Hi list, I'm planning for a HA ONED setup, i.e. HA "Frontend" (oned/mm_sched/onecctd), sunstone (Load-Balanced) and hosts. Initially I was planning to use hardware for the different components, something along the lines of:
sunstone sunstone
| |
|------------- LB --------------
| |
| |
| |
| |
oned oned
| |
|------------- HA --------------
| (pacemaker / corosync) |
| |
| |
host1 ------ host2 ------- host3 ------- host4
With hosts, oned en sunstone each on seperate dedicated physical boxes. That's
quite a bit of hardware doing mostly "nothing". Especially if you setup
several independant clouds like this. Instead of using dedicated
physical hardware, a setup consisting of VM's running on top of (two of) the
hosts
might be a more efficient possibility. Do you have any experience with such a
setup? Do you see any big drawbacks in using VM's instead of hardware?
Do you want to share your HA setup design considerations with me?
Thanks,
Gr. Stefan
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