[OpenAFS] tapeconfig settings for LTO-5 tape drive
John Sopko
sopko@cs.unc.edu
Fri, 31 May 2013 09:22:49 -0400
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I filed a feature request to increase the tape size. I am good with 2TB at
this time. I will wait until it gets incorporated into a new release.
Thanks anyways.
On Fri, May 31, 2013 at 8:34 AM, chas williams - CONTRACTOR <
chas@cmf.nrl.navy.mil> wrote:
> On Fri, 31 May 2013 08:09:33 -0400
> John Sopko <sopko@cs.unc.edu> wrote:
>
> > I believe the tape label command is reporting 2 TB not 2PB:
> >
> > 2147483648 <2147483648> x 1k = a 2 followed by 12 digits or Terabytes.
>
> Duh. You're right.
>
> > Anyway I did some testing to prove the limit is 2TB's and also to test
> out
> > my new LTO5 tape
> > under Red Hat 6.4 and compression is working and the performance seems
> ok.
>
> Would you be willing to try a patch to increase this to 4TB?
>
--
John W. Sopko Jr. University of North Carolina
email: sopko AT cs.unc.edu Computer Science Dept., CB 3175
Phone: 919-962-1844 Fred Brooks Building; Room 140
Fax: 919-962-1799 Chapel Hill, NC 27599-3175
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<div dir=3D"ltr">I filed a feature request to increase the tape size. I am =
good with 2TB at this time. I will wait until it gets incorporated into a n=
ew release. Thanks anyways.</div><div class=3D"gmail_extra"><br><br><div cl=
ass=3D"gmail_quote">
On Fri, May 31, 2013 at 8:34 AM, chas williams - CONTRACTOR <span dir=3D"lt=
r"><<a href=3D"mailto:chas@cmf.nrl.navy.mil" target=3D"_blank">chas@cmf.=
nrl.navy.mil</a>></span> wrote:<br><blockquote class=3D"gmail_quote" sty=
le=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class=3D"im">On Fri, 31 May 2013 08:09:33 -0400<br>
John Sopko <<a href=3D"mailto:sopko@cs.unc.edu">sopko@cs.unc.edu</a>>=
wrote:<br>
<br>
> I believe the tape label command is reporting 2 TB not 2PB:<br>
><br>
</div>> <a href=3D"tel:2147483648" value=3D"+12147483648">2147483648</a>=
<<a href=3D"tel:2147483648" value=3D"+12147483648">2147483648</a>> x=
1k =3D a 2 followed by 12 digits or Terabytes.<br>
<br>
Duh. =A0You're right.<br>
<div class=3D"im"><br>
> Anyway I did some testing to prove the limit is 2TB's and =A0also =
to test out<br>
> my new LTO5 tape<br>
> under Red Hat 6.4 and compression is working and the performance seems=
ok.<br>
<br>
</div>Would you be willing to try a patch to increase this to 4TB?<br>
</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br>John W. Sopk=
o Jr. =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0University of North Carolina<b=
r>email: sopko AT <a href=3D"http://cs.unc.edu" target=3D"_blank">cs.unc.ed=
u</a> =A0 =A0 =A0Computer Science Dept., CB 3175<br>
Phone: 919-962-1844 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0Fred Brooks Building; Ro=
om 140<br>Fax: =A0 919-962-1799 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 Chapel Hill=
, NC 27599-3175
</div>
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