I'm trying to time the speeds of my LTO-4 drives, and I am following the
"Performance Tuning Guide". And I figured, let's time the backup of a 50G
file. I have large databases, some 3-6 times that large.
So I created a file - d:\temp\bigasm-50G-directive.nsr - with this line:
bigasm -S50G : d:\temp\bigasm-test-50G.file
I also create a zero byte file, d:\temp\bigasm-test-50G.file.
Then, I do:
save -s admnman004 -f d:\temp\bigasm-50G-directive.nsr
d:\temp\bigasm-test-50G.file
and it seems to do ... nothing. It completes in a couple seconds. No way
it streamed 50G in 3 seconds ... the server log shows it wrotte all of 6K
to the drives. it looks for all the world like the "bigasm" directive was
ignored completely; it didn't stream anything to the tape drive at all,
apparently.
What am I missing?
--
Michael Leone
Network Administrator, ISM
Philadelphia Housing Authority
2500 Jackson St
Philadelphia, PA 19145
Tel: 215-684-4180
Cell: 215-252-0143
<mailto:michael.leone AT pha.phila DOT gov>
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