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  1. M

    [PVE 6.0] Cannot set ZFS arc_min and arc_max

    You can force drop your caches, per my instructions: "Why isnt the arc_max setting honoured on ZFs on Linux" https://serverfault.com/a/833338/261576 Dropping arc cache too low results in a garbage-collection like situation from time to time with a zfs_arc* process consuming lots of cpu and...
  2. M

    Force LXC CT to use secondary IP for all outbound connections? (how to force scope LINK?)

    btw friend suggest alt solution, but does not work: ip route add default via 192.168.55.1 src $Q So SCOPE seems to be the way to do this. The host doenst seem to route the IP's back (test ping to something on local physical networ on foreign subnet, it sees pings and replies via route back...
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    Force LXC CT to use secondary IP for all outbound connections? (how to force scope LINK?)

    top level router splits traffic to site 1 and site 2 based on dest ip. 1 and 2 communicate via this router at layer 3 with routing, there's no opportunity/ability to vlan or otherwise share a broadcast ethernet between them. (I am also not interested in GRE tunnels, etc) nonetheless I am...
  4. M

    Force LXC CT to use secondary IP for all outbound connections? (how to force scope LINK?)

    An ancient container I inherited in a /25 at location 1 with ip Q on host Z needs to be moved to location 2 on host Y and retain ip Q. We cannot move the /25, there are other hosts+vms+cts on it at 1. We can only route Q/32 to Y. The CT's software cannot be touched or reconfigured or otherwise...
  5. M

    jitsi breaks pct list and pve web console: can't open '/sys/fs/cgroup/cpuacct/lxc/673/ns/cpuacct.stat'

    Bump? Zoom is politically compromised, jitsi is becoming a serious application used by customers. Please advise.
  6. M

    lxc issues with proc disappearing to certain processes

    This is the second server with this issue now. I mentioned it here before: https://forum.proxmox.com/threads/pct-list-not-working.59820/#post-281223 when I 'pct enter' the lxc, there's no /proc, this causes a lot of problems. It seems a customer sshing as a user then su'ing to root also saw...
  7. M

    jitsi breaks pct list and pve web console: can't open '/sys/fs/cgroup/cpuacct/lxc/673/ns/cpuacct.stat'

    This is a more serious issue: I cannot create new containers and the console is partly broken/not reporting anything about any containers (all greyed out) when this container is running. To add a container, I had to shut down the offending one temporarily. Any hints?
  8. M

    jitsi breaks pct list and pve web console: can't open '/sys/fs/cgroup/cpuacct/lxc/673/ns/cpuacct.stat'

    proxmox-ve: 5.4-2 (running kernel: 4.15.18-21-pve) pve-manager: 5.4-13 (running version: 5.4-13/aee6f0ec) pve-kernel-4.15: 5.4-9 pve-kernel-4.15.18-21-pve: 4.15.18-48 pve-kernel-4.15.18-12-pve: 4.15.18-36 corosync: 2.4.4-pve1 criu: 2.11.1-1~bpo90 glusterfs-client: 3.8.8-1 ksm-control-daemon...
  9. M

    cpanel dovecot resource issue with apparmor

    This seems related to an issue Im having again now: https://forum.proxmox.com/threads/pct-list-broken-due-to-container-problem-cant-open-sys-fs-cgroup-cpuacct-lxc-673-ns-cpuacct-stat.68430/
  10. M

    jitsi breaks pct list and pve web console: can't open '/sys/fs/cgroup/cpuacct/lxc/673/ns/cpuacct.stat'

    A few days ago I added some sound loopback (aloop) stuff to run jitsi in a container. I put this into the lxc/673.conf lxc.apparmor.profile: unconfined lxc.cgroup.devices.allow = c 116:2 rwm lxc.cgroup.devices.allow = c 116:4 rwm lxc.cgroup.devices.allow = c 116:3 rwm lxc.cgroup.devices.allow =...
  11. M

    ERROR lxc_network - network.c:instantiate_veth:130 - Failed to create veth pair

    In my case it was trying to add an IP via container /etc/pve/lxc/*.conf to a vmbr bridge that didnt exist. The /etc/network/interfaces of the host had an error and the bridge didnt exist.
  12. M

    LXC won't start/stop - Failed to create veth pair

    In my case it was trying to add an IP via container /etc/pve/lxc/*.conf to a vmbr bridge that didnt exist. The /etc/network/interfaces of the host had an error and the bridge didnt exist.
  13. M

    lxc start permissions for /run

    yes priviledged always because of many issues without it (such as postfix not working), distribution is debian 8.11 though I've seen it in debian 7 as well. I should put some debug statements into the screen init.d script to see what's going on, its skipping creating it 775 as root:utmp...
  14. M

    can't restart service (maridadb): systemd not booted as pid 1

    If that's the solution, ok, thanks. Curious people were running 5.3 at all with mariadb, it's a pretty popular setup! The other server with issues from the other thread with this missing /proc problem and similar systemd problems is: proxmox-ve: 5.4-2 (running kernel: 4.15.18-20-pve)...
  15. M

    PCT list not working

    update: was finally able to move 741 off the server and pct destroy 741 it, and now I can pct list. However, I still dont trust the server due to repeated situations where I pct enter into a CT and get "proc not mounted" whereas ssh'ing in works ok. something bizarre is afoot. and now has...
  16. M

    can't restart service (maridadb): systemd not booted as pid 1

    Very curious situation, which occured as well on another node of mine which I've been slowly unloading to reinstall completely, but has now happened on a more recently installed node. Mariadb crashed for some reason (it is doing this much more frequently under pve 5.3 and .4 with maria 10.2 an...
  17. M

    lxc start permissions for /run

    Screen users cant start screen because '/run/screen - no such directory' But /run comes up 755 - so anything that doesnt suid cant put it's pid file or create its /run directory hierarchy. How to mitigate this? /etc/init.d/screen-cleanup is supposed to create the directory properly, and used...
  18. M

    Reinstall over existing rpool (wiping all disks)

    Thanks for the shortcut will try it next time. In my case, not too bad now knowing what to do. One thing that did happen is that I could not zpool export oldrpool once I had booted to the new install, but a reboot fixed that (then I could labelclear and reattach it, etc.). Could not for the...
  19. M

    Reinstall over existing rpool (wiping all disks)

    I've got a remote machine with remote console and want the quickest way to reinstall overtop of the old disks (losing all data, I've moved all containers elsewhere). Problem is if I dont wipe the disks, the installer barfs on rpool already existing. I am pretty sure I cant zpool export rpool...
  20. M

    cPanel Disk Quotas for LXC - need help

    no, the hardware will not fail any faster, and there will be no errors. the issue is performance. it is possible that one runs into a cornercase of pathologically bad allocation patterns that have both ext4 and the underlying zvol fighting and producing a huge slowdown, but it may be a small...