Native drive speed of the T10K is 120 MB/s ... it is even closer to
130 MB/s..; so If you are using compression and you feed the data fast
enough you can go over the 170 MB/s.. I had peaks over the 180 MB/s



On 9/13/07, Justin Piszcz <jpiszcz AT lucidpixels DOT com> wrote:
>
>
> On Thu, 13 Sep 2007, Schaefer, Harry wrote:
>
> > FWIW, I have done write tests with ours and based on output from iostat
> > -xtc, the write speeds were between 100-105 mb/sec...
> >
> > Harry
>
> But that is just the read speed of the hard drives yeah?  If the data
> stream is compressed 2:1 the tape only writes then at 50-52.5 MiB/s.
>
> I recall watching catalog backups write to tape and I would see the disk
> reading at 100-120 MiB/s, was the LTO-2 tape that is was backing the
> catalog up to writing that fast?  No, compression was being used.
>
> Justin.
>
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Gregory DEMILDE
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