SCSI Networking Module Encapsulates IP Packets for HA Clusters
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Solution Overview
Problem
High-Availability (HA) computer clusters require dedicated IP networks and additional hardware/software for synchronization, increasing costs and management complexity, especially for clustering traffic across nodes.
Innovation Solution
A system and method utilizing SCSI hardware to encapsulate and transmit Internet Protocol (IP) packets between information handling system devices, eliminating the need for dedicated HA networking hardware by employing a SCSI networking module within the operating system kernel and SCSI hardware for connecting devices, allowing for clustering without redundant hardware and software.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If dedicated IP network hardware and software are used for HA clustering, then reliability is improved, but device complexity and cost increase
Solution Approach 1:
The SCSI interface is made multi-functional by enabling it to carry both traditional storage traffic and IP network traffic for HA clustering. The SCSI networking module encapsulates IP packets within SCSI commands, allowing the same physical infrastructure to serve dual purposes: storage communication and network synchronization between cluster nodes.
Solution Approach 2:
The invention merges the dedicated HA networking function with the existing SCSI storage network. By combining IP packet transmission capabilities directly into the SCSI protocol stack, the system eliminates the need for separate networking hardware and software components that were previously required for HA clustering operations.
2Reliability
If redundant hardware and software are deployed for HA networking, then reliability is improved, but cost increases
Solution Approach 1:
Existing SCSI hardware resources are made universal by enabling them to handle both storage I/O and HA clustering network traffic. The same SCSI host bus adapters, switches, and cables that carry storage commands also transmit encapsulated IP packets for cluster node synchronization, eliminating the need for duplicate dedicated networking hardware.
Solution Approach 2:
The SCSI infrastructure serves itself by incorporating IP networking capabilities directly into the SCSI protocol stack through the SCSI networking module. The system uses its own existing SCSI hardware resources to provide the networking function that would traditionally require separate dedicated equipment, making the infrastructure self-sufficient.
3Reliability
If dedicated networking hardware is used for HA clusters, then reliability is improved, but ease of operation deteriorates due to additional management requirements
Solution Approach 1:
The invention combines the management of storage networking and HA cluster networking into a single unified system. By merging IP packet transmission capabilities into the SCSI protocol stack, administrators manage only the SCSI infrastructure rather than separately configuring and maintaining dedicated HA networking hardware and software, significantly reducing operational complexity.
Data Source
AI summary
A system may include information handling system devices connected together to form a computing cluster utilizing a SCSI interface. Each one of the information handling system devices may include an operating system kernel having a SCSI networking module for encapsulating Internet Protocol (IP) packets for transmitting between the information handling system devices. The system may also include SCSI hardware for connecting the information handling system devices together. The SCSI hardware may be configured to transmit the encapsulated IP packets between the information handling system devices.