[CentOS] Tape drive throughput

Fri Jun 9 20:35:15 UTC 2006
Rodrigo Barbosa <rodrigob at darkover.org>

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On Fri, Jun 09, 2006 at 04:15:38PM -0400, Bowie Bailey wrote:
> Rodrigo Barbosa wrote:
> > On Fri, Jun 09, 2006 at 03:56:36PM -0400, Bowie Bailey wrote:
> > > I have a backup spooling onto a DLT drive.  Is there any tool that
> > > will let me monitor the data throughput on the device?
> > 
> > Throughput on a tape drive is very variable, depending on how you are
> > writing/reading the data to it.
> > 
> > So for some meaningful numbers, you would need your backup solution
> > to provide them.
> 
> I'm just looking for raw bps flowing to the device.  I don't really
> care about compression and such at the moment, I just want a rough
> idea of what the drive is doing.

There is no such thing. You "raw bps" will vary greatly depending on
your blocksize and other factors.

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

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