MDS Switches Provide and Enterprise Class SAN Fabric for Demanding Workloads
Use Cases and Deployment Scope
We use a mix of MDS 9248, and 9396 fabric switches to support FC SAN Fabrics. These [Cisco MDS 9000 Series Multilayer Switches] provide FC SAN Fabric to virtualized VMware environments and for bare-metal hosts running either Windows or Red Hat. The MDS's enable us to have a standard method of presenting FC fabric across the facility. We are currently visiting the implementation of [stretched] FC fabric through DWDM to replace FCIP replication between storage arrays.
Pros
- Zoning
- High MTBF
- Buffer Credits
Cons
- Centralized Management through DCNM
- Cost (Port License Cost vs New Switch)
- 3rd Party SFP+ Compatibility
- Smart Zoning (personally prefer SIMT)
Return on Investment
- High MTBF
- Stable hardened OS reducing the need for constant upgrades
- NVMeOF Compatibility
- High port density in relatively small footprint (with 9396)
Alternatives Considered
Extreme VCS Fabrics (formerly Brocade VCS Fabrics) and IBM SAN48B-5
Other Software Used
VMware vSphere, Cisco Intersight


