12.11.2019 20:34, Ulli Horlacher пишет:
I need a new backup system for some servers. Destination is a RAID, not tapes. So far I have used a self written shell script. 25 years old, over 1000 lines of (HORRIBLE) code, no longer maintenable :-} All backup software I know is either too primitive (e.g. no versioning) or very complex and needs a long time to master it. My new idea is: Set up a backup server with btrfs storage (with compress mount option), the clients do their backup with rsync over nfs. For versioning I make btrfs snapshots. To have a secondary backup I will use btrfs send / receive,
Check my message with subject *"**Read-only snapshot send speed very slow after modify original data. Need help <https://www.spinics.net/lists/linux-btrfs/msg94128.html>*/"./
/Very-very slow send read-only snapshot after modify original rw subvol if compress. In some cases ~8-15 hour per snapshot./
/100cpu load and send only 5-100mb diff./ /There is no reaction /
Any comments on this? Or better suggestions? The backup software must be open source!
-- С уважением, Михаил 067-786-11-75
