Hi Vadim, What kind of storage do you use? Can you show /var/log/xha.log (I think that is the name) please? It could be xen-ha that fences the box if the heartbeat cannot be written.
You suggest it is CloudStack. Did you see anything in the mgt logs? Regards, Remi Sent from my iPhone > On 07 Sep 2015, at 08:26, Vadim Kimlaychuk <va...@kickcloud.net> wrote: > > Hello all, > > I have experienced accidental cluster reboot 3 days after update to CS > 4.5.2. Cluster is XenServer 6.5 with SP1. Reboot has been started from slave > node and then - master. > Syslog on slave shows only this: > > Sep 6 00:47:05 xcp2 last message repeated 3 times > Sep 6 00:47:15 xcp2 xenstored: D12 write data/meminfo_free > 713732 > Sep 6 00:47:15 xcp2 xenstored: A1564203 w event > /local/domain/12/data/meminfo_free /local/domain/12/data/meminfo_free > Sep 6 00:47:15 xcp2 xenstored: D12 write data/updated Sun Sep > 6 00:48:55 EEST 2015 > Sep 6 00:47:15 xcp2 xenstored: A6 w event > /local/domain/12/data/updated /local/domain/12/data/updated > Sep 6 00:47:15 xcp2 xenstored: A10 w event > /local/domain/12/data/updated /local/domain/12/data/updated > Sep 6 00:47:26 xcp2 dhclient: DHCPREQUEST on xenbr0 to 172.17.0.1 port 67 > (xid=0x304ae9dc) > Sep 6 00:47:27 xcp2 xapi: [ info|xcp2|462044 INET > 0.0.0.0:80|dispatch:host.call_plugin D:7593b578fada|taskhelper] task > host.call_plugin R:ddd3cc399f86 forwarded > (trackid=407f6adaa118a34f19eb1e29cd68a0e8) > Sep 6 00:47:36 xcp2 dhclient: DHCPREQUEST on xenbr0 to 172.17.0.1 port 67 > (xid=0x304ae9dc) > Sep 6 00:48:18 xcp2 last message repeated 4 times > Sep 6 00:48:25 xcp2 xenstored: D1 write data/meminfo_free > 1740496 > Sep 6 00:48:25 xcp2 xenstored: A1564203 w event > /local/domain/1/data/meminfo_free /local/domain/1/data/meminfo_free > Sep 6 00:48:25 xcp2 xenstored: D1 write data/updated Sat Sep > 5 21:50:07 EEST 2015 > Sep 6 00:48:25 xcp2 xenstored: A6 w event > /local/domain/1/data/updated /local/domain/1/data/updated > Sep 6 00:48:25 xcp2 xenstored: A10 w event > /local/domain/1/data/updated /local/domain/1/data/updated > Sep 6 00:48:26 xcp2 dhclient: DHCPREQUEST on xenbr0 to 172.17.0.1 port 67 > (xid=0x304ae9dc) > Sep 6 00:48:27 xcp2 xapi: [ info|xcp2|462044 INET > 0.0.0.0:80|dispatch:host.call_plugin D:f2c8987bc0ff|taskhelper] task > host.call_plugin R:b62d2d4f58eb forwarded > (trackid=e3d4ea00c96194830a7dbbfc35563a3c) > Sep 6 00:48:38 xcp2 dhclient: DHCPREQUEST on xenbr0 to 172.17.0.1 port 67 > (xid=0x304ae9dc) > Sep 06 00:48:48 xcp2 syslogd 1.4.1: restart. > Sep 6 00:48:48 xcp2 kernel: klogd 1.4.1, log source = /proc/kmsg started. > Sep 6 00:48:48 xcp2 kernel: [ 0.000000] Initializing cgroup subsys cpuset > Sep 6 00:48:48 xcp2 kernel: [ 0.000000] Initializing cgroup subsys cpu > Sep 6 00:48:48 xcp2 kernel: [ 0.000000] Initializing cgroup subsys cpuacct > Sep 6 00:48:48 xcp2 kernel: [ 0.000000] Linux version 3.10.0+2 > > Can anyone help with diagnostics ? > > Thank you, > > Vadim.
