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Impact of having 1 datastore vs 2 for HA

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Hi everyone,

 

I have a question for this scenario for HA.

 

A. One Datastore with HA

 

4 Tb iSCSI for shared storage (VMs and vmdk backup)

4 hosts

1 vCenter

das.ignoreInsufficientHbDatastore=true

 

B. Two Datastore with HA

 

3Tb iSCSI for VM

1Tb iSCSI for vmdk backup

4 hosts

1 vCenter

 

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The question would be what will be the impact of two setups and why? I can't seem to see the logic of having two datastore (in this scenario). It seems to be that the only reason for having two datastore would be to justify the minimum requirements for HA datastore heartbeat.

 

Regards, Harold


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