On Fri, Jun 17, 2005 at 10:05:44AM -0600, Michael Loftis wrote: > > > --On June 17, 2005 9:51:48 AM +0200 Paul Bijnens > <[EMAIL PROTECTED]> wrote: > > >> Estimated time to write 2 * 12288 Mbyte: 26880 sec = 7 h 28 min > >> wrote 298832 32Kb blocks in 76 files in 10632 seconds (short write) > >> wrote 310628 32Kb blocks in 158 files in 10840 seconds (short write) > > > >These two lines are actually a little strange. I would have expected > >that the second pass wrote a little bit less then the first pass (and > >the difference is the space taken up by the additional filemarks). > > Actually..... on my DAT drives I get the same thing. Reliably. Multiple > (new) tapes, multiple drives. I think maybe a bug in the tapetype program > of some nature. I've only ever run the tests without compression > personally. >
Have you tried amtapetype with compression intentionally left on? It might confirm that the current results were obtained with compression off. I'm thinking about a possibility where the drive dip switches are set to not allow switching it off. My HP drive has such a switch. -- Jon H. LaBadie [EMAIL PROTECTED] JG Computing 4455 Province Line Road (609) 252-0159 Princeton, NJ 08540-4322 (609) 683-7220 (fax)
