On 12/09/2009 02:25 AM, Shane Hathaway wrote: > Christian Theune wrote: >> Not exactly: it's still a good idea to store away deltas as single large >> files are still hard to deal with except if you have really good >> block-level de-duplication in your filesystem. (Uhmm. I guess ZFS >> probably has all of that. It also probably serves my dinner.) > > I would run rdiff-backup on the snapshot. Quoting the rdiff-backup > feature list: > > "Space efficient: Suppose you have a large database file that changes a > little bit every day. A normal incremental backup would keep saving copy > after copy of this database, wasting a lot of space. rdiff-backup uses > librsync, which implements the same efficient diffing algorithm that > rsync uses. It works on binary files as well as text, so only a fraction > of the data in your database would be saved in each incremental backup." > > http://rdiff-backup.nongnu.org/
Interesting. AFAIK this is already in place in our backup scheme. As I haven't put it there I wasn't conciously aware of that detail though. :) -- Christian Theune · c...@gocept.com gocept gmbh & co. kg · forsterstraße 29 · 06112 halle (saale) · germany http://gocept.com · tel +49 345 1229889 0 · fax +49 345 1229889 1 Zope and Plone consulting and development _______________________________________________ For more information about ZODB, see the ZODB Wiki: http://www.zope.org/Wikis/ZODB/ ZODB-Dev mailing list - ZODB-Dev@zope.org https://mail.zope.org/mailman/listinfo/zodb-dev
