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<div class="Section1" style="layout-grid:15.6pt">
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">Hi, everyone</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">I have a question about the OCFS2 when I using it.</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">I setup a cluster with two nodes vmc-4, and vmc-7.
</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">The host vmc-4's system time is very different with the host vmc-7, about more
than one day time. They all use the iSCSI storage target3.</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">The time is below:
</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">root@vmc-7:~# date</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">Sun Jun 24 06:54:20 CST 2012
</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">root@vmc-4:~# date</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">Mon Jun 25 09:53:35 CST 2012
</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">When I am using vmc-4, and copying more then 200G data file to the directory /vms/target3
mounted on vmc-4 as ocfs2 with target3. </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">At the same time, I add the host of vmc-7 into the ocfs2 cluster with command,
joining with vmc-4.</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">I execute the command on vmc-4:
</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">o2cb_ctl -C -i -n vmc-7 -t node -a number=2 -a ip_address=192.168.0.7 -a ip_port=7100
-a cluster=iPool</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">I copy the /etc/ocfs2/cluster.conf file from vmc-4 to vmc-7, and startup the ocfs2
service using "service o2cb onload" and "service o2cb online".</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">And I mount the device of ocfs2 with /vms/target3 on the host of vmc-7. mount
–t ocfs2 /dev/sdb /vms/target3</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">And the result to see the file list on vmc-7 with debugfs.ocfs2 is interesting:</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">vmc-7:
</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">debugfs: ls</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 513 16 1 2 .</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 513 16 2 2 ..</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 1412353 24 10 2 lost+found</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 1412354 16 3 1 111</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 1412355 16 4 1 abbb</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 1412356 20 7 1 BeiJing</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 1412357 24 9 2 caibackup</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 1412486 3764 8 1 caiWinXP</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">debugfs: slotmap</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> Slot# Node#</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 1 2</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">debugfs: hb</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> node: node seq generation checksum</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 1: 1 000000004fe7c52e ea6ac3ff9a179e7d 1b8ea7f3</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 2: 2 000000004fe64998 43909c20ab5bc319 8a18147e</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">debugfs: quit</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">root@vmc-7:~# mounted.ocfs2 -f</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">Device FS Nodes</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">/dev/sdb ocfs2 vmc-7</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">/dev/sdc ocfs2 Not mounted</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">/dev/sdd ocfs2 Not mounted</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">root@vmc-7:~#
</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">And at the same time, the result of the file list on vmc-4 with debugfs.ocfs2:</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">root@vmc-4:~# mount | grep ocfs</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">ocfs2_dlmfs on /dlm type ocfs2_dlmfs (rw)</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">/dev/sdc on /vms/target3 type ocfs2 (rw,_netdev,heartbeat=local)</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">root@vmc-4:~# debugfs.ocfs2 /dev/sdc</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">debugfs.ocfs2 1.6.3</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">debugfs: ls</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 513 16 1 2 .</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 513 16 2 2 ..</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 1412353 24 10 2 lost+found</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 1412354 16 3 1 111</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 1412355 16 4 1 abbb</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 1412356 20 7 1 BeiJing</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 1412357 24 9 2 caibackup</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> 1412486 3764 8 1 caiWinXP</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">debugfs: quit</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">root@vmc-4:~# ls -al /vms/target3/</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">total 64238596</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">drwxr-xr-x 4 root root 3896 Jun 25 09:50 .</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">drwxr-xr-x 15 root root 4096 Jun 25 09:39 ..</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">-rw------- 1 root root 6291968 Jun 25 09:40 111</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">-rw------- 1 root root 6291968 Jun 25 09:40 abbb</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">-rw------- 1 root root 12582912 Jun 25 09:40 BeiJing</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">drwxr-xr-x 8 root root 3896 Jun 25 09:40 caibackup</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">-rw------- 1 root root 3495952384 Jun 25 09:41 caiWinXP</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">-rwxr--r-- 1 root root 21550333952 Jun 25 09:45 convirture_ev</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">-rw-r--r-- 1 root root 17825792000 Jun 25 09:48 convirture_ev-clone0</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">-rwxr--r-- 1 root root 6744440832 Jun 25 09:49 convirture_ev-clone0-clone0</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">-rwxr--r-- 1 root root 2153775104 Jun 25 09:49 convirture_ev-clone1</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">-rw------- 1 root root 1786773504 Jun 25 09:50 DEBIAN_WXS</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">-rw-r--r-- 1 root root 12195987456 Jun 25 09:52 dvsc.img</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">drwxr-xr-x 2 root root 3896 Jun 25 09:37 lost+found</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">root@vmc-4:~#</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">Why so many files on vmc-4, and so small files on vmc-7 with debugfs.ocfs2 tools
at the same time?</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">After unmounting on vmc-7 and remount the device on vmc-7, the vmc-7 host is panic
for mount time out, the kernel log is below: </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">Jun 25 06:03:56 vmc-7 kernel: [ 9226.663878] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs"
disables this message.</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">Jun 25 06:03:56 vmc-7 kernel: [ 9226.675662] mount.ocfs2 D ffffffff81806240
0 1214 1213 0x00000000</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">Jun 25 06:03:56 vmc-7 kernel: [ 9226.675668] ffff880212529838 0000000000000082
ffff8802125297f8 ffffffffa04f156b</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">While I reboot the vmc-4, the vmc-4 is also panic.</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">And I adjust the time on vmc-7 a little time difference with vmc-4, about 10 seconds,
and reboot them. </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">They are OK with OCFS2 cluster. I mean the file list is same with each other,
and mounting operation is OK too.</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">This scenario can be repeated with two different time (a lot of time) nodes, I
test several times and it always appears..</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">There are some questions about it as below:
</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">Is it that the time different a lot(more than 24 hours) for vmc-4 and vmc-7?
</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">What is the time different limit between different nodes of OCFS2?
</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">What's the side-effect of the different time between nodes of ocfs2 cluster, and
should all the nodes be set NTP for same time?</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial">Thanks
</span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt; layout-grid-mode:char"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
<p class="MsoNormal" style="text-indent:18.0pt"><font size="1" face="Arial"><span lang="EN-US" style="font-size:9.0pt; line-height:150%; font-family:Arial"> </span></font></p>
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