[CentOS] Tape drive throughput

Fri Jun 9 22:56:18 UTC 2006
Rodrigo Barbosa <rodrigob at darkover.org>

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

On Fri, Jun 09, 2006 at 05:38:30PM -0500, Steve wrote:
> >>But I would be *very* interested to know how you could calculate the 
> >>total throughput of a random drive if you *did* know the fixed block size.
> >
> >Knowing the blocksize used, I would just tell him to use "mt setblk"
> >to the same block size, then use "dump" to dump a random ammount
> >of that to the tape. Dump will provide you with the throughtput rate
> >you want.
> >
> >If you don't know the blocksize, or if you are using variable (0),
> >you really can't measure it outside the specific application you 
> >are using to write the data to the tape.
> >
> Seems like it would be easier to just run it through something like 
> buffer, mbuffer, or dbuffer and have one of those report the value 
> second by second, in kilobytes per second.

Should work too, but is it possible to do with the application he is
using ?

Actually, what IS the application he is using ?

- -- 
Rodrigo Barbosa
"Quid quid Latine dictum sit, altum viditur"
"Be excellent to each other ..." - Bill & Ted (Wyld Stallyns)

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.1 (GNU/Linux)

iD8DBQFEifySpdyWzQ5b5ckRApWkAKCsUL5A1+WBsBpRVKr+ebSU55dbsQCggPKu
3WY8b6g0ERqwlvkupHdxfKg=
=gCxu
-----END PGP SIGNATURE-----