Stratis (configuration daemon)

Stratis is a user-space configuration daemon that configures and monitors existing components from Linux's underlying storage components of logical volume management (LVM) and XFS filesystem via D-Bus.

stratisd
Stable release
2.3.0 / November 9, 2020 (2020-11-09)
Repositorygithub.com/stratis-storage/stratisd
Written inRust
Operating systemLinux
LicenseMozilla Public License 2.0
Websitestratis-storage.github.io
stratis-cli
Stable release
2.3.0 / November 9, 2020 (2020-11-09)
Repositorygithub.com/stratis-storage/stratis-cli
Written inPython
Operating systemLinux
LicenseApache License 2.0
Websitestratis-storage.github.io

Details

Stratis is not a user-level filesystem like the Filesystem in Userspace (FUSE) system. Stratis configuration daemon was originally developed by Red Hat to have feature parity with ZFS and Btrfs. The hope was due to Stratis configuration daemon being in userland, it would more quickly reach maturity versus the years of kernel level development of file systems ZFS and Btrfs.[1][2] As it is built upon enterprise-tested components LVM and XFS with over a decade of enterprise deployments and the lessons learned from System Storage Manager in Red Hat Enterprise Linux 7.[3]

Stratis provides ZFS/Btrfs-style features by integrating layers of existing technology: Linux's device mapper subsystem, and the XFS filesystem. The stratisd daemon manages collections of block devices, and provides a D-Bus API. The stratis-cli DNF package provides a command-line tool stratis, which itself uses the D-Bus API to communicate with stratisd.

See also

References
  1. Sei, Mark (10 October 2018). "Fedora 29 new features: Startis now officially in Fedora". Marksei, Weekly sysadmin pills.
  2. "RHEL 8: Chapter 8. Managing layered local storage with Stratis". 10 October 2018.
  3. "Using Stratis: Frequently Asked Questions". 15 April 2019.
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