Veritas-bu

[Veritas-bu] Definite Drive paths using an HP Fibre Channel Tape Controller II

2004-05-13 06:52:21
Subject: [Veritas-bu] Definite Drive paths using an HP Fibre Channel Tape Controller II
From: Tal.Shekel AT LechabileSS.co DOT za (Tal Shekel)
Date: Thu, 13 May 2004 12:52:21 +0200
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Hi Guys
I have a sight using NB 4.5FP6 in an SSO environment, all servers are
W2K.
They have 4x DLT7000 drives connect to a Compaq Fibre Channel Tape
Controller 2 allowing the SCSI drives to be made available on the SAN.
There are about 8 SAN media server accessing these tape devices.
We have noticed that some of these DLT tape devices are every so often
getting mapped to different OS devices.
Basically the paths to the tape devices are changing.
I need to implement some kind of persistent binding for these DLT7000
devices.
I cannot implement it from an HBA level as all DLT7000 devices are seen
on the SAN through the tape controllers WWN and the DLT's do not have
WWN.
I am trying to find out if you can specify relative paths on the Fibre
Channel Tape Controller 2 device.
Has anyone had any experience configuring these devices for definite
paths or persistent bindings.
HP has not been able to give much info so far.
Thanks
Tal
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<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Hi Guys<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>I have a sight using NB 4.5FP6 in an SSO environment, =
all
servers are W2K.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>They have 4x DLT7000 drives connect to a Compaq Fibre
Channel Tape Controller 2 allowing the SCSI drives to be made available =
on the
SAN.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>There are about 8 SAN media server accessing these =
tape
devices.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>We have noticed that some of these DLT tape devices =
are
every so often getting mapped to different OS =
devices.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Basically the paths to the tape devices are =
changing.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>I need to implement some kind of persistent binding =
for
these DLT7000 devices.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>I cannot implement it from an HBA level as all =
DLT7000
devices are seen on the SAN through the tape controllers WWN and the =
DLT&#8217;s
do not have WWN.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>I am trying to find out if you can specify relative =
paths on
the Fibre Channel Tape Controller 2 device.<o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Has anyone had any experience configuring these =
devices for definite
paths or persistent <span =
class=3DGramE>bindings.</span><o:p></o:p></span></font></p>

<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>HP has not been able to give much info so =
far.<o:p></o:p></span></font></p>

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

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

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<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
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12.0pt'><o:p>&nbsp;</o:p></span></font></p>

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