Side by side

DAOS vs XtreemFS

Both stand on storage replication software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

DAOS

Free plan APILinuxSelf-hosted

DAOS provides a range of storage data models and protection options for AI and HPC environments. Check its version 2.8 Linux distribution limits before planning a deployment.

Visit DAOS

XtreemFS offers replicated storage, failover and read-only replicas, with support for Linux, macOS, Windows and self-hosted deployment. Consider the per-volume file limit and the community-based support channels when assessing fit.

Visit XtreemFS

The facts

	DAOS	XtreemFS
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	API, Linux, Self-hosted	Linux, Mac, Self-hosted, Windows
Lowest paid plan	Not published	Free or on request
Plans published	None	1
Maker	Not published	Not published
Website	daos.io	xtreemfs.org
On storage replication software	#5 of 24	#9 of 24

DAOS: what it does well

Free and open source under a BSD-2-Clause Plus Patent License.
Supports snapshots for dataset containers.
Offers erasure coding and replication options.
Fine-grained access controls apply to pools and containers.
Can trigger rebuilds when an engine becomes unresponsive.

What to know first

Version 2.8 is built for Linux on x86_64.
Ubuntu and Fedora are not supported by DAOS 2.8.
CentOS Stream and RHEL 8 and its clones are not supported.

XtreemFS: what it does well

Files replicate across storage servers.
Automatic failover can switch to a backup replica.
Read-only replicas can cache across datacenters.
POSIX compatibility supports NFS replacement.
Free under an open-source BSD license.

What to know first

A single volume holds up to tens of millions of files.
User questions go to a public mailing list.
Bug reports use the GitHub bug tracker.

Alternatives to DAOS Alternatives to XtreemFS The whole list