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Which option could be used for vSphere HA heartbeats?

Which option could be used for vSphere HA heartbeats?

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A.
An iSCSI LUN used for booting the master ESXi host.

B.
An iSCSI LUN backing an RDM connected over 10GB Ethernet

C.
An NFS datastore shared with the all hosts, sync, no_root_squash and read only options

D.
A Fibre Channel LUN on an 8GB active/active array backing a VMFS5 datastore

3 Comments on “Which option could be used for vSphere HA heartbeats?

  1. Raj says:

    The concept is to use heartbeat on a highly redundant setup. Active/Active fulfills that.

    Typically, Active-Active means that IO being read from or written to a
    particular logical device (LUN) can happen from either of two redundant
    storage controllers, or storage processors as you put it.




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  2. Antti says:

    I think this is misleading, the LUN is not used for HA heartbeat instead the datastore on top of it is used. D answer should read:

    “VMFS5 datastore backed by a Fibre Channel LUN on an 8GB active/active array”




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