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In order to get more information on IO performance problems I created the script below: #!/usr/sbin/dtrace -s #pragma D option flowindent syscall::*write*:entry /pid == $1 && guard++ == 0/ { self -> ts = timestamp; self->traceme = 1; printf("fd: %d", arg0); } fbt::: /self->traceme/ { /* elapsd =timestamp - self -> ts; printf("

...ackup piece /db/dumps/TR1_1/rmanbackup/TR1_88_1 ORA-19502: write error on file "/db/devices/db1/PR2/pr2_1/pr2.data1", blockno 1409 (blocksize=8192) ORA-27061: waiting for async I/Os failed Linux-x86_64 Error: 5: Input/output error Tried various Oracle init parameters for filesystem i/o SETALL, ASYNCH, DIRECT and also disk_asynch_io settings. After this failure tried to used a non ocfs2 filesytem (ext3) for the source RMAN backup files, however the error still occurred. For testing purposes specified a non ocfs2 filesystem ( ext3 ) as restore target filesystem and the RMAN restore co...

...OD="$INSMOD $MODULE" and just change it to INSMOD="$INSMOD -f $MODULE" also - for async io ; p2448994_9204_LINUX.zip is the patch to apply for oracle (this is metalink ARU patch number). after addign the patch and relinking oraclewith async_on, add filesystemio_options="SetAll" to init.ora On Mon, Nov 24, 2003 at 05:15:44PM -0500, Brian M. Diehl wrote: > From: John Smiley [mailto:pro_oracle@yahoo.com] > Sent: Monday, November 24, 2003 5:07 PM > To: Wim Coekaerts > Cc: ocfs-devel@oss.oracle.com; ocfs-users@oss.oracle.com > Subject: [Ocfs-users] ocf...

From: John Smiley [mailto:pro_oracle@yahoo.com] Sent: Monday, November 24, 2003 5:07 PM To: Wim Coekaerts Cc: ocfs-devel@oss.oracle.com; ocfs-users@oss.oracle.com Subject: [Ocfs-users] ocfs-2.4.21-EL-smp-1.0.9-9.i686.rpm does not work with RHEL 3errata kernel Wim, ocfs-2.4.21-EL-smp-1.0.9-9.i686.rpm does not install when the errata kernel (2.4.21-4.0.1) is installed in RHEL 3. It complains

Hi ocfs2 developers, there are some news about the schedule for a new ocfs2 release that solve the actual bug/limitations? I can see an 1.4.7 release tagged here: http://oss.oracle.com/git/?p=ocfs2-1.4.git;a=summary Is there a planned release date? in my environment (about 5000000 files with 300000 new files/deletion per day) I see load until 1000 and I/O almost blocked for some hours of the

I have a 2 node cluster of HP DL380G4s. These machines are attached via scsi to an external HP disk enclosure. They run 32bit RH AS 4.0 and OCFS 1.2.4, the latest release. They were upgraded from 1.2.3 only a few days after 1.2.4 was released. I had reported on the mailing list that my developers were happy, and things seemed faster. However, twice in that time, the cluster has gone down due