12fe4371dSAlexey Dobriyanconfig OCFS2_FS 22fe4371dSAlexey Dobriyan tristate "OCFS2 file system support" 3*7b1fff7eSNicholas Bellinger depends on NET && SYSFS && CONFIGFS_FS 42fe4371dSAlexey Dobriyan select JBD2 52fe4371dSAlexey Dobriyan select CRC32 62fe4371dSAlexey Dobriyan select QUOTA 72fe4371dSAlexey Dobriyan select QUOTA_TREE 8e6aabe0cSJan Kara select FS_POSIX_ACL 92fe4371dSAlexey Dobriyan help 102fe4371dSAlexey Dobriyan OCFS2 is a general purpose extent based shared disk cluster file 112fe4371dSAlexey Dobriyan system with many similarities to ext3. It supports 64 bit inode 122fe4371dSAlexey Dobriyan numbers, and has automatically extending metadata groups which may 132fe4371dSAlexey Dobriyan also make it attractive for non-clustered use. 142fe4371dSAlexey Dobriyan 152fe4371dSAlexey Dobriyan You'll want to install the ocfs2-tools package in order to at least 162fe4371dSAlexey Dobriyan get "mount.ocfs2". 172fe4371dSAlexey Dobriyan 182fe4371dSAlexey Dobriyan Project web page: http://oss.oracle.com/projects/ocfs2 192fe4371dSAlexey Dobriyan Tools web page: http://oss.oracle.com/projects/ocfs2-tools 202fe4371dSAlexey Dobriyan OCFS2 mailing lists: http://oss.oracle.com/projects/ocfs2/mailman/ 212fe4371dSAlexey Dobriyan 222fe4371dSAlexey Dobriyan For more information on OCFS2, see the file 232fe4371dSAlexey Dobriyan <file:Documentation/filesystems/ocfs2.txt>. 242fe4371dSAlexey Dobriyan 252fe4371dSAlexey Dobriyanconfig OCFS2_FS_O2CB 262fe4371dSAlexey Dobriyan tristate "O2CB Kernelspace Clustering" 272fe4371dSAlexey Dobriyan depends on OCFS2_FS 282fe4371dSAlexey Dobriyan default y 292fe4371dSAlexey Dobriyan help 302fe4371dSAlexey Dobriyan OCFS2 includes a simple kernelspace clustering package, the OCFS2 312fe4371dSAlexey Dobriyan Cluster Base. It only requires a very small userspace component 322fe4371dSAlexey Dobriyan to configure it. This comes with the standard ocfs2-tools package. 332fe4371dSAlexey Dobriyan O2CB is limited to maintaining a cluster for OCFS2 file systems. 342fe4371dSAlexey Dobriyan It cannot manage any other cluster applications. 352fe4371dSAlexey Dobriyan 362fe4371dSAlexey Dobriyan It is always safe to say Y here, as the clustering method is 372fe4371dSAlexey Dobriyan run-time selectable. 382fe4371dSAlexey Dobriyan 392fe4371dSAlexey Dobriyanconfig OCFS2_FS_USERSPACE_CLUSTER 402fe4371dSAlexey Dobriyan tristate "OCFS2 Userspace Clustering" 412fe4371dSAlexey Dobriyan depends on OCFS2_FS && DLM 422fe4371dSAlexey Dobriyan default y 432fe4371dSAlexey Dobriyan help 442fe4371dSAlexey Dobriyan This option will allow OCFS2 to use userspace clustering services 452fe4371dSAlexey Dobriyan in conjunction with the DLM in fs/dlm. If you are using a 462fe4371dSAlexey Dobriyan userspace cluster manager, say Y here. 472fe4371dSAlexey Dobriyan 482fe4371dSAlexey Dobriyan It is safe to say Y, as the clustering method is run-time 492fe4371dSAlexey Dobriyan selectable. 502fe4371dSAlexey Dobriyan 512fe4371dSAlexey Dobriyanconfig OCFS2_FS_STATS 522fe4371dSAlexey Dobriyan bool "OCFS2 statistics" 538757241eSSunil Mushran depends on OCFS2_FS && DEBUG_FS 542fe4371dSAlexey Dobriyan default y 552fe4371dSAlexey Dobriyan help 562fe4371dSAlexey Dobriyan This option allows some fs statistics to be captured. Enabling 572fe4371dSAlexey Dobriyan this option may increase the memory consumption. 582fe4371dSAlexey Dobriyan 592fe4371dSAlexey Dobriyanconfig OCFS2_DEBUG_MASKLOG 602fe4371dSAlexey Dobriyan bool "OCFS2 logging support" 612fe4371dSAlexey Dobriyan depends on OCFS2_FS 622fe4371dSAlexey Dobriyan default y 632fe4371dSAlexey Dobriyan help 642fe4371dSAlexey Dobriyan The ocfs2 filesystem has an extensive logging system. The system 652fe4371dSAlexey Dobriyan allows selection of events to log via files in /sys/o2cb/logmask/. 662fe4371dSAlexey Dobriyan This option will enlarge your kernel, but it allows debugging of 672fe4371dSAlexey Dobriyan ocfs2 filesystem issues. 682fe4371dSAlexey Dobriyan 692fe4371dSAlexey Dobriyanconfig OCFS2_DEBUG_FS 702fe4371dSAlexey Dobriyan bool "OCFS2 expensive checks" 712fe4371dSAlexey Dobriyan depends on OCFS2_FS 722fe4371dSAlexey Dobriyan default n 732fe4371dSAlexey Dobriyan help 742fe4371dSAlexey Dobriyan This option will enable expensive consistency checks. Enable 752fe4371dSAlexey Dobriyan this option for debugging only as it is likely to decrease 762fe4371dSAlexey Dobriyan performance of the filesystem. 77