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I want to create HA cluster with 2 nodes. First node is physical machine, second is virtual (under ProxMox). Both running under Ubuntu. I know how to make HA with corosync and pacemaker. How i can make replication/mirroring of partitions? Is it possible without using NAS storage?

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Yes, that's perfectly possible using SAN technology instead of NAS. Question answered ! Applause!

As the above is very probably not what you wanted to hear as SAN is more expensive than NAS, you can also do that using DRBD however it's going to be a highly customized system that no one else except you is going to be able to maintain. The logical solution is SAN or if you can't afford SAN, use NAS.

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  • That it is what i expected to hear, thank you
    – Nick
    Jun 29, 2018 at 11:08
  • Favour returned. Question upvoted! :-)
    – Fabby
    Jun 29, 2018 at 19:03

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