1*2fe4371dSAlexey Dobriyanconfig OCFS2_FS 2*2fe4371dSAlexey Dobriyan tristate "OCFS2 file system support" 3*2fe4371dSAlexey Dobriyan depends on NET && SYSFS 4*2fe4371dSAlexey Dobriyan select CONFIGFS_FS 5*2fe4371dSAlexey Dobriyan select JBD2 6*2fe4371dSAlexey Dobriyan select CRC32 7*2fe4371dSAlexey Dobriyan select QUOTA 8*2fe4371dSAlexey Dobriyan select QUOTA_TREE 9*2fe4371dSAlexey Dobriyan help 10*2fe4371dSAlexey Dobriyan OCFS2 is a general purpose extent based shared disk cluster file 11*2fe4371dSAlexey Dobriyan system with many similarities to ext3. It supports 64 bit inode 12*2fe4371dSAlexey Dobriyan numbers, and has automatically extending metadata groups which may 13*2fe4371dSAlexey Dobriyan also make it attractive for non-clustered use. 14*2fe4371dSAlexey Dobriyan 15*2fe4371dSAlexey Dobriyan You'll want to install the ocfs2-tools package in order to at least 16*2fe4371dSAlexey Dobriyan get "mount.ocfs2". 17*2fe4371dSAlexey Dobriyan 18*2fe4371dSAlexey Dobriyan Project web page: http://oss.oracle.com/projects/ocfs2 19*2fe4371dSAlexey Dobriyan Tools web page: http://oss.oracle.com/projects/ocfs2-tools 20*2fe4371dSAlexey Dobriyan OCFS2 mailing lists: http://oss.oracle.com/projects/ocfs2/mailman/ 21*2fe4371dSAlexey Dobriyan 22*2fe4371dSAlexey Dobriyan For more information on OCFS2, see the file 23*2fe4371dSAlexey Dobriyan <file:Documentation/filesystems/ocfs2.txt>. 24*2fe4371dSAlexey Dobriyan 25*2fe4371dSAlexey Dobriyanconfig OCFS2_FS_O2CB 26*2fe4371dSAlexey Dobriyan tristate "O2CB Kernelspace Clustering" 27*2fe4371dSAlexey Dobriyan depends on OCFS2_FS 28*2fe4371dSAlexey Dobriyan default y 29*2fe4371dSAlexey Dobriyan help 30*2fe4371dSAlexey Dobriyan OCFS2 includes a simple kernelspace clustering package, the OCFS2 31*2fe4371dSAlexey Dobriyan Cluster Base. It only requires a very small userspace component 32*2fe4371dSAlexey Dobriyan to configure it. This comes with the standard ocfs2-tools package. 33*2fe4371dSAlexey Dobriyan O2CB is limited to maintaining a cluster for OCFS2 file systems. 34*2fe4371dSAlexey Dobriyan It cannot manage any other cluster applications. 35*2fe4371dSAlexey Dobriyan 36*2fe4371dSAlexey Dobriyan It is always safe to say Y here, as the clustering method is 37*2fe4371dSAlexey Dobriyan run-time selectable. 38*2fe4371dSAlexey Dobriyan 39*2fe4371dSAlexey Dobriyanconfig OCFS2_FS_USERSPACE_CLUSTER 40*2fe4371dSAlexey Dobriyan tristate "OCFS2 Userspace Clustering" 41*2fe4371dSAlexey Dobriyan depends on OCFS2_FS && DLM 42*2fe4371dSAlexey Dobriyan default y 43*2fe4371dSAlexey Dobriyan help 44*2fe4371dSAlexey Dobriyan This option will allow OCFS2 to use userspace clustering services 45*2fe4371dSAlexey Dobriyan in conjunction with the DLM in fs/dlm. If you are using a 46*2fe4371dSAlexey Dobriyan userspace cluster manager, say Y here. 47*2fe4371dSAlexey Dobriyan 48*2fe4371dSAlexey Dobriyan It is safe to say Y, as the clustering method is run-time 49*2fe4371dSAlexey Dobriyan selectable. 50*2fe4371dSAlexey Dobriyan 51*2fe4371dSAlexey Dobriyanconfig OCFS2_FS_STATS 52*2fe4371dSAlexey Dobriyan bool "OCFS2 statistics" 53*2fe4371dSAlexey Dobriyan depends on OCFS2_FS 54*2fe4371dSAlexey Dobriyan default y 55*2fe4371dSAlexey Dobriyan help 56*2fe4371dSAlexey Dobriyan This option allows some fs statistics to be captured. Enabling 57*2fe4371dSAlexey Dobriyan this option may increase the memory consumption. 58*2fe4371dSAlexey Dobriyan 59*2fe4371dSAlexey Dobriyanconfig OCFS2_DEBUG_MASKLOG 60*2fe4371dSAlexey Dobriyan bool "OCFS2 logging support" 61*2fe4371dSAlexey Dobriyan depends on OCFS2_FS 62*2fe4371dSAlexey Dobriyan default y 63*2fe4371dSAlexey Dobriyan help 64*2fe4371dSAlexey Dobriyan The ocfs2 filesystem has an extensive logging system. The system 65*2fe4371dSAlexey Dobriyan allows selection of events to log via files in /sys/o2cb/logmask/. 66*2fe4371dSAlexey Dobriyan This option will enlarge your kernel, but it allows debugging of 67*2fe4371dSAlexey Dobriyan ocfs2 filesystem issues. 68*2fe4371dSAlexey Dobriyan 69*2fe4371dSAlexey Dobriyanconfig OCFS2_DEBUG_FS 70*2fe4371dSAlexey Dobriyan bool "OCFS2 expensive checks" 71*2fe4371dSAlexey Dobriyan depends on OCFS2_FS 72*2fe4371dSAlexey Dobriyan default n 73*2fe4371dSAlexey Dobriyan help 74*2fe4371dSAlexey Dobriyan This option will enable expensive consistency checks. Enable 75*2fe4371dSAlexey Dobriyan this option for debugging only as it is likely to decrease 76*2fe4371dSAlexey Dobriyan performance of the filesystem. 77*2fe4371dSAlexey Dobriyan 78*2fe4371dSAlexey Dobriyanconfig OCFS2_FS_POSIX_ACL 79*2fe4371dSAlexey Dobriyan bool "OCFS2 POSIX Access Control Lists" 80*2fe4371dSAlexey Dobriyan depends on OCFS2_FS 81*2fe4371dSAlexey Dobriyan select FS_POSIX_ACL 82*2fe4371dSAlexey Dobriyan default n 83*2fe4371dSAlexey Dobriyan help 84*2fe4371dSAlexey Dobriyan Posix Access Control Lists (ACLs) support permissions for users and 85*2fe4371dSAlexey Dobriyan groups beyond the owner/group/world scheme. 86