Prompt

What should I use for file storage that works with VMs and containers?

Technology / Cloud Infrastructure1 observationLast seen Oct 12, 2026

Latest observation

Oct 12, 2026OpenAI APIWeb search: off

If you want one storage option that works well for both VMs and containers, the usual recommendation is shared network storage, not local disk.

Best general choice

NFS

  • Works with virtual machines and containers
  • Simple to set up and widely supported
  • Good for shared files, persistent container volumes, backups, and home directories

Other solid options

SMB/CIFS

  • Better if you need strong Windows integration
  • Also usable from Linux VMs and containers, but less common for container workloads than NFS

iSCSI

  • Gives block storage, so a VM can format it with a filesystem
  • Works well for VMs, but is usually less convenient for containers than NFS because containers typically want filesystem-level shared storage

Ceph / distributed storage

  • Best if you need:
    • high availability
    • scalability
    • storage usable by both VM and container platforms
  • More complex to operate

Practical recommendation

  • Small/medium setup: NFS
  • Windows-heavy environment: SMB
  • VM-focused block storage: iSCSI
  • Enterprise / cloud-native / HA: Ceph

Rule of thumb

  • If you need shared files across VMs and containers: NFS
  • If you need a disk presented to a VM: iSCSI
  • If you need storage at scale with redundancy: Ceph

If you tell me your setup (Proxmox/VMware/Kubernetes/Docker, Linux vs Windows, single server vs cluster), I can recommend the best specific option.

Observation history

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