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

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I seeing this now on 1 of 5 media servers.  It's constantly giving me 84 
and 86 errors for every backup stream.
I checked the driver version numbers, and they all match the other media 
servers (SSO).  I'm running on Tru65
5.1b, an had been running fine for over a year before this started last 
week.

Any thought on how to fix this?

--
Dan

Eric Ljungblad wrote:

> -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> I ran in to this issue after upgrading windows 2000 Master server to 
> 2000 Server Service Pack 6, this some how changed the device drivers 
> for the drives,
>
> With the wrong drivers we were constantly getting Media write and read 
> errors, along with Frozen tapes - I was over cleaning drives and having a
>
> Hard time just getting backups to complete even with ten attempts -  
> Until -
>
>  
>
> After installing the correct Veritas Drivers from the Veritas Install 
> CD, under additional products, additional products installation, 
> Netbackup tape device drivers -
>
> It seemed to help out.  Believe it or not Veritas support never 
> mentioned that when I was constantly getting media write errors or 
> read errors and frozen tapes.
>
> Installing the drivers is simple,  just follow the options then reboot 
> the server.  This can help with all kinds of errors.
>
>  
>
> Also Very important - The Firmware on the drives is very important,  
> it should be on the Veritas HCL for those drives.  Once the correct 
> firmware is installed
>
> You would be amazed at the improvement from tape read and write errors 
> and cleaning messages that used to appear and after upgrading the 
> firmware helps
>
> Get rid of these messages,  Also, you should really be careful about 
> over cleaning the drives, it harms the heads,  specially if the errors 
> are just Driver and Firmware
>
> Related.
>
>  
>
> Once you have the correct drivers installed, this should clear up a 
> lot of the error messages,  But the critical issue is having the 
> correct firmware on the drives,
>
> That can be seen from using the DLTSAGE from Quantum.
>
>  
>
> http://support.veritas.com/dsl/lists/nbu_device_ddProduct_NETBACKUPDC_prod1_NBUDC45_vendor_STK.htm
>  
>  
>
>  
>
> Use this to find out the firmware tested - and the DLTsage or STK 
> support to ensure that the correct Firmware is loaded on the drives. -
>
> The correct firmware for drives causes backups to run smooth and free 
> of unnecessary errors - that result in over cleaning drives.
>
>  
>
> http://support.veritas.com/menu_ddProduct_NETBACKUPDC.htm
>


-- 
-------------------------------------
Dan Logcher  W91-219C ASST UNIX Admin
Massachusetts Institute of Technology
dlogcher AT mit DOT edu         617-324-5800
-------------------------------------


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I seeing this now on 1 of 5 media servers.&nbsp; It's constantly giving me
84 and 86 errors for every backup stream.<br>
I checked the driver version numbers, and they all match the other
media servers (SSO).&nbsp; I'm running on Tru65<br>
5.1b, an had been running fine for over a year before this started last
week.<br>
<br>
Any thought on how to fix this?<br>
<br>
--<br>
Dan<br>
<br>
Eric Ljungblad wrote:<br>
<blockquote
 cite="mid134CCB6CFC88DE4587B7FD677934F1BA03D15C1F AT ljexchange.copleypress 
DOT com"
 type="cite">
  <div class="Section1">
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: 
navy;">-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: navy;">I ran in to
this issue
after upgrading windows 2000 Master server to 2000 Server Service Pack
6, this
some how changed the device drivers for the drives,</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: navy;">With the
wrong drivers we
were constantly getting Media write and read errors, along with Frozen
tapes
- I was over cleaning drives and having a </span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: navy;">Hard time
just getting
backups to complete even with ten attempts -&nbsp; Until -</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: 
navy;">&nbsp;</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="red"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: red;">After
installing the
correct Veritas Drivers from the Veritas Install CD, under additional
products,
additional products installation, Netbackup tape device drivers 
-</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: navy;">It seemed to
help
out.&nbsp; Believe it or not Veritas support never mentioned that when I was
constantly getting media write errors or read errors and frozen 
tapes.</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: navy;">Installing
the drivers is
simple, &nbsp;just follow the options then reboot the server.&nbsp; This can
help with all kinds of errors.</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: 
navy;">&nbsp;</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: navy;">Also Very
important
- The Firmware on the drives is very important,&nbsp; it should be on the
Veritas HCL for those drives.&nbsp; Once the correct firmware is installed 
</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: navy;">You would be
amazed at
the improvement from tape read and write errors and cleaning messages
that used
to appear and after upgrading the firmware helps</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: navy;">Get rid of
these
messages,&nbsp; Also, you should really be careful about over cleaning the
drives, it harms the heads,&nbsp; specially if the errors are just Driver
and
Firmware</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: 
navy;">Related.</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: 
navy;">&nbsp;</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: navy;">Once you
have the correct
drivers installed, this should clear up a lot of the error messages,&nbsp;
But
the critical issue is having the correct firmware on the 
drives,</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: navy;">That can be
seen from using
the DLTSAGE from Quantum.</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: 
navy;">&nbsp;</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="maroon"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: maroon;"><a
 
href="http://support.veritas.com/dsl/lists/nbu_device_ddProduct_NETBACKUPDC_prod1_NBUDC45_vendor_STK.htm";><font
 color="maroon"><span style="color: 
maroon;">http://support.veritas.com/dsl/lists/nbu_device_ddProduct_NETBACKUPDC_prod1_NBUDC45_vendor_STK.htm</span></font></a>
&nbsp;</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: 
navy;">&nbsp;</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: navy;">Use this to
find out the
firmware tested - and the DLTsage or STK support to ensure that the
correct Firmware is loaded on the drives. -</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: navy;">The correct
firmware for
drives causes backups to run smooth and free of unnecessary errors -
that
result in over cleaning drives.</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="navy"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: 
navy;">&nbsp;</span></font></p>
  <p class="MsoNormal" style="margin-left: 0.5in;"><font color="maroon"
 face="Arial" size="2"><span
 style="font-size: 10pt; font-family: Arial; color: maroon;"><a
 href="http://support.veritas.com/menu_ddProduct_NETBACKUPDC.htm";><font
 color="maroon"><span style="color: 
maroon;">http://support.veritas.com/menu_ddProduct_NETBACKUPDC.htm</span></font></a></span></font></p>
  </div>
</blockquote>
<br>
<br>
<pre class="moz-signature" cols="100">-- 
-------------------------------------
Dan Logcher  W91-219C ASST UNIX Admin
Massachusetts Institute of Technology
<a class="moz-txt-link-abbreviated" href="mailto:dlogcher AT mit DOT 
edu">dlogcher AT mit DOT edu</a>         617-324-5800
-------------------------------------</pre>
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