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<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Hi all, <br>
<br>
<font color=black><span style='color:black'>I am unmounting an OCFS2 filesystem
across our cluster, but on 2 nodes it just hangs.<o:p></o:p></span></font></span></font></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>This is on </span></font><font
size=2 face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New"'>RHEL
4 update 8 kernel 2.6.9-89.0.26.ELsmp</span></font> running <font
size=2><span style='font-size:10.0pt'>OCFS2 version </span></font><font size=2
color=black face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>OCFS2 1.2.9 Thu Sep 8 23:05:45 PDT 2011 (build
e5c3135c8cbf75f2620ff4c782d634f1)<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>If I do a mount | grep
ocfs I get the following (which is what I expect)<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=black
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'># mount | grep ocfs<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=black
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>ocfs2_dlmfs on /dlm type ocfs2_dlmfs (rw)<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=black
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'>/dev/emcpowerq1 on /d00/cfs type ocfs2
(rw,_netdev,heartbeat=local)<o:p></o:p></span></font></p>
<p class=MsoNormal style='margin-left:36.0pt'><font size=2 color=black
face="Courier New"><span style='font-size:10.0pt;font-family:"Courier New";
color:black'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 color=black face="Times New Roman"><span
style='font-size:12.0pt;color:black'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face="Century Gothic"><span
style='font-size:10.0pt;font-family:"Century Gothic";color:black'>In
/var/log/messages there are no error messages or any messages relating to
unmounting this particular filesystem.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=black face="Century Gothic"><span
style='font-size:10.0pt;font-family:"Century Gothic";color:black'>Other OCFS2
mounted filesystems have umounted OK.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><br>
<font color=black><span style='color:black'>What steps should I take to
diagnose what is causing this to hang?</span></font><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Many thanks,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Neil</span></font><font size=2 color=black face="Century Gothic"><span
style='font-size:10.0pt;font-family:"Century Gothic";color:black'><o:p></o:p></span></font></p>
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