Hi Fajar, Thanks for your quick response, just playing it around for a while, it is very useful to me.
Have a nice day! -Jeff 在 2011-2-16，下午10:16， Fajar A. Nugraha 写道： > On Wed, Feb 16, 2011 at 8:53 PM, Jeff liu <jeff....@oracle.com> wrote: >> Hello All, >> >> I'd like to know if there is an utility like `Filefrag' shipped with >> e2fsprogs on linux, which is used to fetch the extents mapping info of a >> file(especially a sparse file) located on ZFS? > > Something like zdb -dddd maybe? > http://cuddletech.com/blog/?p=407 > > -- > Fajar > >> >> I am working on efficient sparse file detection and backup through >> lseek(SEEK_DATA/SEEK_HOLE) on ZFS, and I need to verify the result by >> comparing the original sparse file >> and the copied file, so if there is such a tool available, it can be used to >> analyze the start offset and length of each data extent. _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
