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Status Delivered
Workspace IBM Spectrum Virtualize / FlashSystem
Created by Guest
Created on Jun 2, 2014

RELATED IDEAS

Expand Volume size of a Global Mirror primary

I'd like to be able to expand the volume size of a Global Mirror primary without having to:

1) Delete the relationship.
2) Increase the size of all the volumes. All volumes in a relationship must have the exact same size (virtual capacity).
3) Re-create the relationship with the larger volumes.

When the mirror is restarted, it will do a complete initial synchronization, which replicates the entire primary volume to the secondary volume.

Idea priority Medium
  • Guest
    Reply
    |     Sep 29, 2015

    This same lack of feature in IBM's SVC code affects the ability to resize any volumes using Flashcopy relationships of any kind, therefore is causing a huge amount of extra unnecessary administration work when we need to resize any of our volumes that are using local flashcopy as well as our Global Mirror volumes. Our arrays from other vendors do not suffer from this same defect, and as such may become our preferred direction when considering new storage purchases.

    As a side effect of having to remove the relationships, unless you actually physically shut down the host accessing the source volume when you are doing this, you need to re-replicate the entire volume to the remote end when recreating the relationship. This is unacceptable in an enterprise grade storage array.

  • 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

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