On 09/15/11 9:10 PM, Christopher Chan wrote: > ZFS, ZFS, ZFS dedup is an extremely new feature in ZFS and not even enabled in the latest release of supported Solaris 10... so, I'd wonder if the A) the source code for it is in the open source version (Oracle hasn't been releasing new source code to much of anything) or B) its considered stable yet. frankly, the only place I'd consider using any sort of dedup is in a backup system like backuppc, where its implemented at an application level rather than transparently in the file system. as your file system object count grows, it becomes astronomically more expensive. -- john r pierce N 37, W 122 santa cruz ca mid-left coast