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As long as you do not care which tapes are used and the gen 1 drives are
gone then no.
_____________________________________________
From: veritas-bu-admin AT mailman.eng.auburn DOT edu@AICI On Behalf Of Dan
Shauver
<dshauver AT laurustech DOT com>
Sent: Thursday, October 07, 2004 10:31 AM
To: Veritas-bu AT mailman.eng.auburn DOT edu
Subject: Re: [Veritas-bu] RE: LTO-2 Recoveries
Are there any drawbacks to setting all LTO-2 drives to type hcart in
this sort of environment? Assuming, of course, that all LTO-1 drives
have been removed from the environment, and the intent is to continue to
use the older media for backups as well as restores? My understanding
of the Media Manager stuff is that the hcart, hcart2, and hcart3
designations are solely for differentiating between drives types, and
don't have any real effect on how the media is used.
Dan Shauver
System Engineer
Laurus Technologies
Marx, Keath wrote:
> You have to either use vmchange to change the media type from hcart to
> hcart2 for the tapes you wish to restore or modify the media type of
> one of the LTO-2 tape drives to hcart for the restore. I recommend
> the vmchange approach. I had a similar upgrade recently. I would
> keep any Gen1 media out of the new unit unless you want to write to it
> during your backups (except when you are restoring of course)
>
> _____________________________________________
> *From:* veritas-bu-admin AT mailman.eng.auburn DOT edu@AICI* On Behalf Of*
> ChrisCosta AT tdwaterhouse DOT com
> *Sent:* Wednesday, October 06, 2004 1:55 PM
> *To:* Veritas-bu AT mailman.eng.auburn DOT edu
> *Subject:* [Veritas-bu] RE: LTO-2 Recoveries
>
> [IMAGE]
>
> I am introducing new LTO-2 tape drives, which are replacing LTO-1
> drives, needless to say that all of my current data is written on
> LTO-1 media
>
>
>
> I have a new storage node with LTO-2 (hcart2) drives configured and
> when I attempt to perform a recovery from the LTO-1 media (hcart) I
> get errors. The error message states that the "Requested number of
> drives are not configured".
>
>
>
> Are there any settings that I need to put in place in order for the
> LTO-2 drives to recover LTO-1 media?
>
>
>
> Thanks
>
_______________________________________________
Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
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<BODY>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000080" SIZE=3D2 FACE=3D"Arial">As long a=
s you do not care which tapes are used and the gen 1 drives are gone then=
no.</FONT></P>
<P ALIGN=3DLEFT><FONT SIZE=3D2 FACE=3D"Tahoma">__________________________=
___________________<BR>
</FONT><B></B><B><FONT SIZE=3D2 FACE=3D"Tahoma">From:</FONT></B><FONT SIZ=
E=3D2 FACE=3D"Tahoma"> veritas-bu-admin AT mailman.eng.auburn DOT
edu@AICI</FONT=
><B></B><B> <FONT SIZE=3D2 FACE=3D"Tahoma">On Behalf Of</FONT></B> <FONT =
SIZE=3D2 FACE=3D"Tahoma">Dan Shauver <dshauver AT laurustech DOT com><BR>
</FONT><B></B><B><FONT SIZE=3D2 FACE=3D"Tahoma">Sent:</FONT></B><FONT SIZ=
E=3D2 FACE=3D"Tahoma"> Thursday, October 07, 2004 10:31 AM<BR>
</FONT><B></B><B><FONT SIZE=3D2 FACE=3D"Tahoma">To:</FONT></B><FONT SIZE=3D=
2 FACE=3D"Tahoma"> Veritas-bu AT mailman.eng.auburn DOT edu<BR>
</FONT><B></B><B><FONT SIZE=3D2 FACE=3D"Tahoma">Subject:</FONT></B><FONT =
SIZE=3D2 FACE=3D"Tahoma"> Re: [Veritas-bu] RE: LTO-2 Recoveries</FONT></P=
>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">Are the=
re any drawbacks to setting all LTO-2 drives to type hcart in</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">this so=
rt of environment? Assuming, of course, that all LTO-1 drives</FONT=
></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">have be=
en removed from the environment, and the intent is to continue to</FONT><=
/P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">use the=
older media for backups as well as restores? My understanding</FON=
T></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">of the =
Media Manager stuff is that the hcart, hcart2, and hcart3</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">designa=
tions are solely for differentiating between drives types, and</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">don't h=
ave any real effect on how the media is used.</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">Dan Sha=
uver</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">System =
Engineer</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">Laurus =
Technologies</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">Marx, K=
eath wrote:</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> Yo=
u have to either use vmchange to change the media type from hcart to</FON=
T></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> hc=
art2 for the tapes you wish to restore or modify the media type of</FONT>=
</P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> on=
e of the LTO-2 tape drives to hcart for the restore. I recommend</F=
ONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> th=
e vmchange approach. I had a similar upgrade recently. I woul=
d</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> ke=
ep any Gen1 media out of the new unit unless you want to write to it</FON=
T></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> du=
ring your backups (except when you are restoring of course)</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">></F=
ONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> __=
___________________________________________</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> *F=
rom:* veritas-bu-admin AT mailman.eng.auburn DOT edu@AICI* On Behalf
Of*</FONT><=
/P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> Ch=
risCosta AT tdwaterhouse DOT com</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> *S=
ent:* Wednesday, October 06, 2004 1:55 PM</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> *T=
o:* Veritas-bu AT mailman.eng.auburn DOT edu</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> *S=
ubject:* [Veritas-bu] RE: LTO-2 Recoveries</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">></F=
ONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> [I=
MAGE]</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">></F=
ONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> I =
am introducing new LTO-2 tape drives, which are replacing LTO-1</FONT></P=
>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> dr=
ives, needless to say that all of my current data is written on</FONT></P=
>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> LT=
O-1 media</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">></F=
ONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">></F=
ONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">></F=
ONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> I =
have a new storage node with LTO-2 (hcart2) drives configured and</FONT><=
/P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> wh=
en I attempt to perform a recovery from the LTO-1 media (hcart) I</FONT><=
/P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> ge=
t errors. The error message states that the "Requested number of</FO=
NT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> dr=
ives are not configured".</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">></F=
ONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">></F=
ONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">></F=
ONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> Ar=
e there any settings that I need to put in place in order for the</FONT><=
/P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> LT=
O-2 drives to recover LTO-1 media?</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">></F=
ONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">></F=
ONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">></F=
ONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">> Th=
anks</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">></F=
ONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">_______=
________________________________________</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier">Veritas=
-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu</FONT></P>
<P ALIGN=3DLEFT><FONT COLOR=3D"#000000" SIZE=3D2 FACE=3D"Courier"><A HREF=
=3D"http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu"; TARGET=3D"=
_blank">http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu</A></FO=
NT></P>
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