On Sun, Jul 21, 2002 at 07:47:37PM +0100, Mark Cooke wrote: > On Sun, 2002-07-21 at 19:22, Gene Heskett wrote: > > In our experience, when the tape is recognized by the drive after > > being inserted, the drives compression setting is restored to > > whatever was in effect when the tape was last labeled. > So as long as as hardware compression is turned off (with the commanded > I used) *before* I run amlabel, then everytime I insert that tape it > will not use hardware compression, as it was labeled up with hardware > compression turned off? > > Just to make sure that hardware compression is turned off I've created a > small script that disables it and inserted that using cron to run, just > after amcheck, but before amdump.
At least on the Linux box here you can put post-install st mt datcomp off to /etc/modules.conf and it will always set datcomp off immediately after loading the scsi tape "driver". I vaguely remember some mt's not supporting the datcomp keyword but that's just a command and you can replace it.
