集群文件系统 OCFS2

openkk 12年前

OCFS2是下一代的ORACLE集群文件系统，它已经被设计成为一种为通用的文件系统，它不仅可以存放数据库相关的文件，还可以存放oracle二进制文件(指Oracle_home下的软件文件-译者注）和配置文件，从而使RAC的管理更加轻松。

Optimized Allocations (extents, reservations, sparse, unwritten extents, punch holes)
REFLINKs (inode-based writeable snapshots)
Indexed Directories
Metadata Checksums
Extended Attributes (unlimited number of attributes per inode)
Advanced Security (POSIX ACLs and SELinux)
User and Group Quotas
Variable Block and Cluster sizes
Journaling (Ordered and Writeback data journaling modes)
Endian and Architecture Neutral (x86, x86_64, ia64 and ppc64)
Buffered, Direct, Asynchronous, Splice and Memory Mapped I/Os
In-built Clusterstack with a Distributed Lock Manager
Cluster-aware Tools (mkfs, fsck, tunefs, etc.)