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Status Delivered
Created by Guest
Created on Aug 10, 2020

9848-AF8 / 8.3.1.1 limits migration speed ( number of threads )

After upgrading FS9x00 - 9848-AF8 to 8.3.1.1, the number of threads when migrating out of internal mdiskgrp has been limited to 4.

That combination can be reached by 4x1, 2x2, 1x4 - the total number of threads cannot exceed 4

This is a limitation compared to previous versions where the limit were higher in terms of jobs x threads
( 32 x 4 )

Idea priority Medium
  • Guest
    Reply
    |
    Jul 6, 2021

    Delivered in 8.4.1: (2Q 2021)

    Accelerated Data Migrations
    - delivers a 32X increase in the volume mirroring sync rate for mirrored vdisks. This improvement elevates the sync rate to a maximum of 2GB/s, accelerating operations such as volume copy creation and improving the speed of data migration.

    https://community.ibm.com/community/user/storage/blogs/evelyn-perez/2021/06/24/simplifying-storage-administration-with-ibm-spectr