Storage Compartment Assignment for Legacy Host Upgrade Isolation
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Solution Overview
Problem
Conventional storage systems face challenges due to mixed operating systems and outdated firmware, leading to interoperability issues that hinder software and firmware upgrades, causing performance and availability problems and increased security risks.
Innovation Solution
Dynamically partition storage systems into compartment constructs, enabling independent upgrades by analyzing host-storage interoperability and assigning storage objects based on risk profiles, using AI techniques to optimize compartment configurations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If storage systems support mixed operating systems and legacy firmware, then compatibility with diverse applications is maintained, but interoperability issues arise that hinder software and firmware upgrades
Solution Approach 1:
The storage system is divided into multiple compartment constructs, each isolated from others. Legacy hosts with outdated firmware are assigned to specific compartments, allowing the overall system to maintain compatibility with diverse applications while preventing interoperability issues from propagating across the entire system. Each compartment operates independently with its own firmware version.
Solution Approach 2:
The compartment construct acts as an intermediary layer between hosts and the storage system core. This intermediary structure allows legacy hosts to access storage resources while being isolated from upgrade operations, enabling firmware updates in non-legacy compartments without affecting legacy application compatibility.
2Reliability
If storage systems perform software and firmware upgrades, then performance and security are improved, but legacy hosts prevent upgrades due to interoperability conflicts
Solution Approach 1:
The system segments hosts into legacy and non-legacy groups based on firmware compatibility. Non-legacy hosts form upgradeable compartments that can receive performance and security updates, while legacy hosts are isolated in separate compartments. This segmentation enables partial upgrades without requiring complete system homogeneity.
Solution Approach 2:
The compartment construct dynamically adapts to mixed firmware environments by allowing different firmware versions to coexist in different compartments. This dynamic structure enables gradual modernization where upgradeable compartments can be updated independently, improving performance and security over time without being blocked by legacy hosts.
3Productivity
If legacy hosts are maintained for application compatibility, then existing applications continue to run, but they create bottlenecks that stall overall system modernization
Solution Approach 1:
The storage system segments legacy and modern hosts into separate compartment constructs. This segmentation allows legacy applications to continue running on their designated compartments without interfering with modernization efforts in other compartments. Application continuity is maintained while parallel modernization paths can proceed independently.
Solution Approach 2:
The system performs preliminary classification of hosts into legacy and non-legacy compartments before upgrade operations. This preliminary action identifies which hosts can be upgraded and which must remain isolated, enabling planned modernization that minimizes disruption to application continuity while accelerating the overall modernization timeline.
4Object-affected harmful factors
If all hosts are upgraded to latest firmware, then security risks are reduced, but legacy applications that require older firmware versions become incompatible
Solution Approach 1:
The storage system segments hosts based on firmware version requirements. Legacy applications are assigned to compartments with older firmware versions that maintain application compatibility, while non-legacy applications are assigned to compartments with latest firmware that provide enhanced security. This segmentation allows security improvements without sacrificing legacy application compatibility.
Solution Approach 2:
Different compartments are assigned different firmware quality levels appropriate to their specific application requirements. Legacy application compartments maintain older firmware with proven compatibility, while modern application compartments receive latest firmware with improved security. Each compartment has locally optimized firmware quality matching its application needs.
Data Source
AI summary
A computer-implemented method, according to one embodiment, includes mapping hosts in communication with a storage system to compartment constructs that are logical partitions of the storage system, analyzing interoperability of the hosts and the compartment constructs and defining, based on the analysis, risk profiles for applications run on the hosts. Ownership of storage objects to the compartment constructs is assigned based on the risk profiles, where each of the storage objects define a logical partition of one of the hosts and a logical partition of a storage volume of the storage system.