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</o:shapelayout></xml><![endif]--></head><body bgcolor=white 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'>Sunil, I was trying to see what the speed difference would be if I mount a volume with no heartbeat (for copy purpose):<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>dbtest01 root /home/ulf # mount -o datavolume,nointr,heartbeat=none /dev/mapper/350002ac001380dab /export/coptest/<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>dbtest01 root /home/ulf # mount<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>/dev/mapper/350002ac001380dab on /export/coptest type ocfs2 (rw,_netdev,datavolume,nointr,heartbeat=none,heartbeat=local)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>This was with o2cb running, is this right? This is on EL5 with ocfs2 1.4.7 and tools 1.4.4<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> ocfs2-users-bounces@oss.oracle.com [mailto:ocfs2-users-bounces@oss.oracle.com] <b>On Behalf Of </b>Sunil Mushran<br><b>Sent:</b> Friday, September 09, 2011 9:46 PM<br><b>To:</b> Hai Tao<br><b>Cc:</b> ocfs2-users@oss.oracle.com<br><b>Subject:</b> Re: [Ocfs2-users] mount type heartbeat=local<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>That's mount type. Yes, we should not have overloaded the term "local".<br><br>On 09/09/2011 07:53 PM, Hai Tao wrote: <o:p></o:p></p><div><p class=MsoNormal>but this is what I saw in the guide <span class=tl><o:p></o:p></span></p><h3><a href="http://oss.oracle.com/projects/ocfs2/dist/documentation/v1.4/ocfs2-1_4-usersguide.pdf"><span style='font-size:12.0pt;color:#2200C1'>OCFS2 - A Cluster File System For Linux</span></a><o:p></o:p></h3><p class=MsoNormal> <br> <b><span style='font-family:"Verdana","sans-serif"'><o:p></o:p></span></b></p><p><b><span style='font-family:"Verdana","sans-serif"'>Mount Type<o:p></o:p></span></b></p><p class=MsoNormal><span style='font-family:"Verdana","sans-serif"'><o:p> </o:p></span></p><p><span style='font-family:"Verdana","sans-serif"'>Valid types are <o:p></o:p></span></p><p><i><span style='font-family:"Verdana","sans-serif"'>cluster </span></i><span style='font-family:"Verdana","sans-serif"'>and <i>local</i>, with the former also being the default. Specify</span><o:p></o:p></p><p class=MsoNormal><i><span style='font-family:"Verdana","sans-serif"'><br>local</span></i><span style='font-family:"Verdana","sans-serif"'>if you intend to use the file system on one node only.</span> <o:p></o:p></p><p><br><br> <o:p></o:p></p><div><p class=MsoNormal>Thanks.<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>Hai Tao<o:p></o:p></p></div><p class=MsoNormal><br> <o:p></o:p></p><div><div class=MsoNormal align=center style='text-align:center'><hr size=2 width="100%" align=center id=stopSpelling></div><p class=MsoNormal>Date: Fri, 9 Sep 2011 19:04:28 -0700<br>From: <a href="mailto:sunil.mushran@oracle.com">sunil.mushran@oracle.com</a><br>To: <a href="mailto:taoh666@hotmail.com">taoh666@hotmail.com</a><br>CC: <a href="mailto:ocfs2-users@oss.oracle.com">ocfs2-users@oss.oracle.com</a><br>Subject: Re: [Ocfs2-users] mount type heartbeat=local<br><br>That mount option is appended by mount.ocfs2. It tells users<br>the heartbeat mode. "none" means non-clustered. "local" means<br>the heartbeat region is on the mounted volume. This is the default<br>mode. In 1.8 we have "global" which means the heartbeat region<br>has been configured on 1+ devices. local and global are only<br>pertinent in the o2cb stack. If you are using pacemaker, you will<br>see cluster_stack=pcmk and not heartbeat=.<br><br>There is no heartbeat=cluster.<br><br>On 09/09/2011 04:43 PM, Hai Tao wrote: <o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p><div id="ecxmpf0_readMsgBodyContainer"><div id="ecxmpf0_MsgContainer"><div><p class=MsoNormal style='margin-bottom:12.0pt'>Hi,<br> <br>when I mount ocfs2 file system, what the heartbeat=local option means? what is the difference between heartbeat=local and heartbeat=cluster (I know that is default)?<br><br><o:p></o:p></p><div><p class=MsoNormal>Thanks.<o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal> <o:p></o:p></p></div><div><p class=MsoNormal>Hai<o:p></o:p></p></div></div></div></div></div><p class=MsoNormal><o:p> </o:p></p></div></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>