[Linux-HA] Dude heartbeat , shared disk and mysql

[Dejan Muhamedagic]

Hi,

On Wed, Jun 11, 2008 at 01:35:46PM +0200, Santiago Campos wrote:
> Hi
> I have a dude about where to put some files.
> We are using heartbeat 1.2.3 in an active-pasive cluster
> 
> we have a scsi shared disk
> 
> extracted from haresource
> 
> Filesystem::/dev/cciss/c0d0p1::/u::ext3 \
> 
> Now I'm trying to run mysql
> 
> I put the mysql datadir in /u/mysql and is ok.
> 
> but what about mysql.log, mysql.sock and mysql.pid ?
> they must be in the shared disk or each node have their own copy in
> /var/lib/mysq ?

They should _not_ be on the shared disk. Some of them, such as
mysql.pid, may even be used to check the status of the mysql
resource.

Thanks,

Dejan