Table H-1 lists those mkfs options and arguments that have certain requirements applicable to their use with CXFS or are not supported with CXFS. Arguments that are not listed (such as -d name) behave the same way with CXFS as they do with XFS.
Table H-1. mkfs Options and CXFS
Option Type | Arguments | Notes |
|---|---|---|
Block size (-b) | log | Recommended value: 12 Minimum values: 9 for Linux, 12 for Mac OS X. |
| size | Recommended value: 4096 Minimum values: 512 for Linux, 4096 for Mac OS X. |
Data section (-d) | file | Not supported in CXFS |
| sectlog | Mac OS X and Windows nodes only support the default of 9 |
| sectsize | Mac OS X and Windows nodes only support the default of 512 |
Inode (-i) | attr | RHEL 4 does not support a value of 2 |
Log section (-l) | sectlog | Mac OS X and Windows nodes only support the default of 9 |
| sectsize | Mac OS X and Windows nodes only support the default of 512 |
| lazy-count | RHEL 4 and RHEL 5 do not support a value of 1. |
Naming (-n) | version | Only version 2 is supported |
Real-time (-r) | extsize | Not supported |
| size | Not supported |
| rtdev | Not supported |
| file | Not supported |
| name | Not supported |
| noalign | Not supported |
Sector size | log | Mac OS X and Windows only support the default of 9 |
| sectlog | Mac OS X and Windows only support the default of 9 |
| size | Mac OS X and Windows only support the default of 512 |
| sectsize | Mac OS X and Windows only support the default of 512 |