On Sep 25, 2010, at 7:42 PM, "Edward Ned Harvey" <sh...@nedharvey.com> wrote:
>> From: opensolaris-discuss-boun...@opensolaris.org [mailto:opensolaris- >> discuss-boun...@opensolaris.org] On Behalf Of Roy Sigurd Karlsbakk >> >> I'm using a custom snaopshot scheme which snapshots every hour, day, >> week and month, rotating 24h, 7d, 4w and so on. What would be the best >> way to zfs send/receive these things? I'm a little confused about how >> this works for delta udpates....... > > Out of curiosity, why custom? It sounds like a default config. > > Anyway, as long as the present destination filesystem matches a snapshot from > the source system, you can incrementally send any newer snapshot. Generally > speaking, you don't want to send anything that's extremely volatile such as > hourly... because if the snap of the source disappears, then you have > nothing to send incrementally from anymore. Make sense? It is relatively easy to find the latest, common snapshot on two file systems. Once you know the latest, common snapshot, you can send the incrementals up to the latest. > > I personally send incrementals once a day, and only send the daily > incrementals. For NexentaStor customers, the auto-sync service manages this rather well. -- richard _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
