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<DIV dir=ltr align=left><SPAN class=027484820-14082008><FONT face=Arial><FONT
color=#0000ff><FONT size=2>It is set to 8<SPAN
class=201195020-14082008>.</SPAN></FONT></FONT></FONT></SPAN></DIV></DIV><BR>
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<FONT face=Tahoma size=2><B>From:</B> Luis Freitas [mailto:lfreitas34@yahoo.com]
<BR><B>Sent:</B> Thursday, August 14, 2008 3:46 PM<BR><B>To:</B>
ocfs2-users@oss.oracle.com; Daniel Keisling<BR><B>Subject:</B> Re: [Ocfs2-users]
Linux-x86_64 Error: 4: Interrupted system call<BR></FONT><BR></DIV>
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<TD vAlign=top>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="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: rgb(16,16,255) 2px solid">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>
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