Test HA with central storage

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bond347

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Oct 21, 2022
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Hello forum members,

I plan to test HA feature in my 3 hosts cluster environment. Read up to achieve HA, i need a central storage as VMs / containers repository.
For a test, i wanted to use my small Qnap storage and share the LUNs via iSCSI.

Hope some experts here can guide me and/or share some articles to complete my testing.
 
depends how you want to build your cluster. on the end you have 2 possibilities.
1. ceph (replication of VMs to another nodes)
2. own storage (i guess you meant this with central storage) your spof is the storage and the network is the bus system

i got myself a ceph cluster. it just works with the local storage. configure it proper and the cluster is ready to go.
just unplug your server and in 2 mins a recent copy of the VMs of the failed Nodes will start.
works like a charm
 
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Hi Pille99,

Thanks for the pointer on Ceph.

I wanted option #2, whereby having my independent storage box as a central storage.

Hope yourself or other members could share/guide me to setup HA with central storage.
 
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