For Linux available native support ZFS file system

Brian Behlendorf (Brian Behlendorf), creator of the http-server Apache, introduced a new version of the project, which is working to implement native support for ZFS file system for Linux. Unlike the ZFS-FUSE, running on the user level through the subsystem FUSE, a new project is implemented in a modular Linux-kernel. As is well known integration package ZFS in the Linux-kernel prevents incompatibility license GPLv2 and CDDL, which excludes the possibility of mixing code under these licenses. To work around this limitation, Behlendorf using simple and obvious method - he decided to distribute its entire product is licensed under the CDDL as a separate loadable kernel module for Linux-kernel, which is supplied separately from the kernel.

Owing to the nature of memory in the original code of the ZFS of Solaris, ZFS-module for Linux so far only works in 64-bit assembly. At the same time to test the use of such distributions, as RHEL, CentOS, Fedora and Ubuntu. The project uses the code 1918 version of ZFS, imported from the 121 build OpenSolaris. In addition to direct implementation of ZFS in the module used such sopustvuyuschie library Solaris, as libavl, libnvpair, libefi, libunicode and libutil.

Development is conducted at Lawrence Livermore National Laboratory, University of California under contract with the U.S. Department of Energy. With instructions for assembly and installation can be found on this page. It is reported that at this point in the module is implemented fully functional and stable support for features such as the SPA (Storage Pool Allocator), DMU (Data Management Unit), ZPL (ZFS POSIX Layer) and ZVOL (ZFS Emulated Volume).

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http://ru.wikipedia.org/wiki/Zettabyte_File_System

28 May 2010

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