Infrastructure · Infrastructure resource
Persistent Volume
Infrastructure resourceInfrastructureInfrastructurearc:PersistentVolume
Durable block, network-attached or local storage provisioned to containers through a storage claim, surviving pod restarts and rescheduling.
Responsibility. Provides storage that outlives individual container instances.
Also known as: Persistent volume claim, PVC, Named Docker volume, SSD-backed volume
Relationships
hosts structural
Quantitative guidance
As stated by the sources; verify before use.
- Example: 100 GiB fast-SSD ReadOnlyMany volume shared by all GPU worker pods for model caching (Ch4.3).
Classification
- Patterns
- Storage abstraction via claimsReadOnlyMany shared mounts
- Technologies
- Kubernetes PersistentVolumeClaimStorageClassAWS EBS gp3GCP Persistent SSD
- Quality attributes
- Reliability (ISO/IEC 25010 | NIST AI RMF: valid and reliable)Flexibility (ISO/IEC 25010)
- Risks mitigated
- Loss of embeddings and conversation history on pod restart
Sources
- Ch4.3: T. Nguyen, "Container Orchestration and Edge Deployment," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 4.3. ISBN: 9798244538229.
- Ch6.2B: T. Nguyen, "Production Vector Database Deployment," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 6.2B. ISBN: 9798244538229.
- Ch6.5: T. Nguyen, "Production RAG Systems," in Mastering Agentic AI Systems: Guide for the NVIDIA NCP-AAI Exam, 1st ed. 2026, ch. 6.5. ISBN: 9798244538229.