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Re: [linux-lvm] has anyone used LVM in a HA cluster?



Tim wrote:

Or don't, and buy a power supply that you can control from serial, and
do so -- STONITH, it's called -- Shoot The Other Node In The Head.  Once
the power is off, there is no danger of fsck'ing...

It's a rather elegant way to solve that problem, IMHO.

We're going that route.


which may backfire, if both nodes think the other one is down (split brain again) and start the shutdown procedure. okay, this is a very rare situation, and may happen only under strange load and scheduling parameters, but it will happen as any other "very rare situation" happens ;-). especially in HA environments they seem to happen much more often then in simple single point of failure environments ;-) you won'Ät loosew your filesystem, but the service is unavailable.






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