[Linux-HA] Failover not happening.

[Andrew Beekhof]

On 10/4/07, nasar sherieff <shenasar at yahoo.com> wrote:
> I have two node cluster as active/passive setup.
>
> two nodes are connected through Lan. There is a serial
> connection between these two nodes.
>
> OS: Fedora core 7
> s/w: heartbeat-2.0.8-1.fc7, drbd-8.0.6-3(RPMS)
> Stonith not configured.

bad idea

> Cluster nodes: master and slave1
>
>
> Problem:
> When I disconnect network cable of master node,
> failover is not happening.

because heartbeat can still see the other side via the serial cable

you need to read up on ipfail

> heartbeat still running
> with the resources up. drbd show primary/unknown.
> slave1 node shows secodary/unknown.
>
> Failover happening only when master node properly
> shutting down or heartbeat service stopped.
>
>
> Please let me know how to solve this failover issues
> when network not available, but machine is up.
>
>
> My configuration:
>
> /etc/ha.d/ha.cf
> --------------------
> logfile /var/log/ha-log
> logfacility     local0
> keepalive 1
> deadtime 30
> warntime 10
> initdead 60
> serial /dev/ttyS0
> bcast eth0
> ping 192.168.2.2
> auto_failback yes
> node master slave1
> crm no
>
>
>
> /etc/ha.d/haresources
> ----------------------
> master drbddisk::drbd0
> Filesystem::/dev/drbd0::/data::ext3 192.168.2.3 smb
>
>
>
> /etc/drbd.conf
> ---------------------
> global {
>         usage-count yes;
> }
>
> resource drbd0 {
>   protocol C;
>   handlers {
>     pri-on-incon-degr "echo o > /proc/sysrq-trigger ;
> /sbin/shutdown -h";
>     pri-lost-after-sb "echo o > /proc/sysrq-trigger ;
> /sbin/shutdown -h";
>     local-io-error "echo o > /proc/sysrq-trigger ;
> /sbin/shutdown -h";
>     outdate-peer
> "/usr/lib/heartbeat/drbd-peer-outdater";
>   }
>   startup {
>     degr-wfc-timeout 120;    # 2 minutes.
>   }
>   disk {
>     on-io-error   detach;
>   }
>   net {
>     timeout 120;
>     connect-int 20;
>     ping-int 20;
>     max-buffers     2048;
>     max-epoch-size  2048;
>     ko-count 30;
>     cram-hmac-alg "sha1";
>     shared-secret "FooFunFactory";
>   }
>   syncer {
>     rate 10M;
>     al-extents 257;
>   }
>
>   on master {
>     device     /dev/drbd0;
>     disk             /dev/sda2;
>     address   192.168.2.9:7788;
>     meta-disk  internal;
>   }
>   on slave1 {
>     device    /dev/drbd0;
>     disk      /dev/sda2;
>     address   192.168.2.8:7788;
>     meta-disk internal;
>   }
> }
>
>
>
>
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>
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