On Mon, 31 Oct 2005 at 8:20pm, Jason Castonguay wrote
Joshua Baker-LePain wrote:
On Wed, 26 Oct 2005 at 4:06pm, Jason Castonguay wrote
define tapetype Ultrium3 {
length 414386 mbytes
filemark 1889 kbytes
speed 10881 kps
}
Not that it's used by amanda for anything, but your speed seems awfully
slow. I don't know if that's a symptom of amtapetype or not (LTO3 drives
are fast compared to *hard drives*, never mind your standard tape drive),
but to get my LTO3 drives to run anywhere near their rated speeds I had to
use a blocksize > than amanda's default 32K. To do *that*, you'll need to
use the --with-maxtapeblocksize flag at configure time. I'm using 2M
blocks.
hmm... well, using the -b 2M flags.
length: 404488 mbytes
filemark 266 kbytes
speed 10793 kps
Should I play with this more? I'm not sure what else to do to get more speed
out of it.
It may be a symptom of amtapetype then. Try testing with tar and varying
the block size.
--
Joshua Baker-LePain
Department of Biomedical Engineering
Duke University
