Several years ago, I sudied the HP 9000 family. It had this ability. Their system had
different programs running on different servers which minimized the file locking
issues. When one computer failed, the other would start up the tasks from the failed
machine. The switch over time was under a few seconds.
There is a software package (I don't remember the name) that runs on Novell and NT,
that keeps a full duplicate of the primary server. If the primary fails for any
reason, the backup comes on-line in under a second.
*********** REPLY SEPARATOR ***********
On 10/6/00 at 1:13 PM Roger Abrahamsson wrote:
Hello..
Has anyone tried to set up any such debian systems?? I'm thinking of
trying to set up two machines sharing the same raid disksystem as an NFS
server with some sort of ip-takeover between them.. There are several
things I'm seeing as possible problems, one is NFS file locking, and
another is two RAID cards accessing the same disk subsystem...
Any suggestions and comments are welcome, as this is totally new territory
to me.
Regards
Roger Abrahamsson
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Roger Abrahamsson, Sys/Net Admin, Obbit AB
Radhusespl.17D, S-90328 Umea, Sweden
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