Re: Back to the future.

Pavel Machek
2007-05-07T13:53:25Z

Hi!

> nobody is suggesting that you leave peocesses running
> while you do the snapshot, what is being proposed is
>
> 1. pause userspace (prevent scheduling)
> 2. make snapshot image of memory
> 3. make mounted filesystems read-only (possibly with
> snapshot/checkpoint)
> 4. unpause
> 5. save image (with full userspace available, including
> network)

Including network? Your tcp peers will be really confused, then, if
you ACK packets then claim you did not get them. No, you do not want
to start network.

--
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