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Status Delivered
Workspace PowerVC
Created by Guest
Created on Nov 10, 2015

Add support for VMAX thin provision with overcommitted storage

VMAX supports thin provisioning whch allows a storage pool to be "over commited" allowing reported USAGE to be above 100%

PowerVC will report storage recreate failure above 100% reported even if not used.

Idea priority Medium
  • Guest
    Reply
    |
    Sep 29, 2017

    Thanks for the suggestion - this was implemented in PowerVC 1.3.2, as noted on the Knowledge Center:

    The VMAX driver lets you provision volumes to oversubscribed pools. The amount of oversubscription allowed is limited by the pool configuration on the VMAX. It is not limited by the Cinder max_over_subscription_ratio configuration option because PowerVC does not support pool scheduling where the option is used. The Available Capacity reported by the VMAX provider is the raw capacity available. It is not the unsubscribed capacity that would be left if the thin volumes were fully utilizing their allocated sizes.

    Thanks for the suggestion!

  • Guest
    Reply
    |
    Nov 11, 2015

    Creating a new RFE based on Community RFE #79597 in product PowerVC.