On Mon, Jan 18, 2016 at 12:25 PM, Alexander Moisseev <mois...@mezonplus.ru> wrote: > On 18.01.16 19:53, Les Mikesell wrote: >> Does anyone understand the docs at >> http://backuppc.sourceforge.net/BackupPC-4.0.0alpha3_doc.html >> for $Conf{FillCycle} ? It looks like expiring is really based on >> 'filled' backups, not necessarily full backups as in v3. The part I >> don't get is that it says the most recent backup is always filled >> whether it is full or incremental. If the most recent is filled, how >> would any ever be unfilled? >> > > In v4 full/incremental related to backup transfer only, filled/unfilled > related to storage. > > Here is a short explanation: > http://backuppc.sourceforge.net/BackupPC-4.0.0alpha3_doc.html#BackupPC-4.0 > > "Backups are stored as "reverse deltas" - the most recent backup is always > filled and older backups are reconstitued by merging all the deltas starting > with the nearest future filled backup and wworking backwards. > > This is the opposite of V3 where incrementals are stored as "forward deltas" > to a prior backup (typically the last full backup or prior lower-level > incremental backup, or the last full in the case of rsync)." > > > So, the latest backup should always be filled, i.e. it actually contains all > files. After the last backup will be taken, files that latest backup > contains will be removed from backups between the last backup and previous > filled backup recursively. Until the last backup was taken, previous backup > was filled, but now it is just "reverse delta".
OK, but then how does that relate to the expiring part - which it says is really based on the filled status? -- Les Mikesell lesmikes...@gmail.com ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 _______________________________________________ BackupPC-users mailing list BackupPC-users@lists.sourceforge.net List: https://lists.sourceforge.net/lists/listinfo/backuppc-users Wiki: http://backuppc.wiki.sourceforge.net Project: http://backuppc.sourceforge.net/