Changing datastore path policy

Hi,

I'm looking to change my path policy of my datastores to round robin.  Can this be changed at any time without issue or should I wait till a period of very low I/O traffic?

Thanks
ts11Asked:
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
Any change to storage paths, or re-scanning for storage can cause a moment of "path outage".

I would recommend, like all changes to production equipment, that this change be conducted outside of core hours, at a quite time, just case any disruption to service is caused.
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ts11Author Commented:
Thanks.  I just realised one of my hosts was not quite configured correctly for iscsi port binding and both adapters in the network configuration are set as "active".  Should I shut down all vm guests before setting an adapter to "unused" to allow for iscsi port binding?
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Andrew Hancock (VMware vExpert / EE MVE^2)VMware and Virtualization ConsultantCommented:
It would be better to ensure, and avoid corruption, that VMs are migrated off those datastores or shutdown.

I would recommend, like all changes to production equipment, that this change be conducted outside of core hours, at a quite time, just case any disruption to service is caused.
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