On Friday 13 June 2003 13:00, Gene Heskett wrote: >Hi all; > >I'm having some issues with attempting to work out a 'how much is > left on this tape' scenario, and having a fixed block size of 32K > on the tape so that an mt tell gives a reasonable and consistent > value that can be used for these calculations. And I'm apparently > having trouble when a setblk 0 is in effect. > >The relative merits of setblk vs defblksize in setting these two >parameters needs to be discussed/defined for the users again. > >For instance, attempting to do an 'mt -f /dev/ice defblksize' of >anything other than 512 bytes renders the tape unreadable by amanda.
CORRECTION: amcheck cannot read it unless the defblksize in effect matches that which was in effect when the label block was last written. Then it works. >Or dd for that matter until you hit the magic twanger by resetting > defblksize to whatever was in effect at the time the tape was last > written. > >So, regardless of the danger of repeating a 2 year old discussion, > can we have that discussion again from the real experts? I've >re-installed enough times that those threads are gone from my own >mail archives, and maybe some of the rest of us could use a > refresher on this subject too. > >Many thanks for any clarification that the amanda authors can do > here. -- Cheers, Gene AMD [EMAIL PROTECTED] 320M [EMAIL PROTECTED] 512M 99.26% setiathome rank, not too shabby for a WV hillbilly Yahoo.com attornies please note, additions to this message by Gene Heskett are: Copyright 2003 by Maurice Eugene Heskett, all rights reserved.
