[DRBD-user] A few questions :)

Pierre Ancelot pierre at bostoncybertech.com
Mon Jan 9 18:19:01 CET 2006

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


Thanks, will have a look :)


On Mon, 2006-01-09 at 12:14 -0500, Chip Burke wrote:
> **** after a reboot of my secondary server (replicate) i get
> secondary/primary in /proc/drbd. Isn't supposed to be secondary/secondary ?
> 
> No, it will pop back on as the secondary just as you would expect. However,
> if there was a heartbeat failover, heartbeat will set the secondary to
> primary and the failed server will come back up as the secondary.
> 
> **** NFS works, i got the share working but i am lost with something about
> the failover.
> on the primary server, i got /dev/drbd0 mounted as /share/spool0/data/
> which i share then... but this directory doesn't exists in the secondary
> server (I followed an how-to) i guess i should create it and tell
> heartbeat to mount automaticaly the file and share it then, i don't
> really know if this theory is good, sounds logical to me.
> 
> 
> The drbd device will only be usable if the original fails and the secondary
> is set to primary. If they were both writable/readable you would get out of
> sync and have corrupt data, therefore only the partition on the primary can
> be mounted. Read this doc:
> 
> http://www.linux-ha.com/DataRedundancyByDrbd
> 
> Pay special attention to the section called Unattended Mode which shows how
> to do an automated failover and mount using drbd and heartbeat.
> 
> 
> 
> ________________________________________
> Chip Burke
> ________________________________________
> 
> 
> -----Original Message-----
> From: drbd-user-bounces at lists.linbit.com
> [mailto:drbd-user-bounces at lists.linbit.com] On Behalf Of Pierre Ancelot
> Sent: Monday, January 09, 2006 12:06 PM
> To: drbd-user at linbit.com
> Subject: [DRBD-user] A few questions :)
> 
> Hi everyone, here are a few questions.
> I have setup drbd/nfs/heartbeat but for example, after a reboot of my
> secondary server (replicate) i get secondary/primary in /proc/drbd.
> Isn't supposed to be secondary/secondary ?
> 
> NFS works, i got the share working but i am lost with something about
> the failover.
> on the primary server, i got /dev/drbd0 mounted as /share/spool0/data/
> which i share then... but this directory doesn't exists in the secondary
> server (I followed an how-to) i guess i should create it and tell
> heartbeat to mount automaticaly the file and share it then, i don't
> really know if this theory is good, sounds logical to me.
> 
> Thanks for your help...
> Pierre
> 
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> drbd-user at lists.linbit.com
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> 
> 
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