James Harper escribio':
Charlie,
There are reports of recent gplpv drivers supporting live migration on
old xen versions. Some changes in xen 3.4 broke gplpv live
migration/restore functionality. There is a workaround but it has not
been applied.
More info:
http://lists.xensource.com/archives/html/xen-users/2009-10/msg00978.html
http://lists.xensource.com/archives/html/xen-devel/2009-09/msg01095.html
I just put in a very crude version of that workaround... I'll upload it
if anyone can give it a bit more testing.
James
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Live migrating still doesn't work for me with the driver 0.10.0.138 for
a 32 bits win2003 vm. These are the contents for each xend.log file,
migrating host:
[2009-11-16 12:24:48 5406] DEBUG (XendCheckpoint:110) [xc_save]:
/usr/lib64/xen/bin/xc_save 57 10 0 0 5
[2009-11-16 12:24:48 5406] INFO (XendCheckpoint:417) ERROR Internal
error: Can't create lock file for suspend event channel
[2009-11-16 12:24:48 5406] INFO (XendCheckpoint:417)
[2009-11-16 12:24:48 5406] INFO (XendCheckpoint:417) xc_save: suspend
event channel initialization failedusing slow path
[2009-11-16 12:25:02 5406] INFO (XendCheckpoint:417) Saving memory
pages: iter 1 95%
1: sent 396288, skipped 2540, delta 14779ms, dom0 24%, target 0%, sent
878Mb/s, dirtied 6Mb/s 2990 pages
[2009-11-16 12:25:02 5406] INFO (XendCheckpoint:417) Saving memory
pages: iter 2 37%
2: sent 2979, skipped 12, delta 81ms, dom0 37%, target 1%, sent
1205Mb/s, dirtied 41Mb/s 102 pages
[2009-11-16 12:25:02 5406] INFO (XendCheckpoint:417) Saving memory
pages: iter 3 0%
3: sent 102, skipped 0, delta 11ms, dom0 100%, target 0%, sent 303Mb/s,
dirtied 134Mb/s 45 pages
[2009-11-16 12:25:02 5406] INFO (XendCheckpoint:417) Saving memory
pages: iter 4 0%
4: sent 45, skipped 0, Start last iteration
[2009-11-16 12:25:03 5406] DEBUG (XendCheckpoint:388) suspend
[2009-11-16 12:25:03 5406] DEBUG (XendCheckpoint:113) In
saveInputHandler suspend
[2009-11-16 12:25:03 5406] DEBUG (XendCheckpoint:115) Suspending 10 ...
[2009-11-16 12:25:03 5406] DEBUG (XendDomainInfo:511)
XendDomainInfo.shutdown(suspend)
[2009-11-16 12:25:03 5406] DEBUG (XendDomainInfo:1709)
XendDomainInfo.handleShutdownWatch
[2009-11-16 12:25:03 5406] INFO (XendDomainInfo:1895) Domain has
shutdown: name=migrating-lisa id=10 reason=suspend.
[2009-11-16 12:25:03 5406] INFO (XendCheckpoint:121) Domain 10 suspended.
[2009-11-16 12:25:03 5406] INFO (image:479) signalDeviceModel:restore dm
state to running
[2009-11-16 12:25:03 5406] INFO (XendCheckpoint:417) SUSPEND shinfo 000f2000
[2009-11-16 12:25:03 5406] DEBUG (XendCheckpoint:130) Written done
[2009-11-16 12:25:03 5406] INFO (XendCheckpoint:417) delta 610ms, dom0
17%, target 3%, sent 2Mb/s, dirtied 29Mb/s 546 pages
[2009-11-16 12:25:03 5406] INFO (XendCheckpoint:417) Saving memory
pages: iter 5 0%ERROR Internal error: Error when writing to state file
(2) (104 = Connection reset by peer)
[2009-11-16 12:25:03 5406] INFO (XendCheckpoint:417) Save exit rc=1
[2009-11-16 12:25:03 5406] ERROR (XendCheckpoint:164) Save failed on
domain lisa (10) - resuming.
Traceback (most recent call last):
File "/usr/lib64/python2.4/site-packages/xen/xend/XendCheckpoint.py",
line 132, in save
forkHelper(cmd, fd, saveInputHandler, False)
File "/usr/lib64/python2.4/site-packages/xen/xend/XendCheckpoint.py",
line 405, in forkHelper
raise XendError("%s failed" % string.join(cmd))
XendError: /usr/lib64/xen/bin/xc_save 57 10 0 0 5 failed
[2009-11-16 12:25:03 5406] DEBUG (XendDomainInfo:2780)
XendDomainInfo.resumeDomain(10)
[2009-11-16 12:25:03 5406] DEBUG (XendDomainInfo:2821)
XendDomainInfo.resumeDomain: completed
[2009-11-16 12:25:03 5406] ERROR (xmlrpclib2:178) Internal error
handling xend.domain.migrate
Traceback (most recent call last):
File "/usr/lib64/python2.4/site-packages/xen/util/xmlrpclib2.py", line
131, in _marshaled_dispatch
response = self._dispatch(method, params)
File "/usr/lib64/python2.4/SimpleXMLRPCServer.py", line 406, in _dispatch
return func(*params)
File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomain.py", line
1381, in domain_migrate
sock.shutdown(2)
File "<string>", line 1, in shutdown
error: (107, 'Transport endpoint is not connected')
target host:
[2009-11-16 12:24:48 5366] INFO (XendCheckpoint:243) restore hvm domain
3, apic=1, pae=1
[2009-11-16 12:24:48 5366] DEBUG (image:322) No VNC passwd configured
for vfb access
[2009-11-16 12:24:48 5366] DEBUG (image:809) args: boot, val: dc
[2009-11-16 12:24:48 5366] DEBUG (image:809) args: fda, val: None
[2009-11-16 12:24:48 5366] DEBUG (image:809) args: fdb, val: None
[2009-11-16 12:24:48 5366] DEBUG (image:809) args: soundhw, val: None
[2009-11-16 12:24:48 5366] DEBUG (image:809) args: localtime, val: 1
[2009-11-16 12:24:48 5366] DEBUG (image:809) args: serial, val: ['pty']
[2009-11-16 12:24:48 5366] DEBUG (image:809) args: std-vga, val: 0
[2009-11-16 12:24:48 5366] DEBUG (image:809) args: isa, val: 0
[2009-11-16 12:24:48 5366] DEBUG (image:809) args: acpi, val: 1
[2009-11-16 12:24:48 5366] DEBUG (image:809) args: usb, val: 0
[2009-11-16 12:24:48 5366] DEBUG (image:809) args: usbdevice, val: tablet
[2009-11-16 12:24:48 5366] INFO (image:745) Need to create platform
device.[domid:3]
[2009-11-16 12:24:48 5366] DEBUG (XendCheckpoint:261)
restore:shadow=0xe, _static_max=0x60000000, _static_min=0x0,
[2009-11-16 12:24:48 5366] DEBUG (balloon:166) Balloon: 25821280 KiB
free; need 1591296; done.
[2009-11-16 12:24:48 5366] DEBUG (XendCheckpoint:278) [xc_restore]:
/usr/lib64/xen/bin/xc_restore 16 3 3 4 1 1 1
[2009-11-16 12:24:48 5366] INFO (XendCheckpoint:417) xc_domain_restore
start: p2m_size = 100000
[2009-11-16 12:24:48 5366] INFO (XendCheckpoint:417) Reloading memory
pages: 0%
[2009-11-16 12:25:03 5366] INFO (XendCheckpoint:417) Failed allocation
for dom 3: 12 extents of order 0
[2009-11-16 12:25:03 5366] INFO (XendCheckpoint:417) ERROR Internal
error: Failed to allocate memory for batch.!
[2009-11-16 12:25:03 5366] INFO (XendCheckpoint:417)
[2009-11-16 12:25:03 5366] INFO (XendCheckpoint:417) Restore exit with rc=1
[2009-11-16 12:25:03 5366] DEBUG (XendDomainInfo:2724)
XendDomainInfo.destroy: domid=3
[2009-11-16 12:25:03 5366] ERROR (XendDomainInfo:2738)
XendDomainInfo.destroy: domain destruction failed.
Traceback (most recent call last):
File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomainInfo.py",
line 2731, in destroy
xc.domain_pause(self.domid)
Error: (3, 'No such process')
[2009-11-16 12:25:03 5366] DEBUG (XendDomainInfo:2204) No device model
[2009-11-16 12:25:03 5366] DEBUG (XendDomainInfo:2206) Releasing devices
[2009-11-16 12:25:03 5366] DEBUG (XendDomainInfo:2219) Removing vif/0
[2009-11-16 12:25:03 5366] DEBUG (XendDomainInfo:1134)
XendDomainInfo.destroyDevice: deviceClass = vif, device = vif/0
[2009-11-16 12:25:03 5366] DEBUG (XendDomainInfo:2219) Removing vbd/768
[2009-11-16 12:25:03 5366] DEBUG (XendDomainInfo:1134)
XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/768
[2009-11-16 12:25:03 5366] DEBUG (XendDomainInfo:2219) Removing vbd/5632
[2009-11-16 12:25:03 5366] DEBUG (XendDomainInfo:1134)
XendDomainInfo.destroyDevice: deviceClass = vbd, device = vbd/5632
[2009-11-16 12:25:03 5366] DEBUG (XendDomainInfo:2219) Removing vfb/0
[2009-11-16 12:25:03 5366] DEBUG (XendDomainInfo:1134)
XendDomainInfo.destroyDevice: deviceClass = vfb, device = vfb/0
[2009-11-16 12:25:03 5366] DEBUG (XendDomainInfo:2219) Removing console/0
[2009-11-16 12:25:03 5366] DEBUG (XendDomainInfo:1134)
XendDomainInfo.destroyDevice: deviceClass = console, device = console/0
[2009-11-16 12:25:03 5366] ERROR (XendDomain:1149) Restore failed
Traceback (most recent call last):
File "/usr/lib64/python2.4/site-packages/xen/xend/XendDomain.py", line
1147, in domain_restore_fd
return XendCheckpoint.restore(self, fd, paused=paused,
relocating=relocating)
File "/usr/lib64/python2.4/site-packages/xen/xend/XendCheckpoint.py",
line 282, in restore
forkHelper(cmd, fd, handler.handler, True)
File "/usr/lib64/python2.4/site-packages/xen/xend/XendCheckpoint.py",
line 405, in forkHelper
raise XendError("%s failed" % string.join(cmd))
XendError: /usr/lib64/xen/bin/xc_restore 16 3 3 4 1 1 1 failed
Regards
---
Miguel
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