Data Infrastructure Management Software Articles and Resources

Protection Manager 3.8 Default Provisioning Explained


This document attempts to give a clear picture on how the 3.8 version of Protection Manager does secondary and tertiary volume provisioning using its default provisioning feature and Resource Pools. In particular, it explains the various size and space variables that will cause an aggregate to be disqualified from use for provisioning a secondary or tertiary volume.

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The first version of this document had a typo in the last example. In one instance it had 150% when it should have been 250%. The actual text is

PotentialCommittedPercentage (199%) does not exceed AggrNearlyOvercommittedThreshold (150%) so aggr. aggr_GHI is qualifed

Of course the 150% should be 250%. The latest version of the doc has fixed this typo.


This Document is just perfect, it is clear, each thing is deeply explained and the last but not the least we can understand how PM is working for the space calculation....Do you know if something has changed on the calculation rules with OncOmmand/ PM 5.0




Hi Florent,

Thanks for the compliment. I believe the document is still accurate for OnCommand 5.0. I'm not aware of any changes in 5.0 that would affect the behaviour discribed in the doc.



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