From: Wilfried Weissmann <Wilfried.Weissmann@gmx.at>
To: Torrey Hoffman <torrey.hoffman@myrio.com>
Cc: "'jesse@cats-chateau.net'" <jesse@cats-chateau.net>,
Kip Macy <kmacy@netapp.com>, Paul Jakma <paul@clubi.ie>,
Helge Hafting <helgehaf@idb.hist.no>,
"C. Slater" <cslater@wcnet.org>,
linux-kernel@vger.kernel.org
Subject: Re: Switching Kernels without Rebooting?
Date: Thu, 12 Jul 2001 22:47:00 +0200 [thread overview]
Message-ID: <3B4E0CC4.1926053C@gmx.at> (raw)
In-Reply-To: <D52B19A7284D32459CF20D579C4B0C0211C92A@mail0.myrio.com>
Torrey Hoffman wrote:
>
> Jesse Pollard wrote:
>
> [why switching kernels is very hard, and...]
>
> > Before you even try switching kernels, first implement a process
> > checkpoint/restart. The process must be resumed after a boot
> > using the same
> > kernel, with all I/O resumed. Now get it accepted into the kernel.
>
> Hear, hear! That would be a useful feature, maybe not network servers,
> but for pure number crunching apps it would save people having to write
> all the state saving and recovery that is needed now for long term
> computations.
There is a checkpointing and resumeing lib at
ftp://gutemine.geo.uni-koeln.de/pub/chkpt/
I am not sure if it has been ported to linux yet, but it might be worth
a look.
>
> For bonus points, make it work for clusters to synchronously save and
> restore state for the apps running on all the nodes at once...
>
> Torrey
bye,
Wilfried
next prev parent reply other threads:[~2001-07-12 20:45 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-12 1:03 Switching Kernels without Rebooting? Torrey Hoffman
2001-07-12 1:24 ` C. Slater
2001-07-12 10:07 ` Jesse Pollard
2001-07-12 12:11 ` Ian Stirling
2001-07-12 12:54 ` Jesse Pollard
2001-07-12 14:15 ` Michael H. Warfield
2001-07-12 23:21 ` swsusp [was Re: Switching Kernels without Rebooting?] Pavel Machek
2001-07-12 23:17 ` Switching Kernels without Rebooting? Pavel Machek
2001-07-12 20:47 ` Wilfried Weissmann [this message]
-- strict thread matches above, loose matches on Subject: below --
2001-07-13 1:11 tas
2001-07-13 3:45 ` Ian Stirling
2001-07-12 15:32 Jesse Pollard
2001-07-12 12:23 Jesse Pollard
2001-07-12 14:55 ` Ralf Baechle
2001-07-12 4:48 Frank Davis
2001-07-12 5:08 ` John Alvord
2001-07-13 9:10 ` Chuck Hemker
[not found] <994895240.21189@whiskey.enposte.net>
2001-07-12 0:10 ` Stuart Lynne
2001-07-11 9:52 David Balazic
2001-07-11 10:08 ` Laramie Leavitt
2001-07-11 19:12 ` H. Peter Anvin
2001-07-11 15:19 ` C. Slater
[not found] <NOEJJDACGOHCKNCOGFOMOEKECGAA.davids@webmaster.com>
2001-07-10 20:43 ` C. Slater
2001-07-11 3:50 ` FORT David
2001-07-11 9:10 ` Helge Hafting
2001-07-11 15:41 ` C. Slater
2001-07-12 10:16 ` Helge Hafting
2001-07-11 22:12 ` Paul Jakma
2001-07-11 22:14 ` Rik van Riel
2001-07-11 22:36 ` C. Slater
2001-07-11 23:44 ` Andreas Dilger
2001-07-12 1:17 ` C. Slater
2001-07-12 15:39 ` Rik van Riel
2001-07-12 16:23 ` Albert D. Cahalan
2001-07-12 17:37 ` Mike Borrelli
2001-07-12 18:05 ` Rik van Riel
2001-07-13 10:07 ` Pau Aliagas
2001-07-12 18:48 ` Chris Friesen
2001-07-12 10:12 ` Ralf Baechle
2001-07-12 15:32 ` Rik van Riel
2001-07-11 22:36 ` David Schwartz
2001-07-12 7:23 ` Kai Henningsen
2001-07-12 10:05 ` Helge Hafting
2001-07-13 6:50 ` Kai Henningsen
2001-07-12 17:58 ` Hua Zhong
2001-07-11 22:46 ` Kip Macy
2001-07-11 23:02 ` Rik van Riel
2001-07-12 0:31 ` Jesse Pollard
2001-07-12 1:10 ` Hua Zhong
2001-07-11 23:36 ` H. Peter Anvin
2001-07-12 7:23 ` Ville Herva
2001-07-10 18:42 C. Slater
2001-07-10 18:50 ` Chris Wedgwood
2001-07-10 21:11 ` Jesper Juhl
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