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Take a stack trace of the hang. If you are on 2.6.32, you could do:<br>
<br>
# find /proc -name stack | while read A ; do D=$(dirname $A); echo $A;
cat $D/cmdline; echo ; cat $A; echo ; done;<br>
<br>
Attach the output to a bugzilla on oss.oracle.com.<br>
<br>
On 10/15/2010 08:16 AM, Emil Noether wrote:
<blockquote cite="mid:4CB8705E.1010807@email.cz" type="cite">
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Hi,<br>
<br>
I have a SATABoy2 Nexan storage with 8 disks (SATA Hitachi
HUA721075KLA330) connected to raid 6. Two image servers and two
webservers. Image servers are connected to storage via iSCSI (1GBit)
and webservers are connected via fibre (QLogic ISP2432-based 4Gb).
There is ocfs2 filesystem on the storage disk. When I disconnect
webserver1 (identical with webserver2) everything is ok. But when I do "/etc/init.d/o2cb
start",
even without mounting the storage disk (so webserver is
actually doing nothing) my project is down every aprox 30 minutes for
aprox 2 minutes.<br>
<br>
To describe what is down: There is no problem on image servers, but
there is a problem on webserver2. Mounted ocfs2 disk is not responding
(I can't run even "df" command), so load goes to aprox 400 and number
of running apaches reaches it's maximum and so on. The web page is not
responding.<br>
<br>
I store all of my logs on local disks so not on ocfs2 disk.<br>
<br>
I use 2.6.32 kernel on servers, but I have already tried change it to
some another, but with no result.<br>
<br>
I use ocfs2-tools in version 1.4.1-1.<br>
<br>
My distro is Debian Lenny (5.0.6) x64.<br>
<br>
My /etc/default/o2cb:<br>
O2CB_ENABLED=true<br>
O2CB_BOOTCLUSTER=ocfs2<br>
O2CB_HEARTBEAT_THRESHOLD=14<br>
O2CB_IDLE_TIMEOUT_MS=10000<br>
O2CB_KEEPALIVE_DELAY_MS=5000<br>
O2CB_RECONNECT_DELAY_MS=2000<br>
<br>
My /etc/ocfs2/cluster.conf:<br>
node:<br>
ip_port = 7777<br>
ip_address = 10.0.0.111<br>
number = 0<br>
name = www1<br>
cluster = ocfs2<br>
<br>
node:<br>
ip_port = 7777<br>
ip_address = 10.0.0.112<br>
number = 1<br>
name = ww2<br>
cluster = ocfs2<br>
<br>
node:<br>
ip_port = 7777<br>
ip_address = 10.0.0.121<br>
number = 2<br>
name = img1<br>
cluster = ocfs2<br>
<br>
node:<br>
ip_port = 7777<br>
ip_address = 10.0.0.122<br>
number = 3<br>
name = img2<br>
cluster = ocfs2<br>
<br>
cluster:<br>
node_count = 4<br>
name = ocfs2<br>
<br>
<br>
Any help is very appreciated,<br>
Best Regards,<br>
<br>
Emil Noether<br>
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