[DRBD-user] question about realtime sync.

[Lars Ellenberg]

/ 2004-07-19 19:07:08 +0800
\ David Huang:
> hi Drbd users,
> 
> my two systems are setup up with fresh Redhat 9.0 + drbd 0.7 final,
> the compilation and config file are good,  and I successfully start up
> drbd service by executing drbdadm command.
> 
> however, i found out even I modify my primary device a lot, my network
> and harddrive do not have ANY read/write activities in peer side,
> unless I execute the "drbdadm invalidate all" command.

how do you measure?

> It makes me wounder does the realtime synchronisation really works or not.

how does /proc/drbd looks like?
do the numbers in ns,nr,dw,dr etc. increase?

> could anyone please help me out? 

do a test failover, and see whats there.

	Lars Ellenberg