On 16 jun 2011, at 21:31, Roger Deschner wrote: > For TSM restores that will be from tape, I am discovering that RESTORE > -FILELIST is a whole lot faster for restores of multiple files than > RESTORE <filespec with wildcard>. So I'm building a script to run QUERY > BACKUP and then turn those results into a form for RESTORE -FILELIST. > The performance difference is dramatic - several hours for RESTORE > <filespec> compared to 5-20 minutes for RESTORE -FILELIST. I am > wondering why this is as I exploit this technique. >
because a single restore is executed in tape order... single pass over each tape needed... > TSM server 5.5 on AIX, LTO-4 tape. > > Roger Deschner University of Illinois at Chicago rog...@uic.edu > ====================== Happy 100th Birthday, IBM! ====================== -- Met vriendelijke groeten/Kind Regards, Remco Post r.p...@plcs.nl +31 6 248 21 622
