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Well the first item is easy. Backups are limited to using drives defined in
a storage unit, while restores are not. So setup your system so that the
sum of the drive counts in all your storage units is one less than the total
number of drives you have available. This will leave one drive unused for
backups. Since a restore request is not limited to using storage units, if
all the backup drives are busy, the restore will use the remaining drive.
On the second item, I would say that you'll need to manually cancel the
running scheduled job or temporarily disable it prior to running the
restore. Other folks on the list may have better ideas.
Steve
-----Original Message-----
=46rom: Oliver.Schade AT colt DOT de [mailto:Oliver.Schade AT colt DOT de]
Sent: Tuesday, May 21, 2002 12:32 AM
To: veritas-bu AT mailman.eng.auburn DOT edu
Subject: [Veritas-bu] [NBU 3.4] Reserve a drive for restores / Parallel
jobs
Hi everbody,
I am using NBU 3.4 with some DLT-drives and would like to:
a) always reserve a drive for restores
e.g. backups should be done to (n-1) drives and the
first and all following restores will be done by the
n.th drive.
I did not found a way to configure restores to a higher
priority than normal jobs or even an automatic break
of one or more jobs to free a drive for a restore-
operation.
b) cancel a (schedulded) backup while restoring to a client
While running a restore job to the client a scheduled
backup job may be started. Both jobs will slow down=20
by hours and therefore I would like to cancel a schedulded
backup when running a restore...
Thanks for your help,
Bye, Oliver
P.S. Please do not send HTML-mails! Thanks.
--=20
Oliver Schade <Oliver.Schade AT colt DOT de>
System Engineer ISC Berlin http://www.colt.de/
COLT TELECOM GmbH Phone: +49 (0)30/88442-6251
Wiebestra=DFe 46 Fax: +49 (0)30/88442-6209
10553 Berlin Mobil: +49 (0)173/619 3232
=20
_______________________________________________
Veritas-bu maillist - Veritas-bu AT mailman.eng.auburn DOT edu
http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu
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<TITLE>RE: [Veritas-bu] [NBU 3.4] Reserve a drive for restores / Parallel =
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<P><FONT SIZE=3D2>Well the first item is easy. Backups are limited to=
=
using drives defined in a storage unit, while restores are not. So =
setup your system so that the sum of the drive counts in all your storage =
units is one less than the total number of drives you have available. =
=
This will leave one drive unused for backups. Since a restore request=
=
is not limited to using storage units, if all the backup drives are busy, =
the restore will use the remaining drive.</FONT></P>
<P><FONT SIZE=3D2>On the second item, I would say that you'll need to =
manually cancel the running scheduled job or temporarily disable it prior t=
o=
running the restore. Other folks on the list may have better =
ideas.</FONT></P>
<P><FONT SIZE=3D2>Steve</FONT>
</P>
<P><FONT SIZE=3D2>-----Original Message-----</FONT>
<BR><FONT SIZE=3D2>From: Oliver.Schade AT colt DOT de [<A =
HREF=3D"mailto:Oliver.Schade AT colt DOT de">mailto:Oliver.Schade AT colt DOT
de</A>]</FO=
NT>
<BR><FONT SIZE=3D2>Sent: Tuesday, May 21, 2002 12:32 AM</FONT>
<BR><FONT SIZE=3D2>To: veritas-bu AT mailman.eng.auburn DOT edu</FONT>
<BR><FONT SIZE=3D2>Subject: [Veritas-bu] [NBU 3.4] Reserve a drive for =
restores / Parallel</FONT>
<BR><FONT SIZE=3D2>jobs</FONT>
</P>
<BR>
<P><FONT SIZE=3D2>Hi everbody,</FONT>
</P>
<BR>
<P><FONT SIZE=3D2>I am using NBU 3.4 with some DLT-drives and would like =
to:</FONT>
</P>
<P><FONT SIZE=3D2> a) always reserve a drive for restores</FONT>
</P>
<P><FONT SIZE=3D2> e.g. backups should be done to (n-1) =
drives and the</FONT>
<BR><FONT SIZE=3D2> first and all following restores will=
=
be done by the</FONT>
<BR><FONT SIZE=3D2> n.th drive.</FONT>
</P>
<P><FONT SIZE=3D2> I did not found a way to configure =
restores to a higher</FONT>
<BR><FONT SIZE=3D2> priority than normal jobs or even an =
automatic break</FONT>
<BR><FONT SIZE=3D2> of one or more jobs to free a drive =
=66or a restore-</FONT>
<BR><FONT SIZE=3D2> operation.</FONT>
</P>
<P><FONT SIZE=3D2> b) cancel a (schedulded) backup while restoring to =
a=
client</FONT>
</P>
<P><FONT SIZE=3D2> While running a restore job to the =
client a scheduled</FONT>
<BR><FONT SIZE=3D2> backup job may be started. Both jobs =
will slow down </FONT>
<BR><FONT SIZE=3D2> by hours and therefore I would like t=
o=
cancel a schedulded</FONT>
<BR><FONT SIZE=3D2> backup when running a =
restore...</FONT>
</P>
<P><FONT SIZE=3D2>Thanks for your help,</FONT>
</P>
<P><FONT SIZE=3D2>Bye, Oliver</FONT>
</P>
<P><FONT SIZE=3D2>P.S. Please do not send HTML-mails! Thanks.</FONT>
<BR><FONT SIZE=3D2>-- </FONT>
<BR><FONT SIZE=3D2>Oliver =
Schade &nb=
sp; =
<Oliver.Schade AT colt DOT de></FONT>
<BR><FONT SIZE=3D2>System Engineer ISC Berlin =
=
<A HREF=3D"http://www.colt.de/"; =
TARGET=3D"_blank">http://www.colt.de/</A></FONT>
<BR><FONT SIZE=3D2>COLT TELECOM =
GmbH  =
; =
Phone: +49 (0)30/88442-6251</FONT>
<BR><FONT SIZE=3D2>Wiebestra=DFe =
46 &=
nbsp; =
Fax: +49 (0)30/88442-6209</FONT>
<BR><FONT SIZE=3D2>10553 =
Berlin &nb=
sp; =
Mobil: +49 (0)173/619 3232</FONT>
<BR><FONT SIZE=3D2> </FONT>
<BR><FONT SIZE=3D2>_______________________________________________</FONT>
<BR><FONT SIZE=3D2>Veritas-bu maillist - =
Veritas-bu AT mailman.eng.auburn DOT edu</FONT>
<BR><FONT SIZE=3D2><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></FONT>
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