Hi.
I'm trying to set a cobbler cluster (two nodes) and i have a question
about replication architecture. I've read docs and i know that
replication is initiated by "slave" node and could be fired over trigger
from "master".
In my environment i have to do replication as fast as it is possible, so
i don't want to use cron, because in worst case i'll have had one minute
lag.
So far i've tried:
1.on master, script triggered after sync (post-sync) that perform sync
on slave (over xmlrpc)
2. on slave, script that before sync (pre-sync, fired by sync from
master) invoking replication from master
And it doesn't work. Replication process is done without errors, but any
changes from master are not visible until cobbler restart. Maybe it's
because i'm trying to invoke replication from inside of a sync trigger?
Second solution works fine, but i'm not sure about it:
1. On master, script triggered after sync that "curl" script (python
over wsgi on apache) on slave
2. script on slave invoke "cobbler replicate" over "system" function
Is there any docs with patterns how replication should be done? Official
manuals are very pure in this area.
--
Pozdrawiam/Best regards
Tomasz Leśniewski
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