All explained here: http://pondini.org/TM/12.html
On May 16, 2015, at 11:10 AM, Carl Hoefs <[email protected]> wrote: > >> On May 16, 2015, at 11:03 AM, Carl Hoefs <[email protected]> >> wrote: >> >> OS X 10.10.3 >> >> Why does TimeMachine think it needs to delete old backups? My external 3GB >> drive used for TM backups is nearly empty, with 2.7GB free. In TM >> Preferences it says “The oldest backups are deleted when your disk becomes >> full”, yet after the last backup it deleted 2 ‘expired’ backups. What is >> going on? >> >> May 16 10:45:57 com.apple.backupd[1014]: Starting post-backup thinning >> May 16 10:45:57 kernel[0]: hfs: unmount initiated on Recovery HD on device >> disk0s3 >> May 16 10:46:09 com.apple.backupd[1014]: Deleted /Volumes/Time Machine >> Drive/Backups.backupdb/2015-03-12-151308 (137.9 MB) >> May 16 10:46:15 com.apple.backupd[1014]: Deleted /Volumes/Time Machine >> Drive/Backups.backupdb/2015-04-09-000413 (28.8 MB) >> May 16 10:46:15 com.apple.backupd[1014]: Post-backup thinning complete: 2 >> expired backups removed >> May 16 10:46:15 com.apple.backupd[1014]: Backup completed successfully. >> >> Filesystem 1024-blocks Used Available Capacity iused ifree >> %iused Mounted on >> /dev/disk2s2 2929930664 179088592 2750842072 7% 22386072 343855259 >> 6% /Volumes/Time Machine Drive >> > > Slight clarification to the above. Obviously I meant 3TB drive, and 2.7TB > free. > > Here’s a more complete system.log entry set. You can see that the ‘expired’ > backups are one 1 and 2 months old > > May 16 10:42:05 com.apple.backupd[1014]: Starting automatic backup > May 16 10:42:14 com.apple.backupd[1014]: Backing up to /dev/disk2s2: > /Volumes/Time Machine Drive/Backups.backupdb > May 16 10:42:38 com.apple.backupd[1014]: Will copy (41.6 MB) from Macintosh HD > May 16 10:42:38 com.apple.backupd[1014]: Found 318 files (41.6 MB) needing > backup > May 16 10:42:38 com.apple.backupd[1014]: 4.93 GB required (including > padding), 2.82 TB available > May 16 10:45:41 com.apple.backupd[1014]: Copied 477 items (41.4 MB) from > volume Macintosh HD. Linked 1386. > May 16 10:45:54 com.apple.backupd[1014]: Created new backup: 2015-05-16-104554 > May 16 10:45:57 com.apple.backupd[1014]: Starting post-backup thinning > May 16 10:46:09 com.apple.backupd[1014]: Deleted /Volumes/Time Machine > Drive/Backups.backupdb/2015-03-12-151308 (137.9 MB) > May 16 10:46:15 com.apple.backupd[1014]: Deleted /Volumes/Time Machine > Drive/Backups.backupdb/2015-04-09-000413 (28.8 MB) > May 16 10:46:15 com.apple.backupd[1014]: Post-backup thinning complete: 2 > expired backups removed > May 16 10:46:15 com.apple.backupd[1014]: Backup completed successfully. > > -Carl > > _______________________________________________ > MacOSX-talk mailing list > [email protected] > http://www.omnigroup.com/mailman/listinfo/macosx-talk
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