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    ceph-crash problem

    https://bugzilla.proxmox.com/show_bug.cgi?id=4759#c7
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    ceph-crash problem

    I added separate auth for ceph-crash with ceph auth get-or-create client.crash mon 'profile crash' mgr 'profile crash' and added it to a dedicated keyring /etc/pve/ceph.client.crash.keyring. Then I added the following to ceph.conf to make sure ceph-crash could pick it up. [client.crash]...
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    Dual stack Ceph, KRBD and EFI/TPM problem

    I see, that makes sense, thanks for clearing that up.
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    Dual stack Ceph, KRBD and EFI/TPM problem

    Hi guys, I'm experimenting with dual stack Ceph and due to missing support for dual stack in the kernel client I'm currently not using KRBD in the storage config. This works fine for VM storage except for EFI/TPM volumes. It seems as if those disks are always using KRBD, ignoring the storage...
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    Post v8 upgrade, /etc/pve/mapping missing folder

    When trying to add a USB mapping I got an error about "no such file or directory". Running this command fixed the issue: mkdir /etc/pve/mapping
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    apt autoremove keeps too many kernels - out of ESP space

    I checked again and sorry for the confusion. I think some kernel packages did not autoremove since they may have been installed manually and I did not run apt-mark auto on them after. Afaict there are still no more than 4 kernels on the ESP, which fit nicely on a 512MB partition, even if there...
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    apt autoremove keeps too many kernels - out of ESP space

    Sure, I mounted it first as shown in my post, just to list the contents here.
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    apt autoremove keeps too many kernels - out of ESP space

    Good point, but I've completely purged all grub packages from the system and cleaned ESP, so there are just a few files on them now. root@osl101pve:~# mount /dev/sda2 /boot/efi/ root@osl101pve:~# find /boot/ -ls 2 9 drwxr-xr-x 4 root root 12 Nov 24 21:11 /boot/...
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    apt autoremove keeps too many kernels - out of ESP space

    I found this portion in /usr/share/pve-kernel-helper/scripts/functions # Mark as not-for-autoremoval those kernel packages that are: # - the currently booted version, if still installed # - the kernel version we've been called for # - the latest kernel version (as determined by debian...
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    Attach unused disk to different VM

    That's great! (I assumed someone had already thought of this, thanks for the confirmation). :) Do you also plan to add some more generic disk-rename functionality? I noticed pve only cares about the first part of the disk name [vm|base]-100-* so it could be possible to give disks more...
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    Attach unused disk to different VM

    Hi, don't know if this is already possible or if this is the right place to suggest it. While e.g. preparing VM templates is sometimes very helpful to be able to reattach a VM disk to another VM. I would like to be able to select an unused disk and "attach it" to a different VM, giving a VM id...
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    [SOLVED] PVE 5.4-11 + Corosync 3.x: major issues

    Yes, all nodes completely up to date as of today. (and corosync and/or node restarted). Cluster has been stable ever since the first patched 1.11 knet update from pvetest, and later upgraded to latest version 1.12. I've also applied the suggested knet timeout tweaks since we only have a single ring.
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    [SOLVED] PVE 5.4-11 + Corosync 3.x: major issues

    Got a segfault today. Attached coredump (recompressed with xz for size and gz for accepted filetype in forum). PID: 2200707 (corosync) UID: 0 (root) GID: 0 (root) Signal: 11 (SEGV) Timestamp: Thu 2019-10-03 16:42:21 CEST (18min ago) Command Line...
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    [SOLVED] PVE 5.4-11 + Corosync 3.x: major issues

    Yeah, according to the lacp specs, correct ordering is required, so since I'm on lacp+balance-tcp I'm good from that standpoint. The xor hashing both in ovs and the Cisco switch with src-dst-tcp should be 100% deterministic and make each tcp stream stay on a single interface. This is my...
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    [SOLVED] PVE 5.4-11 + Corosync 3.x: major issues

    Sorry, I got that mixed up. I meant balance-tcp and was referring to https://pve.proxmox.com/pve-docs/chapter-sysadmin.html#_linux_bond which says that But during my limited testing it looks as if other bonding modes can work fine too. (Perhaps getting a bit OT here.)
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    [SOLVED] PVE 5.4-11 + Corosync 3.x: major issues

    If that was referring to me, not really any problems with ovs. I'm running balance-tcp lacp after patch was installed on 16 node cluster. In fact, not even a single log entry for corosync since, and I've tried to stress test it by running iperf sessions in both directions (even simultaneously...
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    [SOLVED] PVE 5.4-11 + Corosync 3.x: major issues

    Thanks a lot! I've reverted the kernel/driver flags and installed the new patched version and after initial tests it looks very promising. There are still retransmits while the LACP bonds are renegotiating if I play with the bonding settings and such but that is to be expected. I'm...
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    [SOLVED] PVE 5.4-11 + Corosync 3.x: major issues

    Unfortunately, I don't think it made a difference, I still have problems, and had to recover from a cluster meltdown yesterday. I have tried both intremap=off and disable_msi=1, both with no success -- which was expected, since all the posts suggesting those flags are for older kernel versions...
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    [SOLVED] PVE 5.4-11 + Corosync 3.x: major issues

    I found I had a flakey LACP bond between two switches. Rebooted the switches and that seems resolved. I've added options bnx2 disable_msi=1 to /etc/modprobe.d/bnx2.conf and rebooted all hosts (checked lspci -v for MSI-X: Enable- afterwards). So far no more corosync segfaults, but I have yet to...

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