Hello, today I re-enabled the backups on the "old" backup server and set BackupsDisable=1 on the new server. Just a few minutes later the used space dropped from 20TB to 1,5TB. Here is the line from the Status page:
Pool file system was recently at 8% (2019-05-14 14:20), today's max is 93% (2019-05-14 12:37) and yesterday's max was 83%. How can this behavior be explained? Yours sincerely Stefan Am Montag, den 13.05.2019, 15:57 +0000 schrieb Stefan Schumacher: > Hello, > > In one of my last posts I described our new backup system. It has > 22TB > netto storage capacity and it is storing backups for 64 hosts of > which > only six have a size of slightly over 100GB. Nearly all hosts are > Debian Webservers (Jessie and Stretch), so there should be a lot of > shared files in the pool. The average host has a size of around 30GB. > I > checked the system after the weekend and was shocked to see that 16 > of > the 22TB had been filled in the last couple of days! I still believe > that there must be something that is not running as it should. Our > old > BackupPC 3 server ran for 1600 days with a 2TB drive and stored about > 2/3 of the hosts now on the new server. A lot of the data was long- > term-backups, which have not yet been saved on the new host. I can't > believe that there has been such a huge loss of efficiency between > the > version. How do you interpret the data which now follows? > > Im going to show you the output of the graphs and backuppc itself and > then will show the example of one anonymized host. As I said before, > df > shows 16 of 22TB in use. > > > Status: > Pool is 1921.51GiB comprising 7898759 files and 16512 directories (as > of 2019-05-12 01:03), > Pool file system was recently at 78% (2019-05-13 17:20), today's max > is > 78% (2019-05-13 16:47) and yesterday's max was 52%. > > BackPC Pool Size according to the Graphs. > CPool V4 in bytes: Maximum 2,49T > Prior to pooling and compression: Maximum 10,69T > > Host Summary: > 86 full backups of total size 1783.47GiB (prior to pooling and > compression), > 382 incr backups of total size 9098.42GiB (prior to pooling and > compression). > > What follows is the sanitized output of one of the larger hosts > > Backup# Type Filled Level Start > Date Duration/mins Age/day > s Server Backup Path > 1 incr no 1 2019-05-01 22:05 23.4 11.8 > /var/lib/backuppc/pc/XXX.netfed.de/1 > 2 incr no 1 2019-05-02 22:00 5.3 10.8 > /var/lib/backuppc/pc/XXX.netfed.de/2 > 3 incr no 1 2019-05-03 22:00 7.5 9.8 > /var/lib/backuppc/pc/XXX.netfed.de/3 > 4 incr no 1 2019-05-04 22:00 7.0 8.8 > /var/lib/backuppc/pc/XXX.netfed.de/4 > 5 incr no 1 2019-05-05 22:00 10.8 7.8 > /var/lib/backuppc/pc/XXX.netfed.de/5 > 6 incr no 1 2019-05-06 22:00 6.8 6.8 > /var/lib/backuppc/pc/XXX.netfed.de/6 > 7 full yes 0 2019-05-08 00:30 778.8 5.7 > /var/lib/backuppc/pc/XXX.netfed.de/7 > 8 incr yes 1 2019-05-09 02:53 23.9 4.6 > /var/lib/backuppc/pc/XXX.netfed.de/8 > > > Totals Existing Files New Files > Backup# Type #Files Size/MiB MiB/sec #Files Size/MiB > #Files Size/MiB > 1 incr 2339383 80193.3 > 57.04 16 16.4 25 3074.3 > 2 incr 2339355 80232.3 > 253.10 30 5.5 162 4091.2 > 3 incr 2339395 80299.5 > 178.05 39 21.5 169 4239.5 > 4 incr 2339398 80331.2 > 190.36 35 18.7 91 4132.5 > 5 incr 2339394 80362.6 > 123.44 25 1.2 90 4175.8 > 6 incr 2339381 80395.0 > 195.61 32 11.3 155 4217.8 > 7 full 2339423 80582.6 > 1.72 13 10.6 231 4403.7 > 8 incr 2339467 80603.5 > 56.17 16 0.0 90 3273.1 > > Existing Files New Files > Backup# Type Comp Level Size/MiB Comp/MiB Comp > Size/MiB Comp/MiB Comp > 1 incr 3 16.4 5.4 67.1% 3074.3 280.1 90.9% > 2 incr 3 5.5 2.2 60.1% 4091.2 437.2 89.3% > 3 incr 3 21.5 7.3 66.0% 4239.5 509.1 88.0% > 4 incr 3 18.7 6.6 64.7% 4132.5 428.8 89.6% > 5 incr 3 1.2 1.2 5.3% 4175.8 435.8 89.6% > 6 incr 3 11.3 4.3 61.8% 4217.8 447.4 89.4% > 7 full 3 10.6 3.8 64.2% 4403.7 535.0 87.9% > 8 incr 3 0.0 0.0 51.5% 3273.1 273.8 91.6% > > > Yours sincerely > Stefan Schumacher > > > Stefan Schumacher > Systemadministrator > > NetFederation GmbH > Sürther Hauptstraße 180 B - > Fon: +49 (0)2236/3936-701 > > E-Mail: stefan.schumac...@net-federation.de > Internet: http://www.net-federation.de > Besuchen Sie uns doch auch auf facebook, twitter, Google+, flickr, > Slideshare, XING oder unserem Blog. 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