[Veritas-bu] Media Write Errors, Exit Status 84

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I'd like to get some feed back as to everyone's experience concerning
Media write errors. I have 4 sites that are almost identical, Compaq
servers, Compaq HBA's, STK L700's and SDLT320 drives. The only
difference between these sites would be number of processors in the
server, amount of memory in the server and the number of SDLT drives.
One site in particular has racked up over 182 frozen tapes since I
implemented the backup solution which is only 22 months old.=20

=20

First question, does 182 frozen media in only 22 months seem to be a
high rate? Media is always brand new and either Fuji or Quantum.

=20

STK has been working with us to try to resolve this issue and actually
gave us 120 brand new tapes last week. We pulled out all of our existing
tapes and loaded up the 120 new ones. Over the weekend we had 3 CRC's
media write errors. The percentage seems kind of high.=20

=20

I'm running NetBackup 4.5 at the MP6 level.=20

=20

Is this a normal level for CRC's with SDLT?=20

=20

Is it the technology?=20

=20

Anyone else out there having similar issues?=20

=20

We are actually at the point of considering changing technology to LTO
drives and media. We have another small site due for replacement and so
far that seems to be the road we are taking because of the SDLT CRC
issue.=20

=20

Many thanks
=20
=20
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<div class=3DSection1>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>I&#8217;d like to get some feed back as to =
everyone&#8217;s experience
concerning Media write errors. I have 4 sites that are almost identical, =
Compaq
servers, Compaq HBA&#8217;s, STK L700&#8217;s and SDLT320 drives. The =
only
difference between these sites would be number of processors in the =
server,
amount of memory in the server and the number of SDLT drives. One site =
in
particular has racked up over 182 frozen tapes since I implemented the =
backup
solution which is only 22 months old. </span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>First question, does 182 frozen media in only 22 =
months seem
to be a high rate? Media is always brand new and either Fuji or =
Quantum.</span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>STK has been working with us to try to resolve this =
issue
and actually gave us 120 brand new tapes last week. We pulled out all of =
our
existing tapes and loaded up the 120 new ones. Over the weekend we had 3 =
CRC&#8217;s
media write errors. The percentage seems kind of high. =
</span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>I&#8217;m running NetBackup 4.5 at the MP6 level. =
</span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Is this a normal level for CRC&#8217;s with SDLT? =
</span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Is it the technology? </span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Anyone else out there having similar issues? =
</span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>We are actually at the point of considering changing =
technology
to LTO drives and media. We have another small site due for replacement =
and so
far that seems to be the road we are taking because of the SDLT CRC =
issue. </span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>&nbsp;</span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Many thanks &nbsp;</span></font></p>

</div>

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