[DRBD-user] Re: [Linux-HA] Failover VMWare?

Lars Ellenberg l.g.e at web.de
Fri Jan 30 02:16:13 CET 2004

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


/ 2004-01-29 23:35:14 +0100
\ Dominique Chabord:

> From: "Chris Doten" <cdoten at carleton.edu>
> To: "General Linux-HA mailing list" <linux-ha at lists.linux-ha.org>
> Sent: Wednesday, January 28, 2004 9:42 PM
> Subject: [Linux-HA] Failover VMWare?
> 
> > Greetings-
> >
> > We're looking at EMC's VMWare, and I was curious if out there in HA-land
> > has tried running it in a linux-ha clustered environment. Very compelling
> > idea to have entire "servers" able to shutdown and fail over to another
> > machine. We've got Red Hat Enterprise, and have been enjoying heartbeat et
> > al very much for more conventional things (apache, etc.).
> >
> > Anyone with successes or horror stories?
> >
> > Thanks,
> >
> > Chris Doten

> Hello,
> 
> for shaman-x project, we use BOCHS (GPL software) instead of WMware, but I
> think the idea is similar to yours and we implement failover between BOCHS
> machines. BOCHS has many limitations (improving fast) so we don't envisage
> it for production purpose now. BOCHS is, as VMware, OS independant which UML
> is
> not. Anyway, it is very helpful for prototyping, qualifying and
> demonstrating complex failover situations.
> We demonstrate at SolutionsLinux 2004 in Paris next week a 8 BOCHS virtual
> machines simulation. It features DRBD and WDX. It implements data
> replication and hot spare for DRBD.

cool!
be sure to let me know the details ...

> BOCHS machines are spit in two simulated locations and we
> demonstrate automated "site failover". Remote administration is
> done across a web page called HDX. The issue we are working on
> is the performance of DRBD resynchs and reliability of WDX
> failovers on BOCHS machines which rapidly slow down.
> I did not try heartbeat on bochs machines, but it's on my agenda
> because it is then easy to demonstrate and explain. Any idea how
> to implement STONITH on virtual machines ? ;-)

killall -9 ;)


> And why not geting grid computing on virtual machines ?
> 
> Regards
> Dominique
> 
	Lars Ellenberg





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