[ILUG] NBD's, lihux-HA, GFS/GNBD vs. DRBD/heartbeat

[John P. Looney]

On Mon, Feb 28, 2005 at 02:07:25PM +0000, John Moylan mentioned:
> OK, add evms clustering to the list. Has anyone got any experience of
> using EVMS,GFS,DRBD,NBD technologies in production?
> 
> If so. I would really be interested in views on:
> 
> Stability
> Overhead , bottlenecks (RAM, CPU, I/O)
> Maintainability
> Data Integrity Issues (If any?)

 It's a while since I've used NBD, but its really easy to find ways of
making it fall over. I would have assumed that IDE would be more reliable
than a million quids worth of SCSI storage exported out over NBD.

John

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