<div dir="ltr">What is the output of the commands? The protocol is supposed to do the unlocking on its own. See what is it blocked on. It could be that the node that has the lock cannot unlock it because it cannot flush the journal to disk.</div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Sep 9, 2014 at 7:55 PM, Guozhonghua <span dir="ltr"><<a href="mailto:guozhonghua@h3c.com" target="_blank">guozhonghua@h3c.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="ZH-CN" link="blue" vlink="purple">
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<p class="MsoNormal"><span lang="EN-US">Hi All:</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">As we test with two node in one OCFS2 cluster.</span></p>
<p class="MsoNormal"><span lang="EN-US">The cluster is hang up may be for dead lock.</span></p>
<p class="MsoNormal"><span lang="EN-US">We use the debugfs.ocfs tool founding that one resource is holding by one node who has it for long time and another node can still wait for the resource.</span></p>
<p class="MsoNormal"><span lang="EN-US">So the cluster is hang up.</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">debugfs.ocfs2 -R "fs_locks -B" /dev/dm-0</span></p>
<p class="MsoNormal"><span lang="EN-US">debugfs.ocfs2 -R "dlm_locks LOCKID_XXX" /dev/dm-0</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">How to unlock the lock held by the node? Is there some commands to unlock the resource?
</span></p>
<p class="MsoNormal"><span lang="EN-US"> </span></p>
<p class="MsoNormal"><span lang="EN-US">Thanks. </span></p>
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