<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN">
<HTML>
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii">
<META NAME="Generator" CONTENT="MS Exchange Server version 6.5.7638.1">
<TITLE>RE: Where did the RAM go ..</TITLE>
</HEAD>
<BODY>
<!-- Converted from text/rtf format -->

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT COLOR="#1F497D" SIZE=2 FACE="Arial">Hi Nick,</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT COLOR="#1F497D" SIZE=2 FACE="Arial">&nbsp;</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT COLOR="#1F497D" SIZE=2 FACE="Arial">what is with:</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT COLOR="#1F497D" FACE="Calibri">&nbsp;</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT COLOR="#1F497D" SIZE=2 FACE="Arial">cat /proc/mtrr</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT COLOR="#1F497D" FACE="Calibri">&nbsp;</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT COLOR="#1F497D" SIZE=2 FACE="Arial">Does it show your full installed memory?</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT COLOR="#1F497D" FACE="Calibri">&nbsp;</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT COLOR="#1F497D" SIZE=2 FACE="Arial">Best regards,</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT COLOR="#1F497D" SIZE=2 FACE="Arial">&nbsp;</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT COLOR="#1F497D" SIZE=2 FACE="Arial">Morten</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT COLOR="#1F497D" FACE="Calibri">&nbsp;</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B><FONT SIZE=2 FACE="Tahoma">From:</FONT></B></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Tahoma"> linux-poweredge-bounces@dell.com [</FONT></SPAN><SPAN LANG="en-gb"></SPAN><A HREF="mailto:linux-poweredge-bounces@dell.com"><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><U><FONT COLOR="#0000FF" SIZE=2 FACE="Tahoma">mailto:linux-poweredge-bounces@dell.com</FONT></U></SPAN><SPAN LANG="en-gb"></SPAN></A><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Tahoma">]</FONT></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B> <FONT SIZE=2 FACE="Tahoma">On Behalf Of</FONT></B></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"> <FONT SIZE=2 FACE="Tahoma">Nick Lunt<BR>
</FONT></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B><FONT SIZE=2 FACE="Tahoma">Sent:</FONT></B></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Tahoma"> Monday, June 28, 2010 2:09 PM<BR>
</FONT></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B><FONT SIZE=2 FACE="Tahoma">To:</FONT></B></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Tahoma"> linux-poweredge@dell.com<BR>
</FONT></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B><FONT SIZE=2 FACE="Tahoma">Subject:</FONT></B></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT SIZE=2 FACE="Tahoma"> Where did the RAM go ..</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT FACE="Calibri">&nbsp;</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">Hi folks</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">R900 running RHEL5.</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">This weekend we moved up to 128GB RAM. However I'm confused with the outputs given.</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">The server has 32 x 4096MB DIMM's, giving a total of 131072MB, which is 128GB.</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">omreport shows the following:</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">Total of Memory Array(s)</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">Attributes : Total Installed Capacity</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">Value&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; :</FONT></SPAN><SPAN LANG="en-gb"><B><FONT FACE="Calibri"></FONT></B></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B> <FONT FACE="Calibri">131072&nbsp; MB</FONT></B></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri"> &nbsp;</FONT></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B><FONT FACE="Calibri">--</FONT></B></SPAN><SPAN LANG="en-gb"><B><FONT FACE="Calibri"></FONT></B></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B> <FONT FACE="Calibri">128GB.</FONT></B></SPAN><SPAN LANG="en-gb"><B><FONT FACE="Calibri"></FONT></B></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B> <FONT FACE="Calibri">Spot on, just what I expect</FONT></B></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">Attributes : Total Installed Capacity Available to the OS</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">Value&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; :</FONT></SPAN><SPAN LANG="en-gb"><B><FONT FACE="Calibri"></FONT></B></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B> <FONT FACE="Calibri">128868&nbsp; MB</FONT></B></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri"> &nbsp;</FONT></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B><FONT FACE="Calibri">--</FONT></B></SPAN><SPAN LANG="en-gb"><B><FONT FACE="Calibri"></FONT></B></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B> <FONT FACE="Calibri">125GB.</FONT></B></SPAN><SPAN LANG="en-gb"><B><FONT FACE="Calibri"></FONT></B></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B> <FONT FACE="Calibri">So where did</FONT></B></SPAN><SPAN LANG="en-gb"><B><FONT FACE="Calibri"></FONT></B></SPAN><SPAN LANG="en-gb"><B></B></SPAN><SPAN LANG="en-gb"><B> <FONT FACE="Calibri">the rest go ?</FONT></B></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri"># free -m</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"> <FONT FACE="Calibri">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"> <FONT FACE="Calibri">total&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"> <FONT FACE="Calibri">&nbsp;&nbsp;</FONT></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"> <FONT FACE="Calibri">used&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"> <FONT FACE="Calibri">&nbsp;&nbsp;&nbsp;&nbsp;</FONT></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"> <FONT FACE="Calibri">free&nbsp;&nbsp;&nbsp;&nbsp; shared&nbsp;&nbsp;&nbsp; buffers&nbsp;&nbsp;&nbsp;&nbsp; cached</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">Mem:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 128869&nbsp;&nbsp;&nbsp;&nbsp; 128245&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 623&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 659&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 49701</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">-/+ buffers/cache:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 77885&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 50984</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">Swap:&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 16383&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 92&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 16291</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">So where did 3GB disappear to ?</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">Many thanks,</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">Nick</FONT></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT FACE="Calibri">Hi Morten</FONT></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT FACE="Calibri"># cat /proc/mtrr</FONT></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT FACE="Calibri">reg00: base=0x00000000 (&nbsp;&nbsp; 0MB), size=131072MB: write-back, count=1</FONT></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT FACE="Calibri">reg01: base=0x2000000000 (131072MB), size=1024MB: write-back, count=1</FONT></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT FACE="Calibri">reg02: base=0xc0000000 (3072MB), size=1024MB: uncachable, count=1</FONT></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT FACE="Calibri">reg03: base=0xbfc00000 (3068MB), size=&nbsp;&nbsp; 4MB: uncachable, count=1</FONT></SPAN><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-us"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT FACE="Calibri">131072</FONT></SPAN><SPAN LANG="en-gb"><FONT FACE="Calibri">MB = 128GB so that's showing all installed RAM.</FONT></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-us"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN><SPAN LANG="en-us"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT FACE="Calibri">&nbsp;</FONT></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT FACE="Calibri">__________ Information from ESET NOD32 Antivirus, version of virus signature database 5236 (20100629) __________</FONT></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT FACE="Calibri">The message was checked by ESET NOD32 Antivirus.</FONT></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT FACE="Calibri"><A HREF="http://www.eset.com">http://www.eset.com</A></FONT></SPAN></P>

<P DIR=LTR><SPAN LANG="en-gb"><FONT FACE="Calibri"></FONT></SPAN>&nbsp;</P>

</BODY>
</HTML>