a strange problem. Disk Read / Write Limit (Disk Trottle option in web gui) doesn't seems to be working. I set 5 mb/s read/write and VMs disk IO are still too high, about 100 mb/s - even GB/s Proxmox version 4.4

@alexskysilk , Raw format can be used with NFS too and allows clone VM at runtime. Despite of more features that qcow may offer, I think they are useless for many people. I think Performance gain is above any other feature (as far as I know) provided by qcow2 format. But I don't think i'm...

Proxmox Docs suggests using Raw format for Windows VMs, because of the big performance gain. I'd like to know if is there an advantage too using Raw format for Linux VMs, and when should we use qcow2 ? I'm using KVM to all VMs

Yes, the purpose of this topic is that I'm Moving Disk over Hosts. I was planning a bash script to compress with LZOP (as you suggested), but I came across with the situation that I can't turn off my customer VM for a Disk Compress moving. I think the only possible thing that I can do is...

Thank you very much!

Hi, I'd like to know if is there some way to move disk and compress it by command line before moving. , Because it's moving an almost clean disk with 150 GB size and taking too much bandwidth

Because I'm using an auto-provisioning module in WHMCS, and templates must be stored in NFS so I can share them with the other nodes. Since NFS templates can't be cloned to local storage from the other nodes, I can move the Disk from NFS to Local. Why moving Disks from NFS to local ...

Hi, I'll write a bashcript that runs every minute and check if disks are stored in NFS, if so it moves disk to local storage. So I just need to know the following commands: - How to list disks from command line ? - How to move disk from command line ? Thank you!

Thank you for your fast reply! I marked both as shared because I wanted to Full Clone a template stored in Node X (NFS storage) to Node Y (Local storage), so this VM would be stored in Node Y local storage. How to do this the right way ? Thank you

Hi, I have a cluster with 2 nodes, when I try to clone a template from a node X to node Y, it's not copying disk data, when I start cloned VM it says "Volume xxx Does not exist". I'm using NFS to store template disks, and both storages, NFS and local storage are marked as shared.