Veritas-bu

[Veritas-bu] Error 52.

2004-05-24 06:16:17
Subject: [Veritas-bu] Error 52.
From: JohanR AT stortech.co DOT za (Johan Redelinghuys)
Date: Mon, 24 May 2004 12:16:17 +0200
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Hi=20

=20

Robot: ADIC Scalar 1000

Drives: LTO1

Netbackup: 4.5_MP5

=20

Our client has the following problem:

=20

1.      Netbackup gets a request to mount a tape e.g. 001211
2.      The robot mounts the tape and then the drive gets and error 6
while in the process of managing the tape. Tape is now sitting (stuck)
on the drive.
3.      Netbackup in the mean time waits for the mount and eventually
fail with error 52. (Media timeout set to 15 min).=20
4.      Other backups for the same media server start to fail and queue
with the same error 52, as the other backups on this server request the
same tape.

=20

Question:

=20

1.      Is there a way to force Netbackup to start requesting another
tape if it cannot mount a given tape?
2.      Is there a way one can get the tape drive to send a response to
Netbackup that there is a problem with it, so that Netbackup can
continue to do what it is suppose to do on other tapes and or drives?

=20

What other practices have people implemented when encountering this type
of problem?

=20

JR Redelinghuys. =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'>Hi </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'>Robot: ADIC Scalar 1000</span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Drives: LTO1</span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Netbackup: 4.5_MP5</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'>Our client has the following =
problem:</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>

<ol start=3D1 type=3D1>
 <li class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
     font-family:Arial'>Netbackup gets a request to mount a tape e.g. =
001211</span></font></li>
 <li class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
     font-family:Arial'>The robot mounts the tape and then the drive =
gets and
     error 6 while in the process of managing the tape. Tape is now =
sitting (stuck)
     on the drive.</span></font></li>
 <li class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
     font-family:Arial'>Netbackup in the mean time waits for the mount =
and eventually
     fail with error 52. (Media timeout set to 15 min). =
</span></font></li>
 <li class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
     font-family:Arial'>Other backups for the same media server start to =
fail
     and queue with the same error 52, as the other backups on this =
server
     request the same tape.</span></font></li>
</ol>

<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'>Question:</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>

<ol start=3D1 type=3D1>
 <li class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
     font-family:Arial'>Is there a way to force Netbackup to start =
requesting
     another tape if it cannot mount a given tape?</span></font></li>
 <li class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
     font-family:Arial'>Is there a way one can get the tape drive to =
send a
     response to Netbackup that there is a problem with it, so that =
Netbackup
     can continue to do what it is suppose to do on other tapes and or =
drives?</span></font></li>
</ol>

<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'>What other practices have people implemented when =
encountering
this type of problem?</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'>JR Redelinghuys. &nbsp;</span></font></p>

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