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Hello
I am contacting you because I currently have a proxmox cluster in production composed of 4 servers.
One of the servers restarts randomly after a few weeks.
I don't know why?
My version is 8.2.
Possibly it loses connection to corosync so the node fences itself and restarts.
Hello
Thanks for your reply
How can we see this in the logs ?
Nov 29 03:18:06 pve4 systemd-logind[3591]: Removed session 259444.
Nov 29 03:18:13 pve4 pvestatd[4337]: got timeout
Nov 29 03:18:14 pve4 pvestatd[4337]: status update time (5.822 seconds)
Nov 29 03:18:23 pve4 pvestatd[4337]: got timeout
Nov 29 03:18:24 pve4 pvestatd[4337]: status update time (5.859 seconds)
Nov 29 03:18:33 pve4 pvestatd[4337]: got timeout
Nov 29 03:18:34 pve4 pvestatd[4337]: status update time (5.824 seconds)
Nov 29 03:18:43 pve4 pvestatd[4337]: got timeout
Nov 29 03:18:44 pve4 pvestatd[4337]: status update time (5.894 seconds)
Nov 29 03:18:53 pve4 pvestatd[4337]: got timeout
Nov 29 03:18:54 pve4 pvestatd[4337]: status update time (5.834 seconds)
Nov 29 03:19:03 pve4 pvestatd[4337]: got timeout
Nov 29 03:19:03 pve4 pvestatd[4337]: status update time (5.835 seconds)
Nov 29 03:19:06 pve4 sshd[3634915]: Accepted password for root from 172.16.111.106 port 49335 ssh2
Nov 29 03:19:06 pve4 sshd[3634915]: pam_unix(sshd:session): session opened for user root(uid=0) by (uid=0)
Nov 29 03:19:06 pve4 systemd-logind[3591]: New session 259445 of user root.
Nov 29 03:19:06 pve4 systemd[1]: Started session-259445.scope - Session 259445 of User root.
Nov 29 03:19:06 pve4 sshd[3634915]: pam_env(sshd:session): deprecated reading of user environment enabled
Nov 29 03:19:06 pve4 sshd[3634915]: Received disconnect from 172.16.111.106 port 49335:11: Connection terminated by the client.
Nov 29 03:19:06 pve4 sshd[3634915]: Disconnected from user root 172.16.111.106 port 49335
Nov 29 03:19:06 pve4 sshd[3634915]: pam_unix(sshd:session): session closed for user root
Nov 29 03:19:06 pve4 systemd[1]: session-259445.scope: Deactivated successfully.
Nov 29 03:19:06 pve4 systemd-logind[3591]: Session 259445 logged out. Waiting for processes to exit.
Nov 29 03:19:06 pve4 systemd-logind[3591]: Removed session 259445.
Nov 29 03:19:14 pve4 pvestatd[4337]: got timeout
Nov 29 03:19:14 pve4 pvestatd[4337]: status update time (5.820 seconds)
Nov 29 03:19:22 pve4 pmxcfs[4152]: [status] notice: received log
Nov 29 03:19:22 pve4 pvedaemon[3410916]: got timeout
Nov 29 03:19:24 pve4 pvestatd[4337]: got timeout
Nov 29 03:19:24 pve4 pvestatd[4337]: status update time (5.807 seconds)
Nov 29 03:19:26 pve4 pmxcfs[4152]: [status] notice: received log
Nov 29 03:19:34 pve4 pvestatd[4337]: got timeout
Nov 29 03:19:34 pve4 pvestatd[4337]: status update time (5.845 seconds)
Nov 29 03:19:43 pve4 pvestatd[4337]: got timeout
Nov 29 03:19:44 pve4 pvestatd[4337]: status update time (5.827 seconds)
Nov 29 03:19:53 pve4 pvestatd[4337]: got timeout
Nov 29 03:19:54 pve4 pvestatd[4337]: status update time (5.879 seconds)
Nov 29 03:20:03 pve4 pvestatd[4337]: got timeout
Nov 29 03:20:04 pve4 pvestatd[4337]: status update time (5.920 seconds)
Nov 29 03:20:06 pve4 sshd[3635635]: Accepted password for root from 172.16.111.106 port 49524 ssh2
Nov 29 03:20:06 pve4 sshd[3635635]: pam_unix(sshd:session): session opened for user root(uid=0) by (uid=0)
Nov 29 03:20:06 pve4 systemd-logind[3591]: New session 259446 of user root.
Nov 29 03:20:06 pve4 systemd[1]: Started session-259446.scope - Session 259446 of User root.
Nov 29 03:20:06 pve4 sshd[3635635]: pam_env(sshd:session): deprecated reading of user environment enabled
Nov 29 03:20:06 pve4 sshd[3635635]: Received disconnect from 172.16.111.106 port 49524:11: Connection terminated by the client.
Nov 29 03:20:06 pve4 sshd[3635635]: Disconnected from user root 172.16.111.106 port 49524
Nov 29 03:20:06 pve4 sshd[3635635]: pam_unix(sshd:session): session closed for user root
Nov 29 03:20:06 pve4 systemd[1]: session-259446.scope: Deactivated successfully.
Nov 29 03:20:06 pve4 systemd-logind[3591]: Session 259446 logged out. Waiting for processes to exit.
Nov 29 03:20:06 pve4 systemd-logind[3591]: Removed session 259446.
Nov 29 03:20:13 pve4 pvestatd[4337]: got timeout
Nov 29 03:20:13 pve4 pvestatd[4337]: status update time (5.851 seconds)
-- Reboot --
Nov 29 03:24:03 pve4 kernel: Linux version 6.8.12-9-pve (build@proxmox) (gcc (Debian 12.2.0-14) 12.2.0, GNU ld (GNU Binutils for Debian) 2.40) #1 SMP PREEMPT_DYNAMIC PMX 6.8.12-9 (2025-03-16T19:18Z) ()
Nov 29 03:24:03 pve4 kernel: Command line: initrd=\EFI\proxmox\6.8.12-9-pve\initrd.img-6.8.12-9-pve root=ZFS=rpool/ROOT/pve-1 boot=zfs
Nov 29 03:24:03 pve4 kernel: KERNEL supported cpus:
Nov 29 03:24:03 pve4 kernel: Intel GenuineIntel
Nov 29 03:24:03 pve4 kernel: AMD AuthenticAMD
Nov 29 03:24:03 pve4 kernel: Hygon HygonGenuine
Nov 29 03:24:03 pve4 kernel: Centaur CentaurHauls
Nov 29 03:24:03 pve4 kernel: zhaoxin Shanghai
Nov 29 03:24:03 pve4 kernel: BIOS-provided physical RAM map:
Nov 29 03:24:03 pve4 kernel: BIOS-e820: [mem 0x0000000000000000-0x000000000009ffff] usable
Nov 29 03:24:03 pve4 kernel: BIOS-e820: [mem 0x00000000000a0000-0x00000000000fffff] reserved
Nov 29 03:24:03 pve4 kernel: BIOS-e820: [mem 0x0000000000100000-0x00000000682fefff] usable
Nov 29 03:24:03 pve4 kernel: BIOS-e820: [mem 0x00000000682ff000-0x000000006ebfefff] reserved
Nov 29 03:24:03 pve4 kernel: BIOS-e820: [mem 0x000000006ebff000-0x000000006f9fefff] ACPI NVS
Nov 29 03:24:03 pve4 kernel: BIOS-e820: [mem 0x000000006f9ff000-0x000000006fffefff] ACPI data
Nov 29 03:24:03 pve4 kernel: BIOS-e820: [mem 0x000000006ffff000-0x000000006fffffff] usable
Nov 29 03:24:03 pve4 kernel: BIOS-e820: [mem 0x0000000070000000-0x000000008fffffff] reserved
Nov 29 03:24:03 pve4 kernel: BIOS-e820: [mem 0x00000000fe000000-0x00000000fe010fff] reserved
Nov 29 03:24:03 pve4 kernel: BIOS-e820: [mem 0x0000000100000000-0x000000906fffffff] usable
Nov 29 03:24:03 pve4 kernel: NX (Execute Disable) protection: active
Nov 29 03:24:03 pve4 kernel: APIC: Static calls initialized
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b949020-0x4b95105f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b949020-0x4b95105f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b934020-0x4b94885f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b934020-0x4b94885f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b8d2020-0x4b93365f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b8d2020-0x4b93365f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b870020-0x4b8d165f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b870020-0x4b8d165f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b80e020-0x4b86f65f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b80e020-0x4b86f65f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b7ac020-0x4b80d65f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b7ac020-0x4b80d65f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b7a5020-0x4b7ab45f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b7a5020-0x4b7ab45f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b79e020-0x4b7a445f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b79e020-0x4b7a445f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b797020-0x4b79d45f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: e820: update [mem 0x4b797020-0x4b79d45f] usable ==> usable
Nov 29 03:24:03 pve4 kernel: extended physical RAM map:
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x0000000000000000-0x000000000009ffff] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x00000000000a0000-0x00000000000fffff] reserved
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x0000000000100000-0x000000004b79701f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b797020-0x000000004b79d45f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b79d460-0x000000004b79e01f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b79e020-0x000000004b7a445f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b7a4460-0x000000004b7a501f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b7a5020-0x000000004b7ab45f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b7ab460-0x000000004b7ac01f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b7ac020-0x000000004b80d65f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b80d660-0x000000004b80e01f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b80e020-0x000000004b86f65f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b86f660-0x000000004b87001f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b870020-0x000000004b8d165f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b8d1660-0x000000004b8d201f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b8d2020-0x000000004b93365f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b933660-0x000000004b93401f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b934020-0x000000004b94885f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b948860-0x000000004b94901f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b949020-0x000000004b95105f] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000004b951060-0x00000000682fefff] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x00000000682ff000-0x000000006ebfefff] reserved
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000006ebff000-0x000000006f9fefff] ACPI NVS
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000006f9ff000-0x000000006fffefff] ACPI data
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x000000006ffff000-0x000000006fffffff] usable
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x0000000070000000-0x000000008fffffff] reserved
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x00000000fe000000-0x00000000fe010fff] reserved
Nov 29 03:24:03 pve4 kernel: reserve setup_data: [mem 0x0000000100000000-0x000000906fffffff] usable