Re: DRBD failover issue, kernal panic no init found

Are you using drbd-ssi (openSSI modified drbd) and have enabled
SSI-failover service?

If you like to try the latest drbd-ssi I'll be making a drbd-ssi
tarball based on drbd-0.7.20, hopefully sometime this week.

Roger


On 7/6/06, Vijay Swami <[email protected]> wrote:
> Pertinent details:
>  * 2 node cluster
>  * RHEL3
>  * Kernel/OpenSSI ver: 2.4.21-27.0.2.EL_ssi_2 (install from RPM)
>  * drbd version 0.7.11 (api:77)
>  * SunFire X4100 2 CPU AMD Opteron hardware
>
> drbd.conf snippet:
>
>  on host1 {
>     device     /dev/drbd/0;
>     disk       /dev/sda2;
>     nodenum    1;
>     address    192.168.1.1:7788;
>     meta-disk  /dev/sda3[0];
>
>
>   on host2 {
>     device    /dev/drbd/0;
>     disk      /dev/sda2;
>     nodenum   2;
>     address   192.168.1.2:7788;
>     meta-disk /dev/sda3[0];
>
> /etc/fstab:
>
> /dev/drbd/0 / ext3 defaults,chard,errors=remount-ro,node=1:2 0 1
> /dev/sda1 /boot ext3 defaults,node=1:2 1 2
> none    /dev/pts        devpts  gid=5,mode=620,node=*   0       0
> none    /proc   proc    defaults,node=* 0       0
> #none                    /dev/shm                tmpfs   defaults
> 0 0
>
> df output:
>
> Filesystem           1K-blocks      Used Available Use% Mounted on
> /dev/1/drbd/0         10080520   2329744   7238708  25% /
> /dev/1/sda1             248895     61612    174433  27% /boot
>
> The root file system is configured with DRBD, and working great. Each
> node can act as an init node when booted up individually. The other node
> joins the cluster, and things work great.
>
> However, I'm having trouble with the failover.
>
> If I 'unplug' the master node, the slave recognizes the master has gone
> down, and attempts to take over. It prints DRBD timeout messages to the
> console (as expected), then:
>
> ipcnameserver ready
> Kernel Panic: no init found. Cannot restart
>
> .. and then it reboots.
>
> I have a feeling its something fairly simple here, as DRBD itself works
> fine when the nodes are booted. I'm assuming its looking for /sbin/init
> to start on the slave node but can't find it? I don't know why since
> DRBD itself works on either node acting as an init node when they are
> booted regardless of sequence.
>
> Any ideas?
>
> Thanks.
>
> /vijay
>
> Using Tomcat but need to do more? Need to support web services, security?
> Get stuff done quickly with pre-integrated technology to make your job easier
> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
> http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642
> _______________________________________________
> Ssic-linux-users mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/ssic-linux-users
>

Using Tomcat but need to do more? Need to support web services, security?
Get stuff done quickly with pre-integrated technology to make your job easier
Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
http://sel.as-us.falkag.net/sel?cmd=lnk&kid=120709&bid=263057&dat=121642