df -h Filesystem Size Used Avail Use% Mounted on . /dev/sdc7 28G 6.1G 21G 24% /mnt1 /dev/sdc8 28G 6.7G 20G 26% /mnt2 . # rsync -aHAX /mnt1/ /mnt2/ . After it I get: . # df -h Filesystem Size Used Avail Use% Mounted on /dev/sda1 50G 44G 3.5G 93% /mnt1 /dev/sdb1 50G 43G 3.7G 93% /mnt2 . # df Filesystem 1K-blocks Used Available Use% Mounted on /dev/sda1 51475068 45240120 3613508 93% /mnt1 /dev/sdb1 51475068 45034476 3819152 93% /mnt2 . tune2fs gives: . # tune2fs -l /dev/sda1 Free blocks: 1558737 Free inodes: 3260644 Lifetime writes: 25 GB . # tune2fs -l /dev/sdb1 Free blocks: 12855468 Free inodes: 3276789 [Lifetime writes absent] . So, after changing rsync options, the "clone" has more freespace, rather than less, and massively more free blocks. This suggests to me sparse files are now
Istvan Gabor composed on 2017-06-14 19:12 (UTC+0200): . the primary difference, whereas before it was not preserving of hardlinks. Secondarily it looks like access time overhead is not preserved by the selected rsync options. When I want a clone, I clone (raw sector copy), immediately followed by 'tune2fs -U random -L <newlabel>' to unique the clone's UUID and volume label, and reconfiguring bootloader and fstab(s) if applicable. -- "The wise are known for their understanding, and pleasant words are persuasive." Proverbs 16:21 (New Living Translation) Team OS/2 ** Reg. Linux User #211409 ** a11y rocks! Felix Miata *** http://fm.no-ip.com/ -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org To contact the owner, e-mail: opensuse+owner@opensuse.org