On Wednesday 11 September 2002 06:28, Mozzi wrote: >Hi again all > >When running typetype what do I spesify as my type size ? >I have a 40/80 Gig dlt tape drive >so will my command be >typetype -e 40 -f /dev/nst0 -t Tandberg VS80 DLT >or >typetype -e 80 -f /dev/nst0 -t Tandberg VS80 DLT >?
Turn off any hardware compression first, and *leave it off*, then try the first version. With hardware compression on, the data from /dev/urandom will expand somewhat and tapetype will return an amount thats conservative, probably by double digit percentages. Amanda needs to know how much the tape can hold because she counts bytes being sent to the medium AFTER any compression she might have been told to do via your chosen dumptype in the disklist. Since software compression can, except for already compressed archive files, very handily beat the socks off the hardware rll, you'll get quite a bit more real capacity out of a tape with software. One session last week had nearly 7 gigs of src, on tape it was well under 2gigs, using less than half a DDS2 tape. In your disklist, don't compress directories full of archives, and do compress the other stuff unless the email from amanda says the compression was over 100% for that entry, which tells you the data grew. -- Cheers, Gene AMD K6-III@500mhz 320M Athlon1600XP@1400mhz 512M 99.14% setiathome rank, not too shabby for a WV hillbilly
