On Wednesday 08 January 2014 17:47:03 Jon LaBadie did opine: > On Wed, Jan 08, 2014 at 02:11:15PM -0500, Gene Heskett wrote: > > On Wednesday 08 January 2014 13:13:43 Brian Cuttler did opine: > ... > > > > Also - Isn't there another level of tape header that needs to be > > > cleared? Isn't re-writing the tape with compression off a little > > > bit of a trick? If you don't clear that other level of header, then > > > the compression is determined by the header info and not by the > > > device type selected when you write the tape? > > > > This has been true for me Brian. What I have found that works to shut > > it off for good: > > > > rewind the tape > > dd the 1st 32k block to a scratch file > > rewind the tape. > > execute the hardware compression off command _for_ _your_ drive. > > dd that scratch file back to the tape. > > Untested as I haven't experienced the problem, but I feel the > procedure could be rewind, hw compression off, dd any significant > amount of data, probably from /dev/random, would work as well. > I.e. just get some uncompressed data first on the tape. > > Jon
My way kept the tape recognizable as an amanda tape. You could put it right back into the rotation. Only reason really. Cheers, Gene -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author) Genes Web page <http://geneslinuxbox.net:6309/gene> Barker's Proof: Proofreading is more effective after publication. A pen in the hand of this president is far more dangerous than 200 million guns in the hands of law-abiding citizens.