EXOFS (formerly known as OSDFS) is an
object-based The term object-based language may be used in a technical sense to describe ''any'' programming language that uses the idea of encapsulating state and operations inside ''objects''. Object-based languages need not support inheritance or subtyping, b ...
file system implemented on top of an external object store.
Its name stands for "EXtended Object File System" referring to its use of
ext2
The ext2 or second extended file system is a file system for the Linux kernel. It was initially designed by French software developer Rémy Card as a replacement for the extended file system (ext). Having been designed according to the same ...
-based
metadata
and
object storage devices.
Exofs was originally developed by Avishay Traeger for
IBM HRL and was originally based on the ext2 file system. Since 2008,
Panasas develops and maintains Exofs o
open-osd.org
Exofs has been included in the mainline
Linux kernel since version 2.6.30-rc1, but no Linux distribution implemented this with a utility for making file systems in exofs for the current kernel line. It was removed in version 5.1-rc1.
See also
*
Comparison of file systems
The following tables compare general and technical information for a number of file systems.
General information
Limits
Metadata
Features File capabilities
Block capabilities
Note that in addition to the below table, blo ...
*
List of file systems
The following lists identify, characterize, and link to more thorough information on Computer file systems.
Many older operating systems support only their one "native" file system, which does not bear any name apart from the name of the operating ...
References
Disk file systems
Distributed file systems supported by the Linux kernel
{{Filesystem