Re: Back to the future.

Pavel Machek
2007-05-07T12:48:23Z

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.
>
> anyone who is doing a hibernate or suspend who expect all the network
> connections to be working afterwords is dreaming or smokeing
>something.

Really? It works today... if the suspend is short enough. And that's
how it should be.
Pavel
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