Projects / Enterprise Volume Management System

Enterprise Volume Management System

The Enterprise Volume Management System (EVMS) Project has the goal of providing unparalleled flexibility and extensibility in managing storage. It represents a new approach to logical volume management, as the architecture introduces a plug-in model that allows for easy expansion or customization of various levels of volume management.

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Recent releases

  •  14 Sep 2005 11:24

    Release Notes: This is the third maintenance release in the EVMS 2.5.x series. This release is primarily intended to fix some recent bug-reports, as well as to update to the most recent kernel and Device-Mapper releases. EVMS 2.5.3 is supported on recent 2.6 and 2.4.22 to 2.4.31 kernels.

    •  01 Jul 2003 16:57

      Release Notes: The clustering plugin adds support for RSCT clusters. The snapshotting plugin adds reset and rollback support. The software-RAID plugin adds RAID-1 reconfigure, RAID-1 resize, RAID-Linear resize, and multipath support. User interface improvements were made. Macintosh-native disk partitions are now recognized. Bug fixes were made for start-up on read-only file systems, O_DIRECT on 2.4 kernels, the High Availability plugin, and devfs.

      •  02 May 2003 23:13

        Release Notes: The Core Engine loads the Device-Mapper kernel module if not present. Minor fixes were made in the cluster-segment-manager. A new command was added to mount volumes. The Disk Manager accepts "*" and "?" wild cards and bracket notation ("[...]") when specifying block devices in evms.conf. The 2.4 and 2.5 kernel versions have been combined into a single plugin. The LVM component has a new "Move-PV" interface. Bugs were fixed with migrating some setups from LVM1 directly to EVMS 2.0 and activation of certain striped LVM regions. RAID-5 was fixed on BBR segments, and there is support for loading the BBR kernel component as a module.

        •  02 May 2003 23:12

          Release Notes: This is the first full release of the new EVMS design, which is based upon user-space volume discovery and communication with existing kernel drivers such as MD/Software-RAID and Device-Mapper.

          •  18 Mar 2003 19:52

            Release Notes: The Clustering/High Availability plugin now has improved failover support. The Core Engine now allows engines to open if Device-Mapper isn't loaded. Offline movement support has been added to the MD and GPT plugins. The text mode UI now supports "Create Feature", "Modify Properties", and volume conversions. Snapshotting has received lots of testing and bugfixes. The DOS Segment Manager has resolved differences between active DM devices and partition table metadata. Disk Manager now supports devfs without requiring devfsd. Documentation updates have been made.

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