[Ocfs2-users] Linux-x86_64 Error: 4: Interrupted system call
Daniel Keisling
daniel.keisling at austin.ppdi.com
Thu Aug 14 13:50:34 PDT 2008
It is set to 8.
________________________________
From: Luis Freitas [mailto:lfreitas34 at yahoo.com]
Sent: Thursday, August 14, 2008 3:46 PM
To: ocfs2-users at oss.oracle.com; Daniel Keisling
Subject: Re: [Ocfs2-users] Linux-x86_64 Error: 4: Interrupted system
call
Daniel,
What do you have on db_file_multiblock_read_count on the problem
database?
Regards,
Luis
--- On Thu, 8/14/08, Daniel Keisling <daniel.keisling at austin.ppdi.com>
wrote:
From: Daniel Keisling <daniel.keisling at austin.ppdi.com>
Subject: [Ocfs2-users] Linux-x86_64 Error: 4: Interrupted system
call
To: ocfs2-users at oss.oracle.com
Date: Thursday, August 14, 2008, 2:52 PM
Greetings,
When attempting to start up a database on an OCFS2 filesystem,
Oracle complains with the following errors:
ORA-27090: Message 27090 not found; product=RDBMS; facility=ORA
Linux-x86_64 Error: 4: Interrupted system call
Additional information: 3
Additional information: 128
Additional information: 65536
*** 2008-08-12 14:02:01.304
Warning: OS async I/O limit 128 is lower than recovery batch
1024
Searching for 'interrupted system call" seems to suggest that
filesystem is not mounted with the nointr option, but it is:
/dev/sdg1 on /var/opt/oracle/oradata/ph1p type ocfs2
(rw,_netdev,datavolume,nointr,heartbeat=local)
I have no idea about the async I/O limit. I know that this
kernel paramater is no longer tunable in 2.6 kernels.
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?
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
Under Red Hat v5.1 with ocfs2-2.6.18-53.el5-1.2.8-2.el5.
TIA,
Daniel
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