Hi Rajagopal,<br><br>Do you mean to say this is typical and is resolved after we use device mapper multipathing?<br><br><br>Paras.<br><br><br><div class="gmail_quote">On Thu, Jan 7, 2010 at 11:06 PM, Rajagopal Swaminathan <span dir="ltr">&lt;<a href="mailto:raju.rajsand@gmail.com">raju.rajsand@gmail.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">Greetings,<br>
<div><div></div><div class="h5"><br>
On Fri, Jan 8, 2010 at 10:08 AM, Paras pradhan &lt;<a href="mailto:pradhanparas@gmail.com">pradhanparas@gmail.com</a>&gt; wrote:<br>
&gt; My CentOS 5.4 box has a single HBA card with 2 ports connected to my<br>
&gt; Storage. 2 Luns are assigned to my HBA card. Under /dev instead of seeing 4<br>
&gt; devices I can see 12 devices from sdb to sdm. I am using qlogic driver that<br>
&gt; is bulitin to the OS. Has any one seen this kind of situation?<br>
&gt;<br>
&gt; Paras<br>
<br>
<br>
</div></div>A case before multipathing is installed.<br>
<br>
Install multipathing device driver from the server vendor&#39;s site.<br>
<br>
One thing to remember: always prefer rpm as first and second choice.<br>
<br>
Regards,<br>
<br>
Rajagopal<br>
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</blockquote></div><br>