I'm not that experienced in Linux (System Z or otherwise) - but perhaps this would be a place for a new filesystem, one built from the ground up to handle migration / recall of files in the ABR / HSM manner? In thinking about it, it seems to me that the filesystem code is where you'd handle things like directory entries which don't map to real blocks on disk (i.e. a migrated file), and where you'd handle automatic recall based on someone opening the file.
Tim Hare Senior Systems Programmer Florida Department of Transportation (850) 414-4209 ---------------------------------------------------------------------- For LINUX-390 subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: INFO LINUX-390 or visit http://www.marist.edu/htbin/wlvindex?LINUX-390
