- Notes, cautions, and warnings
- Introduction
- Revision history
- PowerFlex overview
- System requirements and product limits
- Architecture
- System
- MDM cluster
- Virtual IP addresses
- Storage definitions
- Storage pools
- Acceleration pools
- Data layout
- Volumes
- Naming PowerFlex objects
- NVMe over TCP overview
- PowerFlex file services
- Replication
- Replication peer systems
- Storage data replicator
- Journal
- Replication consistency group
- Replication pairs
- Recovery point objective
- Replication I/O flow
- Replication auto-provision
- Replication initial copy
- Activating or terminating a replication consistency group
- Pausing replication
- Using replicated volumes
- Accessing target volumes
- Setting up replication
- Dell APEX Block Storage
- Protection and load balancing
- Cache
- Networking requirements and limitations
- SDC connection monitoring
- SMART hardware monitoring
- Snapshots
- Performance
- Migrating volumes
- Implementing PowerFlex
- Additional functions
- Maintenance
- PowerFlex management
- Configure direct attached storage
Dell PowerFlex 4.6.x Technical Overview
PowerFlex cluster component requirements
Each PowerFlex cluster includes the following components. Before deploying PowerFlex, ensure that the PowerFlex environment meets the server requirements for the cluster type.
Three-node cluster
- One primary MDM
- One secondary MDM
- One tiebreaker
- Minimum of three SDSs (on the same servers as the above components, or on three different servers)
- SDCs, up to the maximum allowed (on the same servers as the above components, or on different servers)
Five-node cluster
- One primary MDM
- Two secondary MDMs
- Two tiebreakers
- Minimum of three SDSs (on the same servers as the above components, or on three different servers) Dell Technologies recommends five SDSs so that the cluster members reside with the SDSs.
- SDCs, up to the maximum allowed (on the same servers as the above components, or on different servers)
PowerFlex management platform options
- PowerFlex rack dedicated management cluster—three-nodes or more
- PowerFlex appliance
- Option 1: Single node using RAID 5 and VMware ESXi 7.0 operating system
- Option 2: VMware ESXi cluster with three nodes or five nodes, with vSAN, if there is upgrade (PowerFlex management controller 1.0) or PowerFlex as shared storage (PowerFlex management controller 2.0).
- PowerFlex custom node—one node, dedicated
PowerFlex management controller
NOTE:In the one-node configuration, a hypervisor is required, such as VMware ESXi, to host PowerFlex management platform VMs.
- PowerFlex custom node or PowerFlex software: Co-resident PowerFlex management controller — available for PowerFlex software and custom node offerings.
- PowerFlex software or PowerFlex custom node offerings: Bring your own VMware ESXi environment to host PowerFlex management controller.
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