VM creation and Virtual IP to the OVM pool

hi,
i have confiugred a pool of 8 servers and repository mounted on Nfs.
while creating Vms the OVM gives me a error..
Register virtual machine cdrom
Register virtual machine preferred server
Create HVM: preJobs
Failed. Result - failed:<Exception: failed:<Exception: ['virt-install', '--hvm', '--name=18_Deven1', '--ram=1024', '--vcpus=1', '--vnc', '--vnclisten=0.0.0.0', '--vncpasswd=/tmp/tmp59GP-1', '--noautoconsole', '--keep-cdrom', '--cdrom=/var/ovs/mount/825D2FF7ED2645428AD5AED714B5E777/iso_pool/Win 2003/W2K3-SP2.iso', '--mac=00:16:3E:12:E4:DE', '--bridge=vlan225', '--file=/var/ovs/mount/825D2FF7ED2645428AD5AED714B5E777/running_pool/18_Deven1/System.img', '--file-size=10.0', '--os-type=windows', '--os-variant=win2k3', '--keymap=en-us'] => libvir: Xen Daemon error : POST operation failed: (xend.err 'Error creating domain: Acquire running lock failed: 256')
Failed to create domain 18_Deven1
Traceback (most recent call last):
File "/opt/oracle/usr/sbin/virt-install", line 506, in ?
main()
File "/opt/oracle/usr/sbin/virt-install", line 470, in main
dom = guest.start_install(conscb)
File "/opt/oracle/usr/lib/python2.4/site-packages/virtinst/XenGuest.py", line 408, in start_install
self.domain = self.conn.createLinux(cxml, 0)
File "/opt/oracle/usr/lib/python2.4/site-packages/libvirt.py", line 249, in createLinux
if ret is None:raise libvirtError('virDomainCreateLinux() failed')
libvirt.libvirtError: virDomainCreateLinux() failed
+>+
StackTrace:
File "/opt/ovs-agent-2.3/OVSXXenVMInstall.py", line 173, in xen_install_vm_hvm
run_cmd(args=cmdlist)
File "/opt/ovs-agent-2.3/OVSCommons.py", line 69, in run_cmd
raise Exception('%s => %s' % (cmdlist, p.childerr.read()))
+>+
StackTrace:
File "/opt/ovs-agent-2.3/OVSSiteVMInstall.py", line 100, in install_vm_hvm
else: raise Exception(rs)
Now the Virtual IP issue,
out of the 8 servers, 1 is given role of master, utility and vm server and the rest 7 are utility and vm servers.
servers have 8 nics in all. i have grouped them in 4 (LACP). 1 grp for network and other for Data.
Also I have given a virtual IP to the pool, in case the master fails, other server takes over the role of master server..
when i checked rebooting the master server, a diff server from the pool took over as the master server. the Virtual IP gave RTOs.
All my servers became unreachable.
kindly help.

No. The VM manager is run as a seprate box with 4G RAM..

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