<table cellspacing="0" cellpadding="0" border="0" ><tr><td valign="top" style="font: inherit;">Daniel,<br><br>&nbsp;&nbsp;&nbsp; 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>&lt;daniel.keisling@austin.ppdi.com&gt;</i></b> wrote:<br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;">From: Daniel Keisling &lt;daniel.keisling@austin.ppdi.com&gt;<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>&nbsp;</div>
<div><font face="Arial" size="2"><span class="461134117-14082008">When attempting to 
start up a&nbsp;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>&nbsp;</div>
<div><font face="Arial" size="2"><span class="461134117-14082008"></span></font>&nbsp;</div>
<div><font face="Arial" size="2"><span class="461134117-14082008">ORA-27090: Message 
27090 not found;&nbsp; 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>&nbsp;</div>
<div><font face="Arial" size="2"></font>&nbsp;</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>&nbsp;</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>&nbsp;</div>
<div><span class="461134117-14082008"><font face="Arial" size="2"></font></span>&nbsp;</div>
<div><span class="461134117-14082008"><font face="Arial" size="2">I have no idea about 
the async I/O limit.&nbsp; 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>&nbsp;</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.&nbsp; 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>&nbsp;</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>&nbsp;</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>&nbsp;</div>
<div><font face="Arial" size="2"><span class="461134117-14082008">Daniel</span></font></div>
<div>&nbsp;</div>
<div><font face="Arial" size="2"><span class="461134117-14082008"></span></font>&nbsp;</div><br><br><table style="color: black;" bgcolor="white"><tbody><tr><td><br><br>
______________________________________________________________________<br>
This&nbsp;email&nbsp;transmission&nbsp;and&nbsp;any&nbsp;documents,&nbsp;files&nbsp;or&nbsp;previous&nbsp;email<br>
messages&nbsp;attached&nbsp;to&nbsp;it&nbsp;may&nbsp;contain&nbsp;information&nbsp;that&nbsp;is&nbsp;confidential&nbsp;or<br>
legally&nbsp;privileged.&nbsp;If&nbsp;you&nbsp;are&nbsp;not&nbsp;the&nbsp;intended&nbsp;recipient&nbsp;or&nbsp;a&nbsp;person<br>
responsible&nbsp;for&nbsp;delivering&nbsp;this&nbsp;transmission&nbsp;to&nbsp;the&nbsp;intended&nbsp;recipient,<br>
you&nbsp;are&nbsp;hereby&nbsp;notified&nbsp;that&nbsp;you&nbsp;must&nbsp;not&nbsp;read&nbsp;this&nbsp;transmission&nbsp;and<br>
that&nbsp;any&nbsp;disclosure,&nbsp;copying,&nbsp;printing,&nbsp;distribution&nbsp;or&nbsp;use&nbsp;of&nbsp;this<br>
transmission&nbsp;is&nbsp;strictly&nbsp;prohibited.&nbsp;If&nbsp;you&nbsp;have&nbsp;received&nbsp;this&nbsp;transmission<br>
in&nbsp;error,&nbsp;please&nbsp;immediately&nbsp;notify&nbsp;the&nbsp;sender&nbsp;by&nbsp;telephone&nbsp;or&nbsp;return&nbsp;email<br>
and&nbsp;delete&nbsp;the&nbsp;original&nbsp;transmission&nbsp;and&nbsp;its&nbsp;attachments&nbsp;without&nbsp;reading<br>
or&nbsp;saving&nbsp;in&nbsp;any&nbsp;manner.<br>
</td></tr></tbody></table></div><pre>_______________________________________________<br>Ocfs2-users mailing list<br>Ocfs2-users@oss.oracle.com<br>http://oss.oracle.com/mailman/listinfo/ocfs2-users</pre></blockquote></td></tr></table><br>