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The response Paul made was almost identiucal to what I said a while back=
:-)
=0D
=0D
Simon Weaver
Technical Support
Windows Domain Administrator=0D
EADS Astrium
Tel: 02392-708598=0D
Email: Simon.Weaver AT Astrium.eads DOT net=0D
-----Original Message-----
From: Jim McD [mailto:jim222mcd AT gmail DOT com]=0D
Sent: 28 March 2006 12:11
To: Paul Keating
Cc: Veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] LTO3 Tape Drives and LTO2 media - no improvement
Hi=0D
That's exactly what we did - the same hcart type. Similarey when we get
LTO3 media then we will differentiate. Early day(s).
Cheers Jim=0D
On 3/28/06, Paul Keating <pkeating AT bank-banque-canada DOT ca
<mailto:pkeating AT bank-banque-canada DOT ca> > wrote:=0D
Yes, Jim, that has been my experience.
=0D
We put our new LTO3 drives in the same robot as our existing LTO3 drives,
and all media is LTO2, all drives and media are configured as "HCART2"
=0D
If they are not configured the same, (ie, you configure HCART2=3DLTO2 and
HCART3=3DLTO3) NBU will not put an LTO2 tape in an LTO3 drive.
=0D
the idea is to maintina backward compatibility....the LTO3 drive writes to
the LTO2 tape as if it were an LTO2 drive, so that if the tape is later
inserted into an LTO2 drive it will continue to be able to be read from and
written to.
=0D
once you add LTO3 tapes, you then need to change the config of the LTO3
drives to type "HCART3" and make sure all LTO3 tapes inserted into the
library are configured the same, otherwise you will end up with all sorts=
of
problems when NBU puts a LTO3 tape in an LTO2 drive.
=0D
Paul
=0D
=0D
-----Original Message-----
From: veritas-bu-admin AT mailman.eng.auburn DOT edu
<mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu>
[mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu
<mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu> ] On Behalf Of Jim McD
Sent: March 26, 2006 7:19 AM
To: Veritas-bu AT mailman.eng.auburn DOT edu
<mailto:Veritas-bu AT mailman.eng.auburn DOT edu>=0D
Subject: [Veritas-bu] LTO3 Tape Drives and LTO2 media - no improvement
Hi
Is this correct ?
=0D
My understanding is when LTO-2 tapes are put into a LTO3 tape drive the=
tape
drive takes on all the attributes of an LTO2 tape drive hence transfer
rates, density, etc are identical to an LTO2 tape drive. Hence in a=
library
you can have mixed LTO-3 & LTO2 tape drives and if all the media is LTO2
media then you will see no difference. Only when you start using LTO3
media then things will get better for both backup and recovery. =0D
Apparently LTO-3 tapes have a smart-card type of chip in them.=0D
Regards Jim=0D
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
=3D
=3D=3D=3D=3D=3D=3D=3D=3D
La version fran=E7aise suit le texte anglais.
---------------------------------------------------------------------------=
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The views of the author may not necessarily constitute the views of EADS=
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Nothing in this email shall bind EADS Astrium Limited in any contract or=
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<DIV><SPAN class=599041712-28032006><FONT face=Arial color=#0000ff size=2>The
response Paul made was almost identiucal to what I said a while back
:-)</FONT></SPAN></DIV>
<DIV> </DIV>
<DIV> </DIV><!-- Converted from text/rtf format -->
<P><SPAN lang=en-gb><B><FONT face=Arial color=#0000ff size=2>Simon
Weaver</FONT></B><FONT face=Arial><BR></FONT><B><FONT face=Arial color=#0000ff
size=2>Technical Support</FONT></B><FONT face=Arial><BR></FONT><B><FONT
face=Arial color=#0000ff size=2>Windows Domain Administrator</FONT></B><FONT
face=Arial> </FONT></SPAN></P>
<P><SPAN lang=en-gb><B><I><FONT face=Arial size=2>EADS
Astrium</FONT></I></B><I></I><FONT face=Arial><BR></FONT><B></B><B><I><FONT
face=Arial size=2>Tel: 02392-70</FONT><FONT face=Arial
size=2>8598</FONT></I></B><I></I><FONT face=Arial> </FONT></SPAN></P>
<P><SPAN lang=en-gb><B><FONT face=Arial color=#ff0000 size=2>Email:
Simon.Weaver AT Astrium.eads DOT net</FONT></B><FONT face=Arial>
</FONT></SPAN></P>
<BLOCKQUOTE style="MARGIN-RIGHT: 0px">
<DIV></DIV>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left><FONT
face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> Jim McD
[mailto:jim222mcd AT gmail DOT com] <BR><B>Sent:</B> 28 March 2006
12:11<BR><B>To:</B> Paul Keating<BR><B>Cc:</B>
Veritas-bu AT mailman.eng.auburn DOT edu<BR><B>Subject:</B> Re: [Veritas-bu]
LTO3
Tape Drives and LTO2 media - no improvement<BR><BR></FONT></DIV>Hi
<BR><BR>That's exactly what we did - the same hcart type.
Similarey when we get LTO3 media then we will differentiate. Early
day(s).<BR><BR>Cheers Jim <BR><BR><BR>
<DIV><SPAN class=gmail_quote>On 3/28/06, <B class=gmail_sendername>Paul
Keating</B> <<A
href="mailto:pkeating AT bank-banque-canada DOT ca">pkeating AT
bank-banque-canada DOT ca</A>>
wrote:</SPAN>
<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT:
rgb(204,204,204) 1px solid">
<DIV style="DIRECTION: ltr">
<DIV><SPAN><FONT face=Arial color=#800000 size=2>Yes, Jim, that has been my
experience.</FONT></SPAN></DIV>
<DIV><SPAN><FONT face=Arial color=#800000 size=2></FONT></SPAN> </DIV>
<DIV><SPAN><FONT face=Arial color=#800000 size=2>We put our new LTO3 drives
in the same robot as our existing LTO3 drives, and all media is LTO2, all
drives and media are configured as "HCART2"</FONT></SPAN></DIV>
<DIV><SPAN><FONT face=Arial color=#800000 size=2></FONT></SPAN> </DIV>
<DIV><SPAN><FONT face=Arial color=#800000 size=2>If they are not configured
the same, (ie, you configure HCART2=LTO2 and HCART3=LTO3) NBU will not put
an LTO2 tape in an LTO3 drive.</FONT></SPAN></DIV>
<DIV><SPAN><FONT face=Arial color=#800000 size=2></FONT></SPAN> </DIV>
<DIV><SPAN><FONT face=Arial color=#800000 size=2>the idea is to maintina
backward compatibility....the LTO3 drive writes to the LTO2 tape as if
it were an LTO2 drive, so that if the tape is later inserted into an LTO2
drive it will continue to be able to be read from and written
to.</FONT></SPAN></DIV>
<DIV><SPAN><FONT face=Arial color=#800000 size=2></FONT></SPAN> </DIV>
<DIV><SPAN><FONT face=Arial color=#800000 size=2>once you add LTO3 tapes,
you then need to change the config of the LTO3 drives to type "HCART3" and
make sure all LTO3 tapes inserted into the library are configured the same,
otherwise you will end up with all sorts of problems when NBU puts a LTO3
tape in an LTO2 drive.</FONT></SPAN></DIV></DIV>
<DIV style="DIRECTION: ltr"><SPAN class=sg>
<DIV><SPAN><FONT face=Arial color=#800000 size=2></FONT></SPAN> </DIV>
<DIV><SPAN><FONT face=Arial color=#800000
size=2>Paul</FONT></SPAN></DIV></SPAN></DIV>
<DIV style="DIRECTION: ltr"><SPAN class=e id=q_10a3be71b4133b85_2>
<DIV><SPAN><FONT face=Arial color=#800000 size=2></FONT></SPAN> </DIV>
<DIV><SPAN><FONT face=Arial color=#800000 size=2></FONT></SPAN> </DIV>
<BLOCKQUOTE
style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(128,0,0) 2px
solid; MARGIN-RIGHT: 0px">
<DIV></DIV>
<DIV lang=en-us dir=ltr align=left><FONT face=Tahoma size=2>-----Original
Message-----<BR><B>From:</B> <A
onclick="return top.js.OpenExtLink(window,event,this)"
href="mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu"
target=_blank>veritas-bu-admin AT mailman.eng.auburn DOT edu</A>
[mailto:<A
onclick="return top.js.OpenExtLink(window,event,this)"
href="mailto:veritas-bu-admin AT mailman.eng.auburn DOT edu"
target=_blank>veritas-bu-admin AT mailman.eng.auburn DOT edu</A>] <B>On
Behalf Of
</B>Jim McD<BR><B>Sent:</B> March 26, 2006 7:19 AM<BR><B>To:</B> <A
onclick="return top.js.OpenExtLink(window,event,this)"
href="mailto:Veritas-bu AT mailman.eng.auburn DOT edu"
target=_blank>Veritas-bu AT mailman.eng.auburn DOT
edu</A><BR><B>Subject:</B>
[Veritas-bu] LTO3 Tape Drives and LTO2 media - no
improvement<BR><BR></FONT></DIV>Hi<BR><BR>Is this correct
?<BR> <BR>My understanding is when LTO-2 tapes are put into a LTO3
tape drive the tape drive takes on all the attributes of an LTO2 tape
drive hence transfer rates, density, etc are identical to an LTO2 tape
drive. Hence in a library you can have mixed LTO-3 & LTO2 tape
drives and if all the media is LTO2 media then you will see no
difference.
Only when you start using LTO3 media then things will get better
for both backup and recovery. <BR><BR>Apparently LTO-3 tapes have a
smart-card type of chip in them. <BR><BR>Regards Jim
<BR></BLOCKQUOTE></SPAN></DIV><BR>====================================================================================<BR><BR>La
version française suit le texte
anglais.<BR><BR>------------------------------------------------------------------------------------
<BR><BR>This email may contain privileged and/or confidential information,
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<table><tr><td bgcolor=#ffffff><font color=#000000>This email is for the
intended addressee only.<br>
If you have received it in error then you must not use, retain, disseminate or
otherwise deal with it.<br>
Please notify the sender by return email.<br>
The views of the author may not necessarily constitute the views of EADS
Astrium Limited.<br>
Nothing in this email shall bind EADS Astrium Limited in any contract or
obligation.<br>
<br>
EADS Astrium Limited, Registered in England and Wales No. 2449259<br>
Registered Office: Gunnels Wood Road, Stevenage, Hertfordshire, SG1 2AS,
England<br>
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