IBM recently issued a Technote explaining the very handy NOLOG option which you can use when mounting JFS2 (also known as Enhanced Journaled File Systems). The NOLOG feature was added in AIX 6.1 and it only applies to JFS2, not to the older JFS. If you need to copy or restore data to a file system in a hurry, then you could mount the target file system with the NOLOG option. This was one of three suggestions I made in an earlier post for when you need to copy data quickly, but the Technote covers the NOLOG more comprehensively than I did in... [More]

Tags:  logical_volume file_system nolog performance recovery restore aix fast_write mount enhanced_journaled_file_s... jfs 6.1 jfs2 inline