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[Xen-users] Fast snapshots of memory

  • To: xen-devel@xxxxxxxxxxxxxxxxxxx, XEN Mailing List <xen-users@xxxxxxxxxxxxxxxxxxx>
  • From: Mike Sun <msun@xxxxxxxxxx>
  • Date: Wed, 26 Jan 2011 11:48:29 -0500
  • Cc:
  • Delivery-date: Wed, 26 Jan 2011 09:22:37 -0800
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Awhile back, I suggested these simple patches
(http://markmail.org/message/ysnwmqxd2debfjpa) that would allow the xm
save -c to checkpoint utilizing the live migration mechanism,
minimizing the actual downtime as compared to the default method of
suspending the VM and then copying out all the memory state.  Is there
a reason why this hasn't been implemented for actual use?  I'm working
with Oracle VM flavor of Xen and would like to be able to do quick


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