2018-07-05 07:02:00 UTC

What is the biggest difference between LizardFS and Red Hat Ceph Storage

One of the most popular comparisons on IT Central Station is LizardFS vs Red Hat Ceph Storage.

One user says about Red Hat CEPH Storage, "The ability to provide block storage and object storage from the same storage cluster is very valuable for us."

Another user says about LizardFS, "LizardFS allows storing data across several nodes (which run on commodity hardware, even inside virtual machines) and also has a built-in HA mechanism."

In your experience, which is better and why?

11 Answer

author avatar

“Software-defined storage (SDS) is a computer program that manages data storage resources and functionality and has no dependencies on the underlying physical storage hardware.” (https://searchstorage.techtarget.com/definition/software-defined-storage)

Both Ceph and LizardFS are SDS solutions.

Ceph provides Block, Object, and File storage services.
Ceph follows the “Shared Nothing” storage model,
which means that storage devices connect to just one node.
Ceph is a Scale-Out storage solution, which means that Ceph capacity
can be increased by adding nodes with attached storage devices.
Ceph is not suitable for small deployment, because Ceph requires at least
3 nodes and recommends more for production environments.
Ceph is an open-source project. If you look at just open source multiple-node storage
solutions, Ceph dominates this market segment with over half the market segment.
Both Red Hat and Suse support Ceph. The Ceph project has been working to
improve the quality, performance, and storage administration. The Ceph file capability
is just reaching a maturity level that Red Hat says is ready for commercial use.
A large open-source community supports Ceph.
For more information read:


LizardFS supports File Storage. LizardFS is a Scale-Out storage solution. LizardFS
storage data on “Chunk Servers”. To add capacity, add more “chunk servers”.
LizardFS uses a single active meta data server, with hot standby metadata servers.
The single metadata server will limit the scalability. However, Lizardfs should be
able to work with numerous “chunk servers” and support a fairly large storage capacity.
SkyTechnology, Warsaw, Poland seems to be the company behind this open source
project. Information on the internet seems to indicate that LizardFS is in the early stages
of maturity.

For more information read:

Warning: this information is intended to just help people get started on
the path to learning something about these storage solutions.
I have not performed a rigorous comparison study.

2018-07-06 20:53:55 UTC
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