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Status Planned for future release
Workspace Storage Fusion
Created by Guest
Created on Nov 27, 2023

RELATED IDEAS

IBM Storage Fusion support for mutiple (1, 2 or 3) replica deployment model and lower infrastrucutre cost

Many modern OpenShift workloads are doing application level HA with deployment across AZ with transaction replication.  The most prominant of these from the IBM SW portfolio are CP4I and CP4BA.  For these workloads, their deployment with Fusion Data Foundation creates a 3x the storage overhead/cost.   In these cases, the application writing three copies and for each of these writes, FDF create three copies.   Fusion Data Foundation defaults to three replicas, which works well for applications that are not doing application level HA/Replication.  The sales/technical teams driving the sales of the applications recognize the benefit from Fusion's Advance Data Protection and HA/DR services but the infrastructure cost created by the 3x overhead makes positioning IBM Storage Fusion with these workloads cost prohibitive.    Today these workloads are electing to use cloud native storage service.

Ideally, Fusion Data Foundation needs to support a multiple (1,2 or 3) replica deployment model for both single and multi zone AZ deployments.  This capability would put Storage Fusion in a leading position versus our competitors from both a capability and cost perspective.  For example:
 

Single AZ:

Lowest cost and lowest protection:  1 replica, < 3 FDF nodes

Highest cost and highest protection: 3 replicas, >= 3 FDF nodes
 

Multi AZ

Lowest cost and lowest protection:  1 replica per AZ, 1 FDF node/AZ

Highest cost and highest protection: 3 replicas, >= 3 FDF nodes
 

Idea priority High
  • Guest
    Reply
    |     Nov 27, 2023

    The ask is to allow platform engineers to select an option for how Fusion would handle replication. In the case of integration products where they do their own replication, it makes sense to acknowledge that and disable additional storage-level replicas. The expectation is for each cluster to have its own setting. Deployed on HCI, each cluster could have different workloads with different replication requirements.

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