Hello!

Nice talk. What about backup system via ploop write tracker?

On Sun, Jun 22, 2014 at 12:21 AM, Kevin Holly <ope...@lists.dedilink.eu> wrote:
> Am 16/06/14 12:28, schrieb Aleksandar Ivanisevic:
>> Kir Kolyshkin <k...@openvz.org> writes:
>>
>> [...]
>>
>>>>
>>>> http://openvz.livejournal.com/48634.html
>>
>> Speaking of ploop send/copy, have you ever thought about a continuous
>> ploop send as a way of providing redundancy? In essence, ploop send
>> would, instead of exiting and running a suspend command, just keep
>> sending the changes to remote, so, in case the primary dies, remote
>> instance can be started with the latest image. Something like DRBD does,
>> but optimized for an OpenVZ use case.
> That would be really cool. Something like the kernel permanently
> tracking writes and something doing the live sync when a block changes.
>
> From what I've read, ploop migration makes the kernel track writes to
> the device and then migrate these blocks in the ploop device as
> long/often as needed until no blocks change anymore or always the same
> blocks change, so that can be also kind of useful in a live sync of the
> ploop image.
>>
>> If you can provide the feature I would be happy to provide the scripting
>> around it.
>>
>> [...]
>>
>>
>
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-- 
Sincerely yours, Pavel Odintsov
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