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Status Delivered
Workspace IBM Spectrum Virtualize / FlashSystem
Created by Guest
Created on Nov 18, 2016

RELATED IDEAS

HyperSwap: IP connection on IP quorum disk makes redundant so to avoid Quorum disk offline

System: Storwize V5030
Actor: HyperSwap

-----------------------------
Understood HyperSwap technology is based on chassis level redundancy. In the meantime IP quorum is based on IP connection between storage nodes and tie-braker IP quorum disk.

However, there is perception as IP connection is something has to be redundant and that way even connection error or disconnection of LAN happens that thing is not going to be a failure.

For example limited area of LAN failure doesn't cause site failure it self.
site 1 and site 2 storage: V5030 connect together to IP quorum disk at site 3.

see attachment powerpoint file

Even if single IP connection failure is remarked as IP quorum offline then, HyperSwap doesn't function as that status.

This request is to avoid such situation as single IP connection failure results as IP quorum disk offline.

So enhancement request is to make IP connection as redundant so that IP quorum keeps functional even in such situation.

Idea priority High
  • Admin
    Philip Clark
    Reply
    |     Feb 28, 2024

    Policy-Based HA released in 8.6.1 (3Q23) now delivers high performance mirroring between completely independent systems. Each has independent management connection to IP quorum.

  • Admin
    Philip Clark
    Reply
    |     Jul 3, 2023

    Thank you for voting or commenting on this Idea. We have reviewed this request and plan to include in a future release.

    Note that you can identify "winner" site. In the event that quorum app is unavailable, the predefined winner site will win the tie-break. Loss of network access to quorum app will not affect availability of HyperSwap system.

    We appreciate your input and hope that you will continue to submit enhancement requests, as this feedback is a key component to shaping the future direction of the Virtualize and FlashSystem family.

    Thanks,
    FlashSystem Team

    philipclark@ibm.com

  • Guest
    Reply
    |     Jun 23, 2021

    Hi,

    I discovered that recently with a customer.
    They were as suprised as me in fact... I really think that this should be taken in consideration because Hyperswap is supposed to be a complete "Availability" solution and our customers shouldn't have to worry if everything is working well "but 1 ethernet port.."

    Thank you.

  • Guest
    Reply
    |     Nov 27, 2019

    this RFE would also be applicable to protect IP network redundancy for SVC Stretched Clusters - It was requested by a very large client to harden the HA protection of their 20 ESC clusters / > 10 PB SVC infrastructure

  • Guest
    Reply
    |     Nov 18, 2016

    Attachment (Description): see figure on powerpoint that shows how IP quorum disk is connected to V5030

    V5000HyperSwap_...
    V5000HyperSwap_system configuration.ppt
     V5000HyperSwap_system configuration.ppt
    Open full size
    V5000HyperSwap_system configuration.ppt

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