<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Daniel,<br><br> What do you have on db_file_multiblock_read_count on the problem database?<br><br>Regards,<br>Luis<br><br>--- On <b>Thu, 8/14/08, Daniel Keisling <i><daniel.keisling@austin.ppdi.com></i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;">From: Daniel Keisling <daniel.keisling@austin.ppdi.com><br>Subject: [Ocfs2-users] Linux-x86_64 Error: 4: Interrupted system call<br>To: ocfs2-users@oss.oracle.com<br>Date: Thursday, August 14, 2008, 2:52 PM<br><br><div id="yiv1987747044">
<div><font face="Arial" size="2"><span class="461134117-14082008">Greetings,</span></font></div>
<div><font face="Arial" size="2"><span class="461134117-14082008"></span></font> </div>
<div><font face="Arial" size="2"><span class="461134117-14082008">When attempting to
start up a database on an OCFS2 filesystem, Oracle complains with the
following errors:</span></font></div>
<div><font face="Arial" size="2"><span class="461134117-14082008"></span></font> </div>
<div><font face="Arial" size="2"><span class="461134117-14082008"></span></font> </div>
<div><font face="Arial" size="2"><span class="461134117-14082008">ORA-27090: Message
27090 not found; product=RDBMS; facility=ORA</span></font></div>
<div><font face="Arial" size="2"><span class="461134117-14082008">Linux-x86_64 Error:
4: Interrupted system call</span></font></div>
<div><font face="Arial" size="2"><span class="461134117-14082008">Additional
information: 3</span></font></div>
<div><font face="Arial" size="2"><span class="461134117-14082008">Additional
information: 128</span></font></div>
<div><font face="Arial" size="2"><span class="461134117-14082008">Additional
information: 65536</span></font></div>
<div><font face="Arial" size="2"><span class="461134117-14082008">*** 2008-08-12
14:02:01.304</span></font></div>
<div><font face="Arial" size="2"><span class="461134117-14082008">Warning: OS async
I/O limit 128 is lower than recovery batch 1024</span></font></div>
<div><font face="Arial" size="2"></font> </div>
<div><font face="Arial" size="2"></font> </div>
<div><span class="461134117-14082008"><font face="Arial" size="2">Searching for
'interrupted system call" seems to suggest that filesystem is not mounted with
the nointr option, but it is:</font></span></div>
<div><span class="461134117-14082008"><font face="Arial" size="2"></font></span> </div>
<div><span class="461134117-14082008"><font face="Arial" size="2">/dev/sdg1 on
/var/opt/oracle/oradata/ph1p type ocfs2
(rw,_netdev,datavolume,nointr,heartbeat=local)</font></span></div>
<div><font face="Arial" size="2"></font> </div>
<div><span class="461134117-14082008"><font face="Arial" size="2"></font></span> </div>
<div><span class="461134117-14082008"><font face="Arial" size="2">I have no idea about
the async I/O limit. I know that this kernel paramater is no longer
tunable in 2.6 kernels.</font></span></div>
<div><font face="Arial" size="2"><span class="461134117-14082008"></span></font><font face="Arial" size="2"><span class="461134117-14082008"></span></font> </div>
<div><font face="Arial" size="2"><span class="461134117-14082008">I have a dozen or so
databases on another filesystems and on other machines, none of which exhibit
this behavior. Does anyone know why it complains of an 'interrupted system
call' and I/O limits for this filesystem and/or if they pose a
problem?</span></font></div>
<div><font face="Arial" size="2"><span class="461134117-14082008"></span></font> </div>
<div><font face="Arial" size="2"><span class="461134117-14082008">Kernel is
2.6.18-53.el5 #1 SMP Wed Oct 10 16:34:19 EDT 2007 x86_64 x86_64 x86_64
GNU/Linux</span></font></div>
<div><font face="Arial" size="2"><span class="461134117-14082008">Under Red Hat v5.1
with ocfs2-2.6.18-53.el5-1.2.8-2.el5.</span></font></div>
<div><font face="Arial" size="2"><span class="461134117-14082008"></span></font> </div>
<div><font face="Arial" size="2"><span class="461134117-14082008">TIA,</span></font></div>
<div><font face="Arial" size="2"><span class="461134117-14082008"></span></font> </div>
<div><font face="Arial" size="2"><span class="461134117-14082008">Daniel</span></font></div>
<div> </div>
<div><font face="Arial" size="2"><span class="461134117-14082008"></span></font> </div><br><br><table style="color: black;" bgcolor="white"><tbody><tr><td><br><br>
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