Open Stack

Hi,

we have OpenStack Juno installed with a multinode setup.
In our openstack environment "nova suspend" operation is working fine for
the VMs which are booted from a glance image.
We are having the problem running "nova suspend" operation on some of the
VMs which are pxe booted from other VMs.

nova suspend operation failing with following error.

2015-08-20 06:22:50.730 16956 TRACE oslo.messaging.rpc.dispatcher     rv =
meth(*args, **kwargs)^M
2015-08-20 06:22:50.730 16956 TRACE oslo.messaging.rpc.dispatcher   File
"/usr/lib64/python2.7/site-packages/libvirt.py", line 901, in
managedSave^M
2015-08-20 06:22:50.730 16956 TRACE oslo.messaging.rpc.dispatcher     if
ret == -1: raise libvirtError ('virDomainManagedSave() failed',
dom=self)^M
2015-08-20 06:22:50.730 16956 TRACE oslo.messaging.rpc.dispatcher
libvirtError: operation failed: domain save job: unexpectedly failed^M

When we do nova suspend operation it performs libvirt managedsave on the VM.
So we tried to perform "virsh managedsave" on the VM from the compute node
where it is running.
This problem exist not only with the openstack but also when we do
managedsave using virsh tool.
managedsave operation is failing with the same error using virsh tools also.

Following is the configuration we have used for the VM:

[root at controller ~(keystone_admin)]# nova flavor-list
+--------------------------------------+--------------+-----------+------+-----------+------+-------+-------------+-----------+
| ID                                   | Name         | Memory_MB | Disk |
Ephemeral | Swap | VCPUs | RXTX_Factor | Is_Public |
+--------------------------------------+--------------+-----------+------+-----------+------+-------+-------------+--------
| 10 | test-pxe        | 49152     | 0    | 0         |      | 16    |
1.0         | True      |
+--------------------------------------+--------------+-----------+------+-----------+------+-------+-------------+-----------+
and a small ipxe image for network boot.

Could someone help me debug this issue?

Regards,
Vijaya
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