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OCFS (''Oracle Cluster File System'') is a shared disk file system developed by Oracle Corporation and released under the GNU General Public License. The first version of OCFS was developed with the main focus to accommodate Oracle database files for clustered databases. Because of that it was not a POSIX compliant file system. With version 2 the POSIX features were included. OCFS2 (version 2) was integrated into the version 2.6.16 of Linux kernel. Initially, it was marked as "experimental" (Alpha-test) code. This restriction was removed in Linux version 2.6.19. With kernel version 2.6.29 more features have been included into ocfs2, most notably access control lists and quota.〔(【引用サイトリンク】title=Ocfs2 patches for merge window )〕 OCFS2 uses a distributed lock manager which resembles the OpenVMS DLM but is much simpler.〔(【引用サイトリンク】title=The OCFS2 filesystem )〕 ==See also== *GlusterFS *GFS2 *General Parallel File System (GPFS) *List of file systems *Lustre (file system) *QFS 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「OCFS2」の詳細全文を読む スポンサード リンク
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