Has anyone tried a cluser configuration ?

Rick Stevens rstevens at vitalstream.com
Fri Apr 29 21:15:53 UTC 2005


gb spam wrote:
>>   I'm trying to build a cluster using a DELL PowerVault 220S and two DELL
>>PE2650 servers with PERC 3/DC controllers. I've found some info on the Red Hat
>>site about a $500 per node Cluster Suite (plus $ for ES or AS subscription per
>>node) - but very little on how it is actually set up. Is there anyone out there
>>who has any experience with this sort of thing under FC ?
> 
> 
> That clustering s/w is not available for FC.  Its pretty good,
> although its only a high availability cluster (if a node goes down,
> its jobs will get picked up by another node).  We use it at work, but
> I have not configured it myself so I'm a little shakey on the exact
> details but I seem to remember that you need SAN storage to make it
> effective.  IMO its quite expensive for what it is, but my company is
> happy to shell the cash out for it.

Actually, the GFS code (I'm assuming that's what you're speaking
of...dlm, clvmd, etc.) is available for FC, but only as CVS source.
It isn't too hard to build and configure.  And, no, you don't need SAN
(you can use gnbd devices).

Have I used it?  Yes.  Does it work?  Yes.  Is it fast?  Yes.  Is it
completely stable? No--but this is CVS stuff and that's to be expected.
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- Rick Stevens, Senior Systems Engineer     rstevens at vitalstream.com -
- VitalStream, Inc.                       http://www.vitalstream.com -
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-   You possess a mind not merely twisted, but actually sprained.    -
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