[Xen-users] Xen Cloud Platform 1.1 restart unexpectedly

[mailer regs <mailer.regs@xxxxxxxxx>]

Dear xen-users,

I'm using Xen Cloud platform 1.1 with cloudstack. I have this
situation, not sure if it's a bug or intended behavior.

I've setup 2 servers: A hosts NFS server, B is installed XCP 1.1. I've
mounted NFS shared directory from A to B, to make a SR for virtual
guest disk image. (which in cloudstack, is called primary storage).

But when I stop the NFS service, or shutdown A, which means all the
I/O to the NFS share is disconnected, then B is restarted after that.

I don't know where to check. The most meaningful log to me is written below.

Mar 30 20:35:25 xen01 fe: 19999 (/etc/xapi.d/plugins/vmops <methodCall><methodNa
me>gethostvmstats</methodName>...) exitted with code 0
Mar 30 20:35:41 xen01 heartbeat: Problem with /var/run/sr-mount/92acaa0f-0dbf-75
e5-f70d-42968ec75ca4/hb-49618ae7-5248-4490-8228-7b1b9728a32c
^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@^@Mar
30 20:37:25 xen01 syslogd 1.4.1: restart.
Mar 30 20:37:25 xen01 kernel: klogd 1.4.1, log source = /proc/kmsg started.
Mar 30 20:37:25 xen01 kernel: Reserving virtual address space above 0xff400000
Mar 30 20:37:25 xen01 kernel: Linux version
2.6.32.12-0.7.1.xs1.1.0.327.170596xen (geeko@buildhost) (gcc version
4.1.2 20080704 (Red Hat 4.1.2-48)) #1 SMP Fri Sep 16 17:45:00 EDT 2011
Mar 30 20:37:25 xen01 kernel: KERNEL supported cpus:
Mar 30 20:37:25 xen01 kernel:   Intel GenuineIntel
Mar 30 20:37:25 xen01 kernel:   AMD AuthenticAMD
Mar 30 20:37:25 xen01 kernel:   NSC Geode by NSC
Mar 30 20:37:25 xen01 kernel:   Cyrix CyrixInstead
Mar 30 20:37:25 xen01 kernel:   Centaur CentaurHauls
Mar 30 20:37:25 xen01 kernel:   Transmeta GenuineTMx86
Mar 30 20:37:25 xen01 kernel:   Transmeta TransmetaCPU
Mar 30 20:37:25 xen01 kernel: Xen-provided machine memory map:


Please confirm is it a bug ? Or intended behavior ? If it's a bug, is
there a fix yet ?

Thanks.

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