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M4T
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vSphere DRS & vMotion

Hi,

I cant seem to find anything detailing these two features?

1) vSphere DRS

2) vMotion

can you use them together in a cluster, what's the difference with vMotion to "HA" ive tried to set up HA but it never seems to work and connect to the master host I end up with 10s of errors about storage and networking cards and all sorts. so ended up just using DRS and vMotion.

Matt

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a_p_
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All of the features you mentioned have in common that VM's have to be stored on shared storage, that's available to all hosts in the cluster.

  • vMotion is used to manually live migrate VMs from one host to another
  • DRS is an advanced feature, which leverages vMotion to automatically balance/migrate VMs across hosts in case of contention, or if rules are in place
  • HA is a feature that's responsible to restart VMs on other hosts in case of a host failure

André

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a_p_
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All of the features you mentioned have in common that VM's have to be stored on shared storage, that's available to all hosts in the cluster.

  • vMotion is used to manually live migrate VMs from one host to another
  • DRS is an advanced feature, which leverages vMotion to automatically balance/migrate VMs across hosts in case of contention, or if rules are in place
  • HA is a feature that's responsible to restart VMs on other hosts in case of a host failure

André

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M4T
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hi andre,

thanks for replying,

does DRS in a cluster work similar to any other clusters where all of the hosts work together to make them more powerful.

can you create a VM with the resources available across all the hosts for eg. if the cluster contains 64 cores over 4 hosts can you create a VM with 64 cores? or doesn't that work.

matt

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a_p_
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No, a single VM can only use resources from the host on which it runs.

André

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