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    Revert cluster to single instance systems

    Having a 2 node cluster like # pvecm status Quorum information ------------------ Date: Wed May 1 13:33:16 2019 Quorum provider: corosync_votequorum Nodes: 2 Node ID: 0x00000001 Ring ID: 1/8 Quorate: Yes Votequorum information...
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    CPU Passthrough / Nested KVM?

    Is there a possibility to get the "original" CPU Settings inside a KVM VM ? Having inside: [root@VM ~]# cat /proc/cpuinfo | grep -E "^(flags|model nam)" model name : Common KVM processor flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx...
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    Forward Protocol Stack to VM (ipsec/gre/ah/etc.)

    Hello, which is the correct way to forward all protocols for a specific IP directly to a VM? E.g. JUMPERint=192.168.90.10 JUMPER=8.4.2.3 (official IP, public) iptables -t nat ${PARAM} PREROUTING -d ${JUMPER}/32 -p esp -j DNAT --to-destination ${JUMPERint} iptables -t nat ${PARAM} PREROUTING...
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    vzdump only disk-1 ?

    How can I use vzdump for a specific VM, only to backup scsi0 (and not scsi1), or more common, how can I include/exclude specific disks from backup? Best regards and thanks for your help in advance!
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    add new disk to VM (via qm/pvesh) ?

    Is there a way do add a new disk to a VM using pvesh ? I use pvesh create /nodes/$(hostname -s)/storage/local/content -filename vm-XXXX-disk-0 -format raw -size 10G -vmid XXXX to create a new disk, then I run pvesh create /nodes/$(hostname -s)/qemu ..., but how can I add a 2nd / 3rd / ... disk...
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    resize zfs disk

    I tried to resize a VMs disk, using the following command, but it fails: # qm resize 3210 scsi0:pve-data:vm-3210-disk-0 +10G 400 Parameter verification failed. disk: value 'scsi0:pve-data:vm-3210-disk-0' does not have a value in the enumeration 'ide0, ide1, ide2, ide3, scsi0, scsi1, scsi2...
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    DNAT/SNAT via pve-firewall PREROUTING/POSTROUTING

    Hello, is there any way to configure DNAT, and SNAT to hosts via pve-firewall? Currently we use for outgoing connections: iptables -t nat -A POSTROUTING -s 192.168.64.0/24 -o vmbr0 -j SNAT --to-source 5.7.9.99 iptables -t nat -A POSTROUTING -s 192.168.80.102/32 -o vmbr0 -j SNAT --to-source...
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    pve-firewall enable dropped me out

    Having enabled via Datacenter>Firewall>Options Firewall enable did drop me out. How can I change the /etc/pve/firewall/cluster.fw hence I do not have any access to my host now. Any hints are welcome.
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    zfs rpool/data via commandline / pvesm status fail

    Looking around the installation, we find references to rpool/data. But creating the pool using commandline causes an error.... I did /sbin/zpool create -f -o ashift=12 rpool mirror /dev/sda4 /dev/sdb4 pvesm add zfspool pve$(hostname -s)-data -pool rpool/data pvesm set pve$(hostname -s)-data...
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    Proxmox https Certificates via commandline

    Hello, is there the possibility to add the Certificate for the hostname of the proxmox host via commandline? Currently we manage it using Host > System > Certificates and upload/paste key + fullchain. Thanks for your help in advance!
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    pvecm addnode via ssh

    Is there any way like pvecm add NOdEIP -use_ssh to do the same for pvecm addnode ? Is there any way to change the node's name afterwards? Having # pvecm status Quorum information ------------------ Date: Mon Oct 1 16:10:23 2018 Quorum provider: corosync_votequorum Nodes...
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    pvecm firewall issues - no multicast

    Is there a way to configure the pvecm without using multicast? Is there a way using pvecm create cluster to force to use the internal, and not the public IP Address? We have proxmox nodes which own a public IP Address which automatically is used for cluster-management. I was able to run a...
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    quorum No quorum on node

    Having created a cluster using on master node pvecm create CLUSTER and added a new node using pvecm add EXTIP -ring0_addr LOCALINTIP Please enter superuser (root) password for 'EXTIP': Password for root@EXTIP: ********...
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    Shared Disk between VMs

    According http humblec com /how-to-share-a-disk-to-more-than-one-vm-using-libvirt-or-what-sharable-flag-do-in-libvirt/ there is the possibility to flag a disk image as shared between more than 1 VMs. How is this achieveable using proxmox? running pvesh create...