RE: 11gR2 RAC Network Failure - Timeout
- From: D'Hooge Freek <Freek.DHooge@xxxxxxxxx>
- To: "phil@xxxxxxxxxx" <phil@xxxxxxxxxx>, "puravc@xxxxxxxxx" <puravc@xxxxxxxxx>
- Date: Mon, 6 Feb 2012 19:28:32 +0100
Hi,
I think that sets only the interconnect timeout, not the vip timeout.
On linux the vip connectivity is checked by using ethtool (or mii-tool on older
linux versions) to verify the status of the network port. If ethtool reports
that the link is down a ping is done to the public gateway. If the ping test
fails two times, the failover is initiated.
Looking at the script, I think the timeout of the ping is set to 1 second (-w
1 -c 1).
The script responsible for the vip test is $ORACLE_HOME/bin/racgvip (where
$ORACLE_HOME is the GI home, not the db home).
On linux this is just a shell script, so you can modify it to change the number
of retries.
But I can't directly find where the sleep time between two vip checks is
defined.
Regards,
Freek D'Hooge
Uptime
Oracle Database Administrator
email: freek.dhooge@xxxxxxxxx
tel +32(0)3 451 23 82
http://www.uptime.be
disclaimer: www.uptime.be/disclaimer
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On
Behalf Of Phillip Jones
Sent: maandag 6 februari 2012 16:13
To: puravc@xxxxxxxxx
Cc: oracle-l@xxxxxxxxxxxxx
Subject: Re: 11gR2 RAC Network Failure - Timeout
Hi,
To view the timeout:
crsctl get css misscount
To set it:
crsctl set css misscount 45
"crsctl get css" will give you other possible settings that are
viewable/settable.
Note that Oracle advise to not set misscount to a value lower than 30
seconds.
Hope that helps,
Phil
On Mon, Feb 6, 2012 at 2:36 PM, Purav Chovatia <puravc@xxxxxxxxx> wrote:
>
>
> Is there any crsctl (crsctl status resource ora.net1.network -f does not
> show) or srvctl or any other command to display this timeout?
> Is this timeout modifiable? i.e. can the VIP be made to failover sooner to
> the surviving node?
>
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