[DRBD-user] Automatic Primary

Csurai Akos akos.csurai at ericsson.com
Tue Aug 14 10:43:43 CEST 2012

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


Just an idea:
Last time when I see such a situation, someone suggested to print out 
the env ... and there
I could see that the script was running in a wrong path. NFS was 
temporary unavailable and that caused
the script "hanging"


On 08/13/12 23:34, J.R. Lillard wrote:
> I have a three node setup all running Ubuntu 12.04 and DRBD 8.3.11.  I 
> have the drbd service configured to not startup automatically. 
>  Instead I launch it with post-up commands in /etc/network/interfaces 
> via modprobe drbd followed by drbdadm up all.  This works fine.  All 
> three nodes startup and resync after a reboot.  But they are all in 
> the secondary role as expected.  On my primary node I have another 
> interface defined that I use as an NFS target for my ESXi hosts.  I do 
> this so if something happened to the primary node I could manually 
> bring up the secondary node in its place.  The first post-up command I 
> have is drbdadm primary all.  Unfortunately when I reboot the server 
> something about this causes the boot process to hang.  It claims it is 
> waiting for the network to start up.  While it is doing this I can 
> connect into the server just fine remotely but in the end it doesn't 
> execute any of the post-up commands for eth1.  However, I can run each 
> command individually from the command line and they completely quickly 
> and without error.  So for now I have removed those post-up commands 
> and put them in a script I manually run when I reboot the server.  Of 
> course this does me no good if the server is rebooted for some other 
> reason.
> Looking through the syslog I can't seem to find any indication why the 
> drbdadm primary all would fail when it's run at boot time.  Any 
> suggestions?
> -- 
> J.R. Lillard
> System / Network Admin
> Web Programmer
> Golden Heritage Foods
> 120 Santa Fe St.
> Hillsboro, KS  67063

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