Veritas-bu

[Veritas-bu] duplication

2002-07-24 14:44:08
Subject: [Veritas-bu] duplication
From: Mark.Donaldson AT experianems DOT com (Donaldson, Mark)
Date: Wed, 24 Jul 2002 12:44:08 -0600
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Check your buffer settings.  This, and a demux source, made a difference for
me.

See: http://seer.support.veritas.com/docs/183702.htm
and: http://seer.support.veritas.com/docs/243197.htm

FWIW: I get much better performance on my DLT7k (ultra-diff) than your
1mb/sec rates.

-M


-----Original Message-----
From: Jeff Kennedy [mailto:jlkennedy AT amcc DOT com]
Sent: Wednesday, July 24, 2002 11:56 AM
To: NBU List
Subject: [Veritas-bu] duplication


I don't duplicate much but does it always run slow?  I am seeing an
average read/write of 1mb/sec for a duplication on dlt7k drives attached
to the master server.  The primary copy is an ndmp backup so there's no
multiplexing involved.
-- 
=====================
Jeff Kennedy
Unix Administrator
AMCC
jlkennedy AT amcc DOT com
_______________________________________________
Veritas-bu maillist  -  Veritas-bu AT mailman.eng.auburn DOT edu
http://mailman.eng.auburn.edu/mailman/listinfo/veritas-bu

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<P><FONT SIZE=3D2>Check your buffer settings.&nbsp; This, and a demux =
source, made a difference for me.</FONT>
</P>

<P><FONT SIZE=3D2>See: <A =
HREF=3D"http://seer.support.veritas.com/docs/183702.htm"; =
TARGET=3D"_blank">http://seer.support.veritas.com/docs/183702.htm</A></F=
ONT>
<BR><FONT SIZE=3D2>and: <A =
HREF=3D"http://seer.support.veritas.com/docs/243197.htm"; =
TARGET=3D"_blank">http://seer.support.veritas.com/docs/243197.htm</A></F=
ONT>
</P>

<P><FONT SIZE=3D2>FWIW: I get much better performance on my DLT7k =
(ultra-diff) than your 1mb/sec rates.</FONT>
</P>

<P><FONT SIZE=3D2>-M</FONT>
</P>
<BR>

<P><FONT SIZE=3D2>-----Original Message-----</FONT>
<BR><FONT SIZE=3D2>From: Jeff Kennedy [<A =
HREF=3D"mailto:jlkennedy AT amcc DOT com">mailto:jlkennedy AT amcc DOT 
com</A>]</FONT>=

<BR><FONT SIZE=3D2>Sent: Wednesday, July 24, 2002 11:56 AM</FONT>
<BR><FONT SIZE=3D2>To: NBU List</FONT>
<BR><FONT SIZE=3D2>Subject: [Veritas-bu] duplication</FONT>
</P>
<BR>

<P><FONT SIZE=3D2>I don't duplicate much but does it always run =
slow?&nbsp; I am seeing an</FONT>
<BR><FONT SIZE=3D2>average read/write of 1mb/sec for a duplication on =
dlt7k drives attached</FONT>
<BR><FONT SIZE=3D2>to the master server.&nbsp; The primary copy is an =
ndmp backup so there's no</FONT>
<BR><FONT SIZE=3D2>multiplexing involved.</FONT>
<BR><FONT SIZE=3D2>-- </FONT>
<BR><FONT =
SIZE=3D2>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=
</FONT>
<BR><FONT SIZE=3D2>Jeff Kennedy</FONT>
<BR><FONT SIZE=3D2>Unix Administrator</FONT>
<BR><FONT SIZE=3D2>AMCC</FONT>
<BR><FONT SIZE=3D2>jlkennedy AT amcc DOT com</FONT>
<BR><FONT =
SIZE=3D2>_______________________________________________</FONT>
<BR><FONT SIZE=3D2>Veritas-bu maillist&nbsp; -&nbsp; =
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>
</P>

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