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Status Not under consideration
Created by Guest
Created on Jan 22, 2015

Mdisk Mirroring

Provide the capability to mirror MDISKS similar to the existing ability to mirror vdisks.

Idea priority Medium
  • Guest
    Reply
    |
    Jun 12, 2015

    Due to processing by IBM, this request was reassigned to have the following updated attributes:
    Brand - Servers and Systems Software
    Product family - Storage
    Product - IBM System Storage SAN Volume Controller (SVC) / Spectrum Virtualize

    For recording keeping, the previous attributes were:
    Brand - Tivoli
    Product family - Storage
    Product - IBM System Storage SAN Volume Controller (SVC) / Spectrum Virtualize

  • Guest
    Reply
    |
    Feb 18, 2015

    After careful thought and review, this is not a functionality we intend to provide. We continue to recommend for the use case that wishes to reduce the risk of a backend storage outage, that those volumes be protected with vdisk mirror, even if that means running Easy Tier across two storage pools to accomplish the desired results. However, the secondary storage pool in a vdisk mirror doesn't necessarily need FlashSystems or Easy Tier, and it being slower is only a potential impact to performance on data writes. The faster pool of the two is always used for data reads.