Hi,
5. Migrating the vm to the other hypervisor
-------------------------------------------
To migrate the vm to the other hypervisor, you first need to start
a vm on the other hypervisor ready to receive the vm state info from
the running vm. Use the exact same qemu cmdline as you used to start
the original (source) vm and add "-incoming tcp:0:4444" at the end
of the cmdline.
Note 1: I'm using a nfs directory where vm configuration and some
helper scripts are stored. This way I can easily make sure qemu is
started with the same set of command line options on both sides.
Otherwise my migration test setup looks pretty simliar to yours (also
using iscsi as storage).
Note 2: A subset of migration can easily be tested on a single machine
by "migrating" to a file. To save your vm use
migrate exec:cat>/path/to/savevm.file
in the monitor and to load it add
-incoming "exec:cat /path/to/savevm.file"
to your qemu command line.
Advantages:
* Needs less hardware.
* Easier to setup.
* Easier to script.
Disadvantes:
* Can't test everything.
cheers,
Gerd
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