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Status Not under consideration
Workspace IBM Spectrum Virtualize / FlashSystem
Created by Guest
Created on May 18, 2015

RELATED IDEAS

Allow cache enable/disable at mdisk group level

Presently, SVC caching of vdisks is (correctly) enabled by default in read/write mode, though it is possible to disable at the vdisk level. In some circumstances, for example when using all-flash arrays as backing storage, we find it beneficial to disable cache on vdisks on such storage. Currently, we can only do this by identifying all volumes on the mdisk group that represents the flash storage and manually disabling cache for each of those volumes (vdisks). If a new vdisk is created on that mdisk group, cache is enabled by default and must be manually disabled. It would be beneficial to have an option at the mdisk group level to exclude vdisks on that mdisk group from cache. This would mean that if a new vdisk were created in that mdisk group, cache would be disabled by default. Ideally, it would be possible to disable cache at the mdisk group level via the CLI and the GUI.

Idea priority Low
  • 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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