Veritas-bu

[Veritas-bu] DLT Read vs. Write speeds

2002-06-03 13:30:01
Subject: [Veritas-bu] DLT Read vs. Write speeds
From: Mark.Donaldson AT experianems DOT com (Donaldson, Mark)
Date: Mon, 3 Jun 2002 11:30:01 -0600
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I've got a DLT7000 library.  It seems that read speeds are a tenth of write
speeds.  Any idea how I can increase the read speed of my tape?


  r/s  w/s   kr/s   kw/s wait actv wsvc_t asvc_t  %w  %b device
  0.0 35.6    0.0 9114.1  0.0  1.0    0.0   27.9   0  99 rmt/1
  0.0  0.0    0.0    0.0  0.0  0.0    0.0    0.0   0   0 rmt/2
  0.0 36.6    0.0 9370.1  0.0  1.0    0.0   27.1   0  99 rmt/3
  1.6  0.0  409.6    0.0  0.0  1.0    0.0  624.8   0 100 rmt/4

             ^^^^  ^^^^^
             read  write

-Mark

-----------------------------------------------------------------------
   Mark Donaldson - Sr. Systems Engineer
   Experian - Denver Colorado
-----------------------------------------------------------------------

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<P><FONT SIZE=3D2>I've got a DLT7000 library.&nbsp; It seems that read =
speeds are a tenth of write speeds.&nbsp; Any idea how I can increase =
the read speed of my tape?</FONT></P>
<BR>

<P><FONT SIZE=3D2>&nbsp; r/s&nbsp; w/s&nbsp;&nbsp; kr/s&nbsp;&nbsp; =
kw/s wait actv wsvc_t asvc_t&nbsp; %w&nbsp; %b device</FONT>
<BR><FONT SIZE=3D2>&nbsp; 0.0 35.6&nbsp;&nbsp;&nbsp; 0.0 9114.1&nbsp; =
0.0&nbsp; 1.0&nbsp;&nbsp;&nbsp; 0.0&nbsp;&nbsp; 27.9&nbsp;&nbsp; =
0&nbsp; 99 rmt/1</FONT>
<BR><FONT SIZE=3D2>&nbsp; 0.0&nbsp; 0.0&nbsp;&nbsp;&nbsp; =
0.0&nbsp;&nbsp;&nbsp; 0.0&nbsp; 0.0&nbsp; 0.0&nbsp;&nbsp;&nbsp; =
0.0&nbsp;&nbsp;&nbsp; 0.0&nbsp;&nbsp; 0&nbsp;&nbsp; 0 rmt/2</FONT>
<BR><FONT SIZE=3D2>&nbsp; 0.0 36.6&nbsp;&nbsp;&nbsp; 0.0 9370.1&nbsp; =
0.0&nbsp; 1.0&nbsp;&nbsp;&nbsp; 0.0&nbsp;&nbsp; 27.1&nbsp;&nbsp; =
0&nbsp; 99 rmt/3</FONT>
<BR><FONT SIZE=3D2>&nbsp; 1.6&nbsp; 0.0&nbsp; 409.6&nbsp;&nbsp;&nbsp; =
0.0&nbsp; 0.0&nbsp; 1.0&nbsp;&nbsp;&nbsp; 0.0&nbsp; 624.8&nbsp;&nbsp; 0 =
100 rmt/4</FONT>
</P>

<P><FONT =
SIZE=3D2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp; ^^^^&nbsp; ^^^^^</FONT>
<BR><FONT =
SIZE=3D2>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nb=
sp;&nbsp; read&nbsp; write</FONT>
</P>

<P><FONT SIZE=3D2>-Mark</FONT>
</P>

<P><FONT =
SIZE=3D2>---------------------------------------------------------------=
--------</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp; Mark Donaldson - Sr. Systems =
Engineer</FONT>
<BR><FONT SIZE=3D2>&nbsp;&nbsp; Experian - Denver Colorado</FONT>
<BR><FONT =
SIZE=3D2>---------------------------------------------------------------=
--------</FONT>
</P>

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