Re: C/R without "leaks"

Chris Friesen
2009-04-16T18:12:28Z

Alexey Dobriyan wrote:
> On Thu, Apr 16, 2009 at 12:42:17AM +0200, Greg Kurz wrote:
>> On Wed, 2009-04-15 at 23:56 +0400, Alexey Dobriyan wrote:
>
>>> There are sockets and live netns as the most complex example. I'm not
>>> prepared to describe it exactly, but people wishing to do C/R with
>>> "leaks" should be very careful with their wishes.
>> They should close their sockets before checkpoint and find/have some way
>> to reconnect after. This implies some kind of C/R awareness in the code
>> to be checkpointed.
>
> How do you imagine sshd closing sockets and reconnecting?

Don't you already have to handle the case where an sshd connection is
checkpointed, then the system is shutdown and the restore doesn't happen
until after the TCP timeout?

Chris