Re: Fault Tolerant Postgresql (two machines, two postmasters, one disk array)

Andrew Sullivan wrote:

> Now, if B mounts the disk and starts
> the postmaster, but doesn't have a way to make _sure_ tha A is
> completely disconnected from the disk, then it's entirely possible A
> will flush buffers out to the still-mounted data area.  Poof!
> Instant data corruption.

Shoot The Other Node In The Head:

http://www.linux-ha.org/STONITH

- John D. Burger
   MITRE