PowerScale OneFS vs Lustre

POPowerScale OneFS8.2Visit Lustre7.1Visit

Higher score PO PowerScale OneFS #2 in Distributed File System Software 8.2/10 Pricing on request ✓ 3 of 3 features Try PowerScale OneFS

vs

Lustre #5 in Distributed File System Software 7.1/10 Free plan Free plan✓ 1 of 3 features Visit Lustre

• PowerScale OneFS fits best

  Enterprise scale-out file infrastructure

• Lustre fits best

  Linux HPC environments needing open-source parallel FS

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Side by side

Feature	POPowerScale OneFS 8.2/10 Visit ↗	Lustre 7.1/10 Visit ↗
At a glance
Editor score	8.2	7.1
Ranking	#2 in Distributed File System Software	#5 in Distributed File System Software
Best for	Enterprise scale-out file infrastructure	Linux HPC environments needing open-source parallel FS
Pricing model	Paid	Free
Starting price	Not published	Not published
Free plan	Not published	✓ (best)
Free trial	—	—
Deployment	Cloud, Self-hosted	Self-hosted
Support	Docs	Community, Docs
Built for	Enterprise	Mid-market, Enterprise
Features PowerScale OneFS 3/3 · Lustre 1/3
Data replication	✓ (best)	—
Multi-site support	✓ (best)	Not published
Encryption at rest	✓	✓
Specs
Deployment model	Hybrid	Self_hosted
File access protocols	NFSv3, NFSv4, NFSoRDMA, SMB1, SMB2, SMB3, HTTP, FTP, NDMP, SNMP, LDAP, HDFS, S3, ADS, NIS	POSIX, NFS
Maximum nodes	Not published	Not published
Our review
Pros	Global namespace across clustered storage nodes Broad support for file, object, analytics, archive, and cloud workflows Replication, failover, snapshots, deduplication, tiering, and encryption	POSIX interface with unified namespace for concurrent Linux clients Striping across storage targets supports parallel access and throughput LNet routing, failover, LFSCK, and client-side encryption are included
Cons	Contact-sales pricing can make budgeting less direct Designed for PowerScale platforms or software-defined AWS deployments Its broad feature set is more than smaller file environments may need	Linux-only platform limits cross-platform deployment options Self-hosted operation requires infrastructure and administration No replication feature is specified for storage redundancy
Our verdict	PowerScale OneFS is Dell Technologies’ distributed file system for PowerScale scale-out NAS platforms. It creates a single file system and global namespace across clustered storage nodes, making it suitable for enterprise file, object,… Read the review →	Lustre is an open-source, POSIX-compliant distributed parallel file system for Linux-based high-performance computing and large-scale storage environments. It is designed for organizations operating HPC systems that need a unified… Read the review →

Strengths and trade-offs

• PowerScale OneFS — where it wins

  • Global namespace across clustered storage nodes
  • Broad support for file, object, analytics, archive, and cloud workflows
  • Replication, failover, snapshots, deduplication, tiering, and encryption

  Where it doesn't

  • Contact-sales pricing can make budgeting less direct
  • Designed for PowerScale platforms or software-defined AWS deployments
  • Its broad feature set is more than smaller file environments may need

• Lustre — where it wins

  • POSIX interface with unified namespace for concurrent Linux clients
  • Striping across storage targets supports parallel access and throughput
  • LNet routing, failover, LFSCK, and client-side encryption are included

  Where it doesn't

  • Linux-only platform limits cross-platform deployment options
  • Self-hosted operation requires infrastructure and administration
  • No replication feature is specified for storage redundancy

• POPowerScale OneFS8.2/10 · Pricing on request

  A broad, enterprise-focused file system for clustered NAS and cloud deployments.

  Try PowerScale OneFSFull verdict →
• Lustre7.1/10 · Free plan

  A Linux-only, self-hosted parallel file system for large-scale HPC storage.

  Visit LustreFull verdict →