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Home > VMware > VMware: The number of heartbeat datastores for host is 0

VMware: The number of heartbeat datastores for host is 0

Today I added some vSphere 5.0 u1 hosts in a new created cluster, the SAN will be delivered next week so I didn’t have central storage, to finish my new cluster setup I configured HA and DRS. After configuring HA I received this warning message:

 

The number of heartbeat datastores for host is 0, which is less than required: 2

VMpros

 

Solution:

To (temporary (until the SAN is installed)) hide the warning message I configured the HA – Advanced Option:

  1. Log in to vCenter Server
  2. Right-click the cluster and click Edit Settings
  3. Click VMware HA > Advanced Options
  4. Under Option, add an entry for das.ignoreInsufficientHbDatastore
  5. Under Value, type: true

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More information: VMware

sanderdaems

Sander Daems is founder and author of this blog and working as a Lead (Sr.) Consultant by UNICA ICT Solutions. Sander has over 15 years experience in IT, primary focus: virtualization and modern worksplace.

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  1. Paige
    October 1st, 2015  (Quote) at 22:01  (Quote) | #1

    Wouldn’t you be reducing caaicpty only if you were already running more than 40 VMs per host? Sure the max number is lower, but the effective number depends on the VM sizing and actual resource usage.

  2. Rabat
    October 27th, 2015  (Quote) at 03:52  (Quote) | #2

    Thanks for this one

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