Can you please verify if this issue exists in the master HEAD? There have been quite a few locking changes/fixes recently and this may be a specific case of those issues.<div><br></div><div>Avati<br><br><div class="gmail_quote">
On Thu, Jan 24, 2013 at 12:02 AM, Song <span dir="ltr"><<a href="mailto:gluster@163.com" target="_blank">gluster@163.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"><div><p class="MsoNormal"><span lang="EN-US">Hi,<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US">Recently, glusterfs will hang when we do stress testing. To find the reason, we write a test shell script.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US">We run the test shell on 5 servers at the same time. For a moment, all test programming is hang.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">When execute command “cd /xmail/gfs1/scl_test/001”, also hang.<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US">The test shell script:<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p><p class="MsoNormal"><i><span lang="EN-US">for((i=1;i<=100;i++));<u></u><u></u></span></i></p><p class="MsoNormal"><i><span lang="EN-US">do <u></u><u></u></span></i></p>
<p class="MsoNormal" style="text-indent:10.5pt"><i><span lang="EN-US">rmdir /xmail/gfs1/scl_test/001<u></u><u></u></span></i></p><p class="MsoNormal" style="text-indent:10.5pt"><i><span lang="EN-US">if [ "$?" == "0" ];<u></u><u></u></span></i></p>
<p class="MsoNormal" style="text-indent:10.5pt"><i><span lang="EN-US">then <u></u><u></u></span></i></p><p class="MsoNormal" style="text-indent:21.0pt"><i><span lang="EN-US">echo "delete dir success"<u></u><u></u></span></i></p>
<p class="MsoNormal" style="text-indent:10.5pt"><i><span lang="EN-US">fi <u></u><u></u></span></i></p><p class="MsoNormal"><i><span lang="EN-US"><u></u> <u></u></span></i></p><p class="MsoNormal" style="text-indent:10.5pt">
<i><span lang="EN-US">mkdir /xmail/gfs1/scl_test/001<u></u><u></u></span></i></p><p class="MsoNormal" style="text-indent:10.5pt"><i><span lang="EN-US">if [ "$?" == "0" ];<u></u><u></u></span></i></p><p class="MsoNormal" style="text-indent:10.5pt">
<i><span lang="EN-US">then <u></u><u></u></span></i></p><p class="MsoNormal" style="text-indent:21.0pt"><i><span lang="EN-US">echo "create dir success"<u></u><u></u></span></i></p><p class="MsoNormal" style="text-indent:10.5pt">
<i><span lang="EN-US">fi<u></u><u></u></span></i></p><p class="MsoNormal"><i><span lang="EN-US"><u></u> <u></u></span></i></p><p class="MsoNormal" style="text-indent:10.5pt"><i><span lang="EN-US">echo "1111" >>/xmail/gfs1/scl_test/001/001.txt<u></u><u></u></span></i></p>
<p class="MsoNormal" style="text-indent:10.5pt"><i><span lang="EN-US">echo "2222" >>/xmail/gfs1/scl_test/001/002.txt<u></u><u></u></span></i></p><p class="MsoNormal" style="text-indent:10.5pt"><i><span lang="EN-US">echo "3333" >>/xmail/gfs1/scl_test/001/003.txt<u></u><u></u></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US"><u></u> <u></u></span></i></p><p class="MsoNormal" style="text-indent:10.5pt"><i><span lang="EN-US">rm -rf /xmail/gfs1/scl_test/001/001.txt<u></u><u></u></span></i></p><p class="MsoNormal" style="text-indent:10.5pt">
<i><span lang="EN-US">rm -ff /xmail/gfs1/scl_test/001/002.txt<u></u><u></u></span></i></p><p class="MsoNormal" style="text-indent:10.5pt"><i><span lang="EN-US">rm -rf /xmail/gfs1/scl_test/001/003.txt<u></u><u></u></span></i></p>
<p class="MsoNormal"><i><span lang="EN-US">done<u></u><u></u></span></i></p><p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US">“/xmail/gfs1” is native mount point of gluster volume gfs1.<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US">Gluster volume info is as below:<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US">[root@d181 glusterfs]# gluster volume info<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US">Volume Name: gfs1<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US">Type: Distributed-Replicate<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US">Status: Started<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US">Number of Bricks: 30 x 3 = 90<u></u><u></u></span></p><p class="MsoNormal"><span lang="EN-US">Transport-type: tcp<u></u><u></u></span></p>
<p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US"><u></u> <u></u></span></p><p class="MsoNormal"><span lang="EN-US">Please help me, Thanks!<u></u><u></u></span></p><p class="MsoNormal">
<span lang="EN-US"><u></u> <u></u></span></p></div></div><br>_______________________________________________<br>
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<br></blockquote></div><br></div>