[Zope] zope and replication

Toby Dickenson tdickenson at geminidataloggers.com
Sat Sep 6 14:29:02 EDT 2003


On Friday 05 September 2003 21:09, Dieter Maurer wrote:

> You may look at "DirectoryStorage" and some script
> "repozo" (or similar). Both can replicate the ZODB efficiently
> but mainly for backup purposes and not for hot-standby

DirectoryStorage works fine for hot standby, provided:
1. its ok for the secondary to be read-only when it takes over.
2. you dont mind a manual process for moving changes made on the secondary 
back onto the primary before bringing it back up.

(if this isnt ok, you are really looking at a multi-master system which, I 
think, doesnt exist for zodb yet.)

-- 
Toby Dickenson




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