Host stop randomly in cluster

Oyabi

Renowned Member
May 10, 2016
6
0
66
Hi,
I have a Proxmox cluster with 8 hosts and randomly a host stop.
I have no clue in log and I need your help.

/var/log/auth.log:
Code:
May 24 18:04:01 prox3 CRON[31734]: pam_unix(cron:session): session closed for user root
May 24 18:05:01 prox3 CRON[31854]: pam_unix(cron:session): session opened for user root by (uid=0)
May 24 18:05:01 prox3 CRON[31854]: pam_unix(cron:session): session closed for user root
May 24 18:06:01 prox3 CRON[31963]: pam_unix(cron:session): session opened for user root by (uid=0)
May 24 18:06:01 prox3 CRON[31963]: pam_unix(cron:session): session closed for user root
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@$
May 24 19:29:58 prox3 systemd-logind[1703]: Watching system buttons on /dev/input/event1 (Power Button)
May 24 19:29:58 prox3 systemd-logind[1703]: Watching system buttons on /dev/input/event0 (Power Button)
May 24 19:29:58 prox3 sshd[1779]: Server listening on 0.0.0.0 port 22.
May 24 19:29:58 prox3 sshd[1779]: Server listening on :: port 22.
May 24 19:30:18 prox3 sshd[2950]: Connection closed by 127.0.0.1 [preauth]
May 24 19:30:18 prox3 sshd[2951]: Connection closed by 127.0.0.1 [preauth]

/var/log/syslog.1:
Code:
May 24 18:01:05 prox3 pvedaemon[2232]: worker 31458 started
May 24 18:02:01 prox3 CRON[31516]: (root) CMD (/usr/local/rtm/bin/rtm 39 > /dev/null 2> /dev/null)
May 24 18:03:01 prox3 CRON[31626]: (root) CMD (/usr/local/rtm/bin/rtm 39 > /dev/null 2> /dev/null)
May 24 18:03:59 prox3 pvedaemon[29768]: <root@pam> successful auth for user 'root@pam'
May 24 18:04:01 prox3 CRON[31735]: (root) CMD (/usr/local/rtm/bin/rtm 39 > /dev/null 2> /dev/null)
May 24 18:05:01 prox3 CRON[31855]: (root) CMD (/usr/local/rtm/bin/rtm 39 > /dev/null 2> /dev/null)
May 24 18:06:01 prox3 CRON[31964]: (root) CMD (/usr/local/rtm/bin/rtm 39 > /dev/null 2> /dev/null)
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@$
May 24 19:29:58 prox3 systemd-modules-load[398]: Module 'fuse' is builtin
May 24 19:29:58 prox3 systemd-modules-load[398]: Inserted module 'ipmi_devintf'
May 24 19:29:58 prox3 systemd-modules-load[398]: Inserted module 'ipmi_poweroff'
May 24 19:29:58 prox3 systemd-modules-load[398]: Inserted module 'ipmi_si'
May 24 19:29:58 prox3 systemd-modules-load[398]: Module 'ipmi_watchdog' is blacklisted
May 24 19:29:58 prox3 systemd-modules-load[398]: Inserted module 'vhost_net'
May 24 19:29:58 prox3 hdparm[426]: RAID status not OK. Exiting. ... failed!
May 24 19:29:58 prox3 keyboard-setup[425]: Setting preliminary keymap...done.
May 24 19:29:58 prox3 systemd-fsck[624]: /dev/md4 : récupération du journal

Code:
root@prox3:/var/log# pveversion -v
proxmox-ve: 4.2-51 (running kernel: 4.4.8-1-pve)
pve-manager: 4.2-5 (running version: 4.2-5/7cf09667)
pve-kernel-4.4.6-1-pve: 4.4.6-48
pve-kernel-4.4.8-1-pve: 4.4.8-51
pve-kernel-4.2.8-1-pve: 4.2.8-41
lvm2: 2.02.116-pve2
corosync-pve: 2.3.5-2
libqb0: 1.0-1
pve-cluster: 4.0-39
qemu-server: 4.0-75
pve-firmware: 1.1-8
libpve-common-perl: 4.0-62
libpve-access-control: 4.0-16
libpve-storage-perl: 4.0-50
pve-libspice-server1: 0.12.5-2
vncterm: 1.2-1
pve-qemu-kvm: 2.5-17
pve-container: 1.0-64
pve-firewall: 2.0-27
pve-ha-manager: 1.0-31
ksm-control-daemon: 1.2-1
glusterfs-client: 3.5.2-2+deb8u1
lxc-pve: 1.1.5-7
lxcfs: 2.0.0-pve2
cgmanager: 0.39-pve1
criu: 1.6.0-1
zfsutils: 0.6.5-pve9~jessie
openvswitch-switch: 2.5.0-1
ceph: 0.94.7-1~bpo80+1

I have this error on a second host yesterday with the same error message `^@^@...`

What's the meaning of `^@^@^@^@^@^@^@^@^@^@^@[..]^@` ?


Regards.
 

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