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    2-node HA DRBD Concurrent local writes

    Hello, Once in a while I was getting this warning in dmesg ( kern.log ): block drbd0: kvm[433746] Concurrent local write detected! [DISCARD L] new: 623356039s +8192; pending: 623356039s +8192 So I decided to study it more and I was able to trigger message whenever I was running sqlio benchmark...
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    Spice unusable after 3.2 update

    Hello, I have this version up and running: proxmox-ve-2.6.32: 3.2-124 (running kernel: 2.6.32-28-pve) pve-manager: 3.2-2 (running version: 3.2-2/82599a65) pve-kernel-2.6.32-28-pve: 2.6.32-124 pve-kernel-2.6.32-26-pve: 2.6.32-114 lvm2: 2.02.98-pve4 clvm: 2.02.98-pve4 corosync-pve: 1.4.5-1...
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    Backup serialization and rotation

    I run this 2-node HA cluster and I have set up a backup job for all the VMs across the 2 nodes ( I run 4 VMs on one-node and 4 on the other in the normal state of the cluster ). The backup is done over the same NFS share mounted on both nodes ( attached via the gui ). What I have seen is the...
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    lvm move disk problem

    I run a 2-node HA cluster and I have successfully moved a disk from one VG to another. The VGs are on top of 2xLVM which runs on top of 2xDRBD. What happened was that after the operation terminated ok, I activated the HA for that node ( it was in shutdown and without HA ) and it was moved to the...
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    HA migration on node failure restarts VMs

    Hello, I am trying to make a setup of Two-Node HA ( https://pve.proxmox.com/wiki/Two-Node_High_Availability_Cluster ). I have 2 identical machines (Dell R720 with idrac7) and I have setup a PVE Cluster with these 2 and a quorum disk via an iscsi target from a third-machine. Although everything...