<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=koi8-r">
<style>
<!--
@font-face
{font-family:Calibri}
@font-face
{font-family:Tahoma}
@font-face
{font-family:Verdana}
p.MsoNormal, li.MsoNormal, div.MsoNormal
{margin:0in;
margin-bottom:.0001pt;
font-size:12.0pt;
font-family:"Times New Roman","serif"}
a:link, span.MsoHyperlink
{color:blue;
text-decoration:underline}
a:visited, span.MsoHyperlinkFollowed
{color:purple;
text-decoration:underline}
p.MsoAcetate, li.MsoAcetate, div.MsoAcetate
{margin:0in;
margin-bottom:.0001pt;
font-size:8.0pt;
font-family:"Tahoma","sans-serif"}
span.hoenzb
{}
span.EmailStyle18
{font-family:"Calibri","sans-serif";
color:#1F497D}
span.BalloonTextChar
{font-family:"Tahoma","sans-serif"}
.MsoChpDefault
{font-family:"Calibri","sans-serif"}
@page WordSection1
{margin:1.0in 1.0in 1.0in 1.0in}
div.WordSection1
{}
-->
</style>
</head>
<body lang="EN-US" link="blue" vlink="purple">
<div class="WordSection1">
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Dear Experts,</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Our DBA team is facing following problem.
</span></p>
<div style="border:none; border-bottom:solid windowtext 1.0pt; padding:0in 0in 1.0pt 0in">
<p class="MsoNormal" style="border:none; padding:0in"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">We did high availability testing and when we crash DB node 1, DB Node 2 also went down, and from the errors, i could see ocfs2 service has shutdown DB02</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">here is the issue in detail.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">DB01</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">DB02</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Ap01</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">AP02</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">when i crash DB01 server, DB02 server also goes down and total oracle is collapsed.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">when doing vice versa, crash DB02, DB01 survives . and oracle continues to work without any issues</span></p>
<div style="border:none; border-bottom:solid windowtext 1.0pt; padding:0in 0in 1.0pt 0in">
<p class="MsoNormal" style="border:none; padding:0in"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
</div>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">messages_DB02.txt</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">===================</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:15:52 kbmmoppdb02 avahi-daemon[8824]: Registering new address record for 172.20.1.9 on eth0.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:16:13 kbmmoppdb02 kernel: o2dlm: Node 0 leaves domain 8155F09482C94D3AB99D0669B91C0B1E</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:16:13 kbmmoppdb02 kernel: o2dlm: Nodes in domain 8155F09482C94D3AB99D0669B91C0B1E: 1
</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:17:27 kbmmoppdb02 kernel: o2net: connection to node kbmmoppdb01 (num 0) at 10.255.255.3:7777 has been idle for 30.0 seconds, shutting it down.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:17:27 kbmmoppdb02 kernel: (swapper,0,11):o2net_idle_timer:1515 here are some times that might help debug the situation: (tmr 1390245417.409760 now
1390245447.410787 dr 1390245417.409740 adv 1390245417.409769:1390245417.409770 func (d9d367e5:505) 1390245414.653885:1390245414.653892)</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:17:27 kbmmoppdb02 kernel: o2net: no longer connected to node kbmmoppdb01 (num 0) at 10.255.255.3:7777</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:17:27 kbmmoppdb02 kernel: (kswapd0,576,10):dlm_send_remote_unlock_request:360 ERROR: Error -112 when sending message 506 (key 0x60f827ee) to node
0</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:17:48 kbmmoppdb02 kernel: o2net: connection to node kbmmoppdb01 (num 0) at 10.255.255.3:7777 shutdown, state 7</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:17:57 kbmmoppdb02 kernel: (o2net,6123,11):o2net_connect_expired:1676 ERROR: no connection established with node 0 after 30.0 seconds, giving up
and returning errors.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:17:57 kbmmoppdb02 kernel: (dlm_thread,6161,8):dlm_drop_lockres_ref:2191 ERROR: Error -107 when sending message 507 (key 0x60f827ee) to node 0</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:17:57 kbmmoppdb02 kernel: (kswapd0,576,10):dlm_send_remote_unlock_request:360 ERROR: Error -107 when sending message 506 (key 0x60f827ee) to node
0</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:17:57 kbmmoppdb02 last message repeated 73 times</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:17:57 kbmmoppdb02 kernel: (dlm_thread,6161,8):dlm_purge_lockres:193 ERROR: C5F98815D0BF43578B48C12C21114311: deref O000000000000000124facd00000000
failed -107</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:17:57 kbmmoppdb02 kernel: o2net: connection to node kbmmoppdb01 (num 0) at 10.255.255.3:7777 shutdown, state 7</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:18:25 kbmmoppdb02 last message repeated 9 times</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:18:27 kbmmoppdb02 kernel: (o2net,6123,11):o2net_connect_expired:1676 ERROR: no connection established with node 0 after 30.0 seconds, giving up
and returning errors.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:18:27 kbmmoppdb02 kernel: (dlm_thread,6161,8):dlm_drop_lockres_ref:2191 ERROR: Error -107 when sending message 507 (key 0x60f827ee) to node 0</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:18:27 kbmmoppdb02 kernel: (kswapd0,576,10):dlm_send_remote_unlock_request:360 ERROR: Error -107 when sending message 506 (key 0x60f827ee) to node
0</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:18:27 kbmmoppdb02 last message repeated 180 times</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:18:27 kbmmoppdb02 kernel: (dlm_thread,6161,8):dlm_purge_lockres:193 ERROR: C5F98815D0BF43578B48C12C21114311: deref M000000000000000124facd00000000
failed -107</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:18:27 kbmmoppdb02 kernel: (dlm_thread,6161,10):dlm_drop_lockres_ref:2191 ERROR: Error -107 when sending message 507 (key 0x60f827ee) to node 0</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:18:27 kbmmoppdb02 kernel: (dlm_thread,6161,10):dlm_purge_lockres:193 ERROR: C5F98815D0BF43578B48C12C21114311: deref O000000000000000124facc00000000
failed -107</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:18:27 kbmmoppdb02 kernel: (dlm_thread,6161,4):dlm_drop_lockres_ref:2191 ERROR: Error -107 when sending message 507 (key 0x60f827ee) to node 0</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:18:27 kbmmoppdb02 kernel: (dlm_thread,6161,4):dlm_purge_lockres:193 ERROR: C5F98815D0BF43578B48C12C21114311: deref O000000000000000124fa8e00000000
failed -107</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:18:28 kbmmoppdb02 kernel: o2net: connection to node kbmmoppdb01 (num 0) at 10.255.255.3:7777 shutdown, state 7</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:18:31 kbmmoppdb02 kernel: o2net: connection to node kbmmoppdb01 (num 0) at 10.255.255.3:7777 shutdown, state 7</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:18:33 kbmmoppdb02 kernel: (events/11,49,11):o2quo_make_decision:158 ERROR: fencing this node because it is connected to a half-quorum of 1 out of
2 nodes which doesn't include the lowest active node 0</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:18:33 kbmmoppdb02 kernel: (events/11,49,11):o2hb_stop_all_regions:2026 ERROR: stopping heartbeat on all active regions.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:23:10 kbmmoppdb02 syslogd 1.4.1: restart.</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D">Jan 20 13:23:10 kbmmoppdb02 kernel: klogd 1.4.1, log source = /proc/kmsg started</span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="MsoNormal"><span lang="EN-IN" style="font-size:8.0pt; font-family:"Verdana","sans-serif"; color:gray">Regards,</span><span lang="EN-IN" style="font-size:8.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="font-size:8.0pt; font-family:"Verdana","sans-serif"; color:gray">Thiruselvam V</span></p>
<p class="MsoNormal"><span lang="EN-IN" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"> </span></p>
<p class="MsoNormal"><span style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"><img width="59" height="62" id="Picture_x0020_2" src="cid:image001.png@01CF16A5.3AD77F50" alt="Description: Description: Description: cid:image001.png@01CE5876.CAF7DD70"></span><span lang="EN-IN" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="font-size:8.0pt; font-family:"Verdana","sans-serif"; color:gray">VOIP : 603 521 6544 | Mobile :+91 9986150593Fax:+91 80 41122605 | Skype :
<a href="mailto:vthiruselvam@gmail.com">vthiruselvam@gmail.com</a> AOL : <a href="mailto:tvelayutham@kbace.com">
tvelayutham@kbace.com</a></span><span style="font-size:8.0pt; font-family:"Verdana","sans-serif"; color:#7F7F7F"></span></p>
<p class="MsoNormal"><span style="font-size:8.0pt; font-family:"Verdana","sans-serif"; color:#7F7F7F">KBACE Technologies
</span><span lang="EN-IN" style="font-size:8.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"></span></p>
<p class="MsoNormal"><span lang="EN-IN" style="font-size:11.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"><a href="http://www.kbace.com/"><span lang="EN-US" style="font-size:8.0pt; font-family:"Verdana","sans-serif"">www.kbace.com</span></a></span><span lang="EN-IN" style="font-size:8.0pt; font-family:"Calibri","sans-serif"; color:#1F497D"></span></p>
</div>
<p style="font-family:Calibri; font-size:8pt; color:#333333; padding-top:4px; border-top-style:solid; border-top-width:1px; border-top-color:#666666">
Privileged/Confidential Information may be contained in this message. If you are not the addressee indicated in this message (or responsible for delivery of the message to such person), you may not copy or deliver this message to anyone. In such case, you should
destroy this message, and notify the sender immediately. If you or your employer does not consent to e-mail messages of this kind, please advise the sender immediately. Opinions, conclusions and other information expressed in this message are not given or
endorsed by KBACE unless otherwise indicated by an authorized representative independent of this message.</p>
</body>
</html>