[Veritas-bu] P3000 ATL losing connectivity on the san

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Netbackup 3.41
We have an ATL/Quantum P3000 with 16 DLT8000 HVD drives FC230 cards
connected to the san.
A master/media HP N4000 HP-UX 11.00 with 2 fibre paths via the 2 Brocade
32 port 2 Gig. san switches.
One path has the robot and 6 drives the other path the other drives on
the ATL.
=20
The problem we are experiencing is loss of connectivity (randomly) on
one fibre or the other. (May happen twice in a week or once in two
months at different times of the day etc.)
With HP-UX an IOSCAN shows NO-HW for the tape devices/robot depending on
which fibre channel gets lost.
A power cycle of the ATL and all is OK.
=20
Has anyone else experienced anything like this?
=20
We have had almost everything replaced and firmware checked. (Switches,
fibre cables, FC cards on the ATL)
Thanks,
Mark Eisenhardt
Sr. Systems Administrator
407-822-2483=20
 =20
=20

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<META http-equiv=3DContent-Type content=3D"text/html; =
charset=3Dus-ascii">
<META content=3D"MSHTML 6.00.2800.1400" name=3DGENERATOR></HEAD>
<BODY>
<DIV><SPAN class=3D141330522-02032004><FONT face=3DArial =
size=3D2>Netbackup=20
3.41</FONT></SPAN></DIV>
<DIV><SPAN class=3D141330522-02032004><FONT face=3DArial size=3D2>We =
have an=20
ATL/Quantum P3000 with 16 DLT8000 HVD drives FC230 cards connected to =
the=20
san.</FONT></SPAN></DIV>
<DIV><SPAN class=3D141330522-02032004><FONT face=3DArial size=3D2>A =
master/media HP=20
N4000 HP-UX 11.00 with 2 fibre paths via the 2 Brocade 32 port 2 Gig. =
san=20
switches.</FONT></SPAN></DIV>
<DIV><SPAN class=3D141330522-02032004><FONT face=3DArial size=3D2>One =
path has the=20
robot and 6 drives the other path the other drives on the=20
ATL.</FONT></SPAN></DIV>
<DIV><SPAN class=3D141330522-02032004><FONT face=3DArial=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D141330522-02032004><FONT face=3DArial size=3D2>The =
problem we are=20
experiencing is loss of connectivity (randomly) on one fibre or the =
other. (May=20
happen twice in a week or once in two months at different times of the =
day=20
etc.)</FONT></SPAN></DIV>
<DIV><SPAN class=3D141330522-02032004><FONT face=3DArial size=3D2>With =
HP-UX an IOSCAN=20
shows NO-HW for the tape devices/robot depending on which fibre channel =
gets=20
lost.</FONT></SPAN></DIV>
<DIV><SPAN class=3D141330522-02032004><FONT face=3DArial size=3D2>A =
power cycle of the=20
ATL and all is OK.</FONT></SPAN></DIV>
<DIV><SPAN class=3D141330522-02032004><FONT face=3DArial=20
size=3D2></FONT></SPAN>&nbsp;</DIV>
<DIV><SPAN class=3D141330522-02032004><FONT face=3DArial size=3D2>Has =
anyone else=20
experienced anything like this?</FONT></SPAN></DIV>
<DIV><FONT face=3DArial size=3D2></FONT>&nbsp;</DIV>
<DIV><SPAN class=3D141330522-02032004><FONT face=3DArial size=3D2>We =
have had almost=20
everything replaced and firmware checked. (Switches, fibre cables, FC =
cards on=20
the ATL)</FONT></SPAN></DIV>
<DIV><SPAN class=3D141330522-02032004><FONT face=3DArial=20
size=3D2>Thanks,</FONT></SPAN></DIV>
<DIV align=3Dleft><FONT face=3D"Bookman Old Style" color=3D#000080=20
size=3D2><STRONG><EM>Mark Eisenhardt</EM></STRONG></FONT></DIV>
<DIV align=3Dleft><FONT face=3D"Bookman Old Style" color=3D#800000 =
size=3D2>Sr. Systems=20
Administrator</FONT></DIV>
<DIV align=3Dleft><FONT face=3D"Bookman Old Style" color=3D#0080c0=20
size=3D2><STRONG>407-822-2483&nbsp;</STRONG></FONT></DIV>
<DIV align=3Dleft><FONT face=3DArial size=3D2></FONT>&nbsp;<IMG =
height=3D74=20
src=3D"cid:141330522@02032004-34F3" width=3D192 border=3D0></DIV>
<DIV>&nbsp;</DIV></BODY></HTML>
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