isplist@xxxxxxxxxxxx wrote:
The scsi_watchdog.conf was added to all of my nodes when I did a yum update on
all nodes connected to this cluster. I'm not even sure why it's in the
/etc/cluster directory and I don't use standard SCSI since I'm using fibre
channel.
I'm now suspecting that what ever this is, it is the cause of my web server
slow down's. I can't seem to find much about this so thought I should ask.
scsi_watchdog.conf is only being used if 1) you use scsi reservations as
a fence method and 2) you explicitly state in a sysconfig file that you
want scsi_watchdog to run. I'm guessing that neither of these apply to
use, and therefore the scsi_watchdog is having no effect. It is disabled
by default.
On Wed, 21 Nov 2007 10:31:32 -0600, Ryan O'Hara wrote:
isplist@xxxxxxxxxxxx wrote:
I didn't notice that something had changed until now after I upgraded all
of
the nodes. I see in /etc/cluster the following;
-rw-r----- 1 root root 1249 Nov 10 18:40 .cluster.conf
-rw-r----- 1 root root 1249 Nov 13 09:50 cluster.conf
-rw-r--r-- 1 root root 34 Aug 30 17:55 scsi_watchdog.conf
Since that update, the web nodes have been VERY slow, sluggish, barely
responding at times to web requests.
Could that be related to this? I am not finding a whole lot about this
on the
net?
What changed?
scsi_watchdog.conf should have no effect. It isn't even uses unless you
configure watchdog (softdog) support for scsi reservations.
Ryan
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