[Users] vzmigrate --online used to work, now fails with "CPU mismatch"

[jjs - mainphrame]

However, one is an Intel CPU, the other is AMD. Live migration of
containers between them had been working, for about 3 years, but now it
balks at "CPUs mismatch".

I wonder, is there some way to override the paranoia? Ideally, an admin
could say "yes, I understand the CPUs aren't identical, but do it anyway"

Jake

On Fri, Mar 22, 2019 at 9:08 AM jjs - mainphrame <jjs at mainphrame.com> wrote:

> The output on both hosts is "x86_64"
>
> Jake
>
> On Fri, Mar 22, 2019 at 1:32 AM Narcis Garcia <informatica at actiu.net>
> wrote:
>
>> What is the output of this command in both origin and destination hosts?
>> $ uname -m
>>
>>
>> El 21/3/19 a les 23:27, jjs - mainphrame ha escrit:
>> > Greetings -
>> >
>> > vzmigrate --online always worked reliably on my 2 openvz 7 servers, but
>> > nowadays, vzmigrate fails, for all containers, every time.
>> >
>> > ((CPUs mismatch))) -
>> >
>> > Apologies if I missed a memo, but why has that only now become an issue?
>> >
>> > [root at annie ~]# vzmigrate hachi 1989 --online
>> > Connection to destination node (hachi) is successfully established
>> > Moving/copying CT 1989 -> CT 1989, [], [] ...
>> > locking 1989
>> > Checking bindmounts
>> > Check cluster ID
>> > Checking keep dir for private area copy
>> > Check of requires kernel modules
>> > Checking technologies
>> > Checking IP addresses on destination node
>> > Checking RATE parameters in config
>> > Checking ploop format 2
>> > copy CT private /vz/private/1989
>> > Live migration stage started
>> > Compression is enabled
>> > Phaul service failed to live migrate CT
>> > Phaul failed to live migrate CT (/var/log/phaul.log)
>> > Can't move/copy CT 1989 -> CT 1989, [], [] : Phaul failed to live
>> > migrate CT (/var/log/phaul.log)
>> > unlocking 1989
>> > [root at annie ~]# tail /var/log/phaul.log
>> >     load_entry_point('phaul==0.1', 'console_scripts', 'p.haul')()
>> >   File "/usr/lib/python2.7/site-packages/phaul/shell/phaul_client.py",
>> > line 49, in main
>> >     worker.start_migration()
>> >   File "/usr/lib/python2.7/site-packages/phaul/iters.py", line 161, in
>> > start_migration
>> >     self.__start_live_migration()
>> >   File "/usr/lib/python2.7/site-packages/phaul/iters.py", line 175, in
>> > __start_live_migration
>> >     self.__validate_cpu()
>> >   File "/usr/lib/python2.7/site-packages/phaul/iters.py", line 114, in
>> > __validate_cpu
>> >     raise Exception("CPUs mismatch")
>> > Exception: CPUs mismatch
>> > [root at annie ~]#
>> >
>> > Regards,
>> >
>> > Jake
>> >
>> >
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