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  1. K

    [SOLVED] Windows Guests crashing during backup

    Hi everyone, The last couple of weeks we are having random crashes of various windows 2016 guests when the backup runs. They do not always crash and not always the same guest. The Windows guest log has: The previous system shutdown at 12:10:47 PM on 1/14/204 was unexpected. Proxmox log has...
  2. K

    Firewall rules for port 22

    Hello everyone, I have two sites, each running proxmox behind a NAT firewall which is on the internet with static IP's. I am planning on backing up each site to the other via PVE-zsync by forwarding port 22 to each proxmox server and pointing pve-zsync to the static IP of the other site. I...
  3. K

    ZFS enhancement

    I have been struggling with the "delicacy" of ZFS. Specifically large write loads bringing the system to a halt (addressed in another thread) and the difficulty in zfs-sync and zfs-replication to handle broken pipes. In regards to the latter I found this...
  4. K

    Can I use Clorosync to replicate files?

    Hello everyone, I want to replicate some bash scripts between nodes and thought it would be a great idea to create a folder in /etc/pve for this. It worked but the files are not executable and I cannot change permissions to make them so. Does anyone have any thoughts on how to do this? Thank...
  5. K

    Hyper-V Enlightenments

    Hello everyone, Has anyone tried enabling Hyper-V Enlightenments for Windows guests? https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/7/html/7.0_Release_Notes/chap-Red_Hat_Enterprise_Linux-7.0_Release_Notes-Virtualization.html...
  6. K

    Proxmox lockup and recovery - ZFS related?

    Hello everyone, I setup a new Proxmox box and was transferring data from another server (heavy network and disk load) when I lost all network connectivity. I could not ping the host or the guests. After about 30 minutes it came back alive! In the logs I found this: [Jul 28 22:55:32 <local...
  7. K

    Install Proxmox 3.4 with ZFS on a single drive

    Hello everyone, I want to setup a test server with Proxmox and the ZFS file system but when I go to "options" and pick "filesystem" all the ZFS options are RAID. How can I install onto a single drive using ZFS? Thank you in advance for your help. Kevin
  8. K

    PVE-zsync

    This is exciting! I've waiting for this. Is PVE-zsync related to zsync https://kparal.wordpress.com/2009/09/01/zsync-transfer-large-files-efficiently/, http://zsync.moria.org.uk/? Has anyone been using this? Kevin
  9. K

    PDC over a subnet and VPN?

    Hello everyone, I have a Centos 5 Samba server as a PDC at our master site (192.168.0.0/24) and I have a remote site (192.168.1.0/24) connected with a IPSEC VPN (pfsense, boths ends are behind a NAT router). All ports and protocols are open through the pipe. All servers and routers are...
  10. K

    Error adding device to VM

    I am running Proxmox 3-2-1. I have a Windows 2008R2 VM running. When I go to add a DVD Drive I get this error "checksum mismatch (file change by user?) (500)" and it fails. It does not make any difference which media I select. This machine will also not restart from windows. I get the BSD. It...
  11. K

    Block access to Proxmox through one NIC (firewall)

    I know this has been asked a thousand times ..... I would like to use Proxmox to test various software firewalls. My plan is to install the software firewalls as VM’s and isolate Proxmox from the internet. I have read many of the forum postings and I am not clear on how to do this. What I...
  12. K

    Trouble installing on a HP SmartRaid controller

    Hello everyone, I have a HP DG380 with a P400 RAID controller configured with a two disk RAID 1 array. I am not able to install Proxmox 3.0 on it. The installer does partition the disk but I am getting errors “can’t create file. Disk is read only”, etc. I am able to install Centos 5 on the...
  13. K

    Best practice for multiple guests with public access

    Hello everyone, It looks like there may be more than one method to have multiple guests have public IP's to the same external network (Multiple guests connected to one physical NIC. Guest VM's A, B and C would all be accessible from clients on the physical network through eth0). Configure...
  14. K

    Resolved - Challenging networking problem

    Resolved ..... Hardware NIC is Intel 82546EB. Proxmox uses the e1000 driver. Changing the driver from virtio to e1000 in the guest configuration fixed the problem. Hello everyone, I set up a new Proxmox server and installed Router/Gateway/DHCP server (ClearOS) as a VM. My idea is to only...
  15. K

    Incremental backup of VM's

    Hello everyone, I have a thought here an want to get some feedback before I test it. Can we perform a differential backup of running Linux VM LVM devices by: Create a snapshot of the LVM device in the Proxmox OS Mount the LVM snapshot in the Proxmox OS Perform a rsync to a mounted LVM on...
  16. K

    How to secure a Proxmox server

    Hello everyone, I am interested in getting a gateway/firewall server running on Proxmox. eth0 (vmbr0) will be the port connected to the internet. eth1 (vmbr1) will be the internal network port. I am not sure what I need to do to make sure nothing can come in eth0 and get to the Proxmox OS...

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