[ale] OCFS2

[kaboom at oobleck.net (Chris Ricker)]

On Mon, 20 Mar 2006, Christopher Fowler wrote:

> http://lwn.net/Articles/137278/
> 
> Could I use OCFS2 to cluster 2+ servers that are running MySQL so if one
> goes down the other could simply jump in its place?
> 
> What I like about this idea is that instead of using a central RAID
> cabinet that could die both boxes could simple share the same /opt/RUN
> file system.  The backups could simply have mysql turned off an then a
> script could turn it on.  

You should be able to. Note that OCFS2, unless things have changed, 
requires physically shared storage - two hosts sharing the same LUNs from 
a SAN or similar

drbd <http://www.drbd.org/> will work for an active-passive failover 
cluster for MySQL without the SAN requirement

later,
chris