[Linux-ha-dev] ocf script for mysql

[Joe Bill]

>But, if you don't have all the hosts in your cluster
which you want to
>run the same service on installed in the same places,
then you're on the
>road to madness, and service outages due to human
errors.

LOL :-)

Are you suggesting that OCF will restrict the number
of versions of one service software it can run
simultaneously on the same cluster to only one ?

Or that no provision will be made in OCF to help run
simultaneously different versions of one service
software, on the same cluster, i.e. Apache v1.3 and
v2.0, either in the same instance or in different
instances ?

I was counting on Linux-HA to support
"rolling-upgrades", if not of the OS or Linux-HA, but
at least of the service software, with the provision
to "roll back" if necessary. It is hard to imagine how
this can be done without supporting multiple versions
of the same service software, even under different
service names mind you, each version installed in it's
own specific location to prevent the overwriting of
the old version by the installation of the new.

May I kindly ask your input/comments/reactions on the
matter ?

Thanks !



 
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