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IBM System Storage Ideas Portal

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Status Future consideration
Workspace ESS
Created by Guest
Created on Aug 20, 2020

Tunable options to reduce failover time of ESS when one of the IO servers fails

In 1H 2020, Korea team has made significant growth in ESS business. However it is noteworthy that business of our competitors have grown together. This is the evidence that market for fie storage is growing. Therefore it is strategically important that we grow at a faster rate that the competitors do. We request a functional enhancement in ESS firmware that would give us turn growth into hyper-growth, beating the competition and gaining market share. One of our ESS customers raised a serious issue after finding out the failover time of their ESS was over their SLA limit. It happened when one of the IO servers crashed unexpectedly and rebooted and all IO”s on the ESS was put on hold for 1.5 minutes. Their QoS guideline could not tolerate such a pause in production. To keep the business momentum, we request to provide tunables to reduce failover time to 40 seconds.

Idea priority High
  • Guest
    Nov 12, 2020

    We aim to reduce the failover time in a series of optimizations, but be aware that getting down to 40 seconds is unlikely other than potentially for NVMe systems.