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    Switching Hardware

    Hi @all, I am thinking of uprading my hardware. I would like to switch from Intel to AMD and I was wondering if I need to reinstall and/or activate my Windows KVM again?. Or would it be enough just to restore the vm machines? any recommendation or hints are welcome kind regards BitRausch PS...
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    Minor bug Kernel 2.6.24-9 pve

    Solved. Thank you Tom for pointing me into the right direction. After reassigning the vm drive and changing the boot order the correct value showed up again. So I guess it's not a bug - it's a feature :-) kind regards BitRausch
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    Minor bug Kernel 2.6.24-9 pve

    Thanks Tom. I checked the boot order and indeed it was set to cd rom - strange - since I do not recall changing it. Corrected the boot order. Shutdown the vm and restartet it again but still WebGui shows 0. Do I need to "detach" the vm-disk and assign it again in order to see the correct...
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    Minor bug Kernel 2.6.24-9 pve

    Hi @All, just upgraded to the new kernel. I might have found a minor bug (??)... The disk size on one of my KVM VM went to 0 on the web gui. I attached 2 screen shots to demonstrate. This was shown correctly befor the upgrade... Kind regards BitRausch PS. The second Pic shows the actuall...
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    USB Printer to KVM

    Thx Dietmar, I will try it now. ;)
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    USB Printer to KVM

    Hi Dietmar, Thank you!. I did check the qm (qm set <VMID> -hostusb 03f0:3617) but it did not work. That means the usb printer (HP Color LaserJet 2605) is not recognized by SBS 2008 VM. lsusb show me the right information. info usbhost show me the information too but it does not show up in the...
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    USB Printer to KVM

    Hi @all, I could not find the right information on the forum. Can you tell me how I can connect a usb printer to a kvm vm? I found some information for openvz but I am not sure if this information are valid for KVM. kind regards BitRausch
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    External VNC viewer?

    Hi typo3usa, I tried it today and it worked very well. I did what clipcarl recommended. I use UltraVNC as a client to connect to all my KVM instances. Are you sure you opend the ports on the router (if you are behind one)? And forward them to the pve ip - not to the kvm internal nic? kind...
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    IO delay during backup

    excellent suggestion! I will try it. Thank you pille.
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    IO delay during backup

    Hi pille, thx for your answer!. that is actually a very good question ... I need to figure that out... Basically I run a Windows SBS 2008 server which is protected by an ASTARO firewall (both KVM). So my goal is to make sure that ASTARO is fully started so the SBS NIC can connect to the...
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    IO delay during backup

    Oh I see... I would prefer the second option cause the HW controller is faster then another attached harddisk (can not add to the HW controller - it's already maxed out - need to add to the sata port on mainboard.) Just to understand you here: - reduce the current LVM - create another LVM -...
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    IO delay during backup

    Hi Tom, Thank you for your replay. This is my current vzdump.conf dumpdir: /mnt/pve_backup mode: snapshot bwlimit: 20000 Note: /mnt/pve_backup is a mount on a NFS storage. If I reduce my bwlimit to 10000 then backup time will increase right? How does the --compress param impact the IO...
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    IO delay during backup

    Thank you dietmar. I will look into LVM Volumes. Need to read more about it. Currently all my KVM VM's (qcow2) are on one LVM Volume which was setup during pve install. Do I need to add another volume/harddisk as a seperate LVM volume ore should I change the current volume? Not sure if I...
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    IO delay during backup

    Hi @all, Just 2 quick question: 1) Is there a way to reduce IO delay during backup (vzdump)? If I understood it correctly the --tmpdir param is not for LVM snapshots which I do most of the time. Currently I am reaching as much as 40% IO delay during backup. KVM are mainly idle during backup...
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    Server sometimes slow

    Excellent. Thank you charon.
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    Server sometimes slow

    Thank you for your fast replay! Since I am running KVM (mainly windows) I was wondering if I need to reinstall the os or is it sufficient to just update/reinstall the virtio driver? Btw - where can I check for the latest virtio driver? The one I am using right now is the one posted on this...
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    Server sometimes slow

    Hi Charon How did you convert the qcow2 to raw? Where can I find more information of the raw format? kind regards BitRausch
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    RAID block size

    correction: I meant strip size :-) What is the best strip size for raid 10 and pve? What strip size do you guys use on your raid? kind regards BitRausch
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    RAID block size

    Hi @all, I am setting up a new PVE Server with a hardware raid 10 configuration. I was wondering what the best block size would be. I am planing to run KVM Windows Server 2008 and SBS 2008 Server with 100 to 200 GB qcow2 files. Should I go for a block size like 256 kb because of the big qcow2...