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Re: [Xen-devel] Live migration of DomU created by Xen-API.

Hi!

Sorry for the delay been abit much right now but here it comes.

1, xm migrate does not work on any hosts created by the API, but hosts
that are created by xm create works.
2, all systems are 32pae RHEL5 systems. Kernel 2.6.18-53.1.13.el5 #1 SMP
3,
----------
root@talikser ~]# xm info
host                   : talikser.cardium.se
release                : 2.6.18.8
version                : #1 SMP Tue Feb 12 19:29:46 CET 2008
machine                : i686
nr_cpus                : 2
nr_nodes               : 1
cores_per_socket       : 2
threads_per_core       : 1
cpu_mhz                : 2133
hw_caps                :
bfebfbff:20000000:00000000:00000140:0000e3bd:00000000:00000001
total_memory           : 8190
free_memory            : 6
node_to_cpu            : node0:0-1
xen_major              : 3
xen_minor              : 2
xen_extra              : .0
xen_caps               : xen-3.0-x86_32p hvm-3.0-x86_32 hvm-3.0-x86_32p
xen_scheduler          : credit
xen_pagesize           : 4096
platform_params        : virt_start=0xf5800000
xen_changeset          : unavailable
cc_compiler            : gcc version 4.1.2 20070626 (Red Hat 4.1.2-14)
cc_compile_by          : root
cc_compile_domain      : cardium.se
cc_compile_date        : Tue Feb 12 15:39:27 CET 2008
xend_config_format     : 4
---------

Any more info you guys need?

Emil Palm
Cardium AB


On Feb 23, 2008 07:20 AM, Kurt Hackel <kurt.hackel@xxxxxxxxxx> wrote:

>Hi,
>
>On Fri, Feb 22, 2008 at 09:52:09AM +0100, Palm Emil wrote:
>>Hi, cant signup to the list so please send all replys to me in person
>>also please.
>>
>>When i create a DomU using the Xen-API everything works fine except
>>for
>>migrating the DomU from a machine to another.
>>The hosts are 2 identical DL320s so they shouldnt be the problem. And
>>if
>>i create a domU using xm commands it all works fine too.
>
>Does 'xm migrate' work, or is it just the XenAPI driven migrate that
>fails? What type of domU are you migrating (32pae or 64bit?, OS?,
>kernel version?) and what version and bitness of the hypervisor and
>dom0
>are you running?
>
>Thanks
>kurt
>
>>
>>This is the error i get. If anyone can give me a headsup please do.
>>
>>Errors:
>>
>>
>>[2008-02-22 09:51:06 23838] DEBUG (XendCheckpoint:89) [xc_save]:
>>/usr/lib/xen/bin/xc_save 27 47 0 0 5
>>[2008-02-22 09:51:07 23838] INFO (XendCheckpoint:365) Saving memory
>>pages: iter 1   0%ERROR Internal error: Error when writing to state
>>file
>>(5) (errno 104)
>>[2008-02-22 09:51:07 23838] INFO (XendCheckpoint:365) Save exit rc=1
>>[2008-02-22 09:51:07 23838] ERROR (XendCheckpoint:141) Save failed on
>>domain test (47).
>>Traceback (most recent call last):
>> File "/usr/lib/python2.4/site-packages/xen/xend/XendCheckpoint.py",
>>line 109, in save
>>   forkHelper(cmd, fd, saveInputHandler, False)
>> File "/usr/lib/python2.4/site-packages/xen/xend/XendCheckpoint.py",
>>line 353, in forkHelper
>>   raise XendError("%s failed" % string.join(cmd))
>>XendError: /usr/lib/xen/bin/xc_save 27 47 0 0 5 failed
>>[2008-02-22 09:51:07 23838] DEBUG (XendDomainInfo:1922)
>>XendDomainInfo.resumeDomain(47)
>>[2008-02-22 09:51:07 23838] DEBUG (XendDomainInfo:1952)
>>XendDomainInfo.resumeDomain: completed
>>[2008-02-22 09:51:07 23838] DEBUG (XendCheckpoint:144)
>>XendCheckpoint.save: resumeDomain
>>[2008-02-22 09:51:07 23838] ERROR (xmlrpclib2:166) Internal error
>>handling VM.migrate
>>Traceback (most recent call last):
>> File "/usr/lib/python2.4/site-packages/xen/util/xmlrpclib2.py", line
>>131, in _marshaled_dispatch
>>   response = self._dispatch(method, params)
>> File "/usr/lib/python2.4/SimpleXMLRPCServer.py", line 406, in
>>_dispatch
>>   return func(*params)
>> File "/usr/lib/python2.4/site-packages/xen/xend/XendAPI.py", line
>>221,
>>in f
>>   return func(self, *args, **kwargs)
>> File "/usr/lib/python2.4/site-packages/xen/xend/XendAPI.py", line
>>256,
>>in check_session
>>   return func(self, session, *args, **kwargs)
>> File "/usr/lib/python2.4/site-packages/xen/xend/XendAPI.py", line
>>312,
>>in <lambda>
>>   'VM', func, *args, **kwargs)
>> File "/usr/lib/python2.4/site-packages/xen/xend/XendAPI.py", line
>>268,
>>in _check_ref
>>   return func(api, session, ref, *args, **kwargs)
>> File "/usr/lib/python2.4/site-packages/xen/xend/XendAPI.py", line
>>1766,
>>in VM_migrate
>>   bool(live), resource, port)
>> File "/usr/lib/python2.4/site-packages/xen/xend/XendDomain.py", line
>>1299, in domain_migrate
>>   XendCheckpoint.save(sock.fileno(), dominfo, True, live, dst)
>> File "/usr/lib/python2.4/site-packages/xen/xend/XendCheckpoint.py",
>>line 151, in save
>>   raise exn
>>XendError: /usr/lib/xen/bin/xc_save 27 47 0 0 5 failed
>>
>>//Emil Palm
>>Cardium AB
>>
>>
>>_______________________________________________
>>Xen-devel mailing list
>>Xen-devel@xxxxxxxxxxxxxxxxxxx
>>http://lists.xensource.com/xen-devel
>
>--


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