Thai Nguyen wrote: > For various purposes in the engineering work we do to validate our disk > controller product, we need to be able to ascertain what LBAs on the disk > actually correspond to a given file written out under ZFS. Once a file is > written and closed, we want to be able to traverse associated ZFS directory > and allocation structures to uncover where ultimately the data sectors for > the file live on the disk. To understand this, we want to write a utility > that "walks" through the relevant file system housekeeping objects winding > through until we have all the pieces uncovered which allow us to translate a > given offset of a file to actual LBAs on the disk. > > It is our understanding that there may be some utilities which perform > similar operations (or at least contain a lot of the traversing logic we > would require). Can you please point us in the right direction for requisite > documentation and related source code? Any other information and/or > suggestions would be greatly appreciated.
[EMAIL PROTECTED] is the best place to ask. However I think for validating a disk controller you should NOT go through a filesystem but instead read/write directly on the OS device nodes. -- Darren J Moffat _______________________________________________ opensolaris-code mailing list opensolaris-code@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/opensolaris-code
