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Date: Wed, 16 Apr 2008 13:14:12 +0200 From: Pavel Machek <pavel@....cz> To: Peter Teoh <htmldeveloper@...il.com> Cc: LKML <linux-kernel@...r.kernel.org>, Kernel Newbies <kernelnewbies@...linux.org> Subject: Re: RFC: Self-snapshotting in Linux > Sorry if this is a a crazy idea.....just be forewarned.... > > First, I would like to make a reference to VMWare's snapshot (name not > important, emphasize the idea) feature - hopefully u are familiar with > it. This is a feature whereby u can freeze the entire OS (kernel + > userspace application running) and then later reload itself next time, > continuing where it left off, without reboot from ground zero. > > Next, can I ask, is such a feature useful in Linux? Ie, able to > restart the kernel + userspace application from where u left off, the > last time round. Not JUST the normal suspend/resume feature, but > more important able to CHOOSE among the different available images > for > u to resume on. Eg, u want to freeze the current 2.6.25-rc6 > kernel, Could we use english on this list? Anyway, hibernate, cp /dev/root /somewhere/root.1; cp /dev/swap /somewhere/swap.1 If you want to resume selected version, copy back that set of devices, and proceed normally. Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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