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  1. robm

    qm remote-migrate hung up on fstrim

    Latest 7.4 proxmox, was moving a VM from one cluster to another using the "qm remote-migrate" command. First VM moved fine, second one got hung up: 2023-11-09 09:29:28 stopping NBD storage migration server on target. tunnel: -> sending command "nbdstop" to remote tunnel: <- got reply tunnel: ->...
  2. robm

    VM live migration using lvm-thin with discard results in high I/O

    When doing a live VM migration (latest proxmox enterprise 7) from one server to another where both servers use local disks with lvm-thin (ext4 hardware SSD RAID-10), if the VM hard disk has "Discard" enabled, we find that the migration hammers the I/O of the target node until the first copy...
  3. robm

    VM clone high I/O with hardware RAID-10 SSD drives

    When we perform an offline VM clone, we see a very high I/O for 1-2 minutes, which causes other VMs to slow down considerably. Running the latest Proxmox 7. RAID-10 is using Intel VROC. SSDs are: Crucial/Micron Micron_1100_MTFDDAK2T0TBN Intel(R) Xeon(R) CPU E5-2680 v4 dual CPUs 512 GB RAM ext4...
  4. robm

    [SOLVED] Installing kernelcare in container issue with insmod

    Using centOS 7 LXC as "unprivileged containers" and trying to install kernelcare for rebootless kernel updates, and running into this error: insmod: ERROR: could not insert module /var/cache/kcare/modules/none-abcd/kcare.ko: Operation not permitted Unable to load kmod...
  5. robm

    vzdump exclude-path pattern match or anchored to start?

    When using exclude-path in /etc/vzdump.conf, does an entry such as: "/tmp/?*" only match /tmp/abc, or would it also match /home/xyz/tmp/abc? If we want to match directories like "/home/abc/www/var/report" and "/home/def/www/var/report" would this be the right syntax: "?*/var/report/?*" Thanks...
  6. robm

    sar output shows 100% user cpu

    We have an unprivileged LXC centOS 7 container set up on the latest Proxmox. After installing sysstat, sar output shows user cpu at 100%, with cpu being 0% idle, even though there is little to no load on the container or the node. Anyone ever run into this before? Any workaround to get accurate...