<strong><font color="#000066">Dear Sir,</font></strong><div><strong><font color="#000066"><br></font></strong></div><div><strong><font color="#000066">I have checked the file </font></strong><b><font color="#000066">/proc/sys/vm/zone_reclaim_mode , and found that its value is 1 in four OSS servers (OSS1 to OSS4). Should i change to 0 in all nodes. I want to know one thing , How it can be resolve the current issue ? Can u please explain?, What is the main function of this file ?</font></b></div>
<div><b><font color="#000066">Have u verified the log file which one i has been sent earlier ?. If i have changed the value to 0, Is it will effect currently running processes or Jobs ?</font></b></div><div><font color="#000066"><b>I am waiting for your reply....</b></font></div>
<div><b><font color="#000066"><br></font></b></div><div><strong><font color="#000066">Thanks & Regards<br> <br><font face="verdana,sans-serif">VIJESH E K</font></font></strong></div><div><font color="#000066" face="verdana, sans-serif"><b><br>
</b></font></div><div class="gmail_quote">On Tue, Jan 31, 2012 at 12:21 AM, Kevin Van Maren <span dir="ltr"><<a href="mailto:KVanMaren@fusionio.com">KVanMaren@fusionio.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style="word-wrap:break-word"><div>As I replied earlier, those "slow" messages are often a result of memory allocations taking a long time. Since zone_reclaim shows up in many of the stack traces, that still appears to be a good candidate.</div>
<div><br></div><div>Did you check /proc/sys/vm/zone_reclaim_mode and was it 0? Did you change it to 0 and still have problems?</div><div><br></div><div>The same situation that causes the Lustre threads to be slow can also stall the heartbeat processes. Did you increase the heartbeat deadtime timeout value?</div>
<div><br></div><div>Kevin</div><div><br></div><br><div><div><div class="h5"><div>On Jan 27, 2012, at 1:42 AM, VIJESH EK wrote:</div><br></div></div><blockquote type="cite"><div><div class="h5"><strong><font color="#000066">Dear Sir,</font></strong><div>
<font color="#000066"><b><br></b></font></div><div><font color="#000066"><b>I have attached the /var/log/messages from the OSS node ,</b></font></div><div><font color="#000066"><b>Please go through the logs and kindly give me a solution for this issue........<br>
</b></font><div><strong><font color="#000066"><br></font></strong></div><div><strong><font color="#000066">Thanks & Regards<br> <br><font face="verdana,sans-serif">VIJESH E K</font></font></strong></div><div><strong><font color="#000066"><font face="verdana,sans-serif">HCL Infosystems Ltd. <br>
Chennai-6<br>Mob:<a value="+919940096543">+91 99400 96543</a></font></font></strong></div><br><br><div class="gmail_quote">On Mon, Jan 23, 2012 at 12:03 PM, VIJESH EK <span dir="ltr"><<a href="mailto:ekvijesh@gmail.com" target="_blank">ekvijesh@gmail.com</a>></span> wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><span style="color:rgb(0,0,102);font-weight:bold">Hi,</span></div><div><font color="#000066" style="font-weight:bold"><br>
</font></div><div><font color="#000066" style="font-weight:bold"> I hope all of them are in good spirit....</font></div>
<div><font color="#000066" style="font-weight:bold"><br></font></div><div><font color="#000066"><b>We have a four OSS servers, OSS1 to OSS4 are clustered each other</b></font></div><div><font color="#000066"><b>The Nodes are clustered with OSS1 and OSS2 , OSS3 & OSS4.</b></font></div>
<div><font color="#000066"><b>It was configured six months back, from the beginning itself its creacting </b></font></div><div><font color="#000066"><b>an issue that one of node is fencing the other node and its goes to the shutdown state.</b></font></div>
<div><font color="#000066"><b>This problem may be happen from two to three weeks timing period.</b></font></div><div><font color="#000066"><b>In the /var/log/messages showing some errors continuously that </b></font></div>
<div><font color="#000066"><b>" slow start_page_write 57s due to heavy IO load "</b></font></div><div><font color="#000066"><b>Can anybody can help me regarding this issue.....</b></font></div><div><font color="#000066"><b><br>
</b></font></div><div><font color="#000066" style="font-weight:bold"><br></font></div><div><font color="#000066" style="font-weight:bold">Thanks & Regards</font></div><div><strong><font color="#000066"> <br>
<font face="verdana,sans-serif">VIJESH E K</font></font></strong></div><div><font color="#000066" face="verdana, sans-serif"><b><br></b></font></div><br>
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