Re: rsync of big image files from virtual hosts takes lot of time

2018-10-21 Thread Lentes, Bernd via rsync
to speak rsync (either over ssh or with > rsyncd) or just use cp. Only copying the changes isn't all that helpful > when rsync has to read the whole target file over the network just to > find out what is different about it. That is why --whole-file is > implied when rsync isn

Re: rsync of big image files from virtual hosts takes lot of time

2018-10-20 Thread Lentes, Bernd via rsync
- Am 20. Okt 2018 um 18:56 schrieb rsync ML rsync@lists.samba.org: > First, add --stats to find out how much is being transferred. Second, > if these are fixed size or sparse image files then --sparse will be a > big help. Finally, if they are not fixed size or sparse then --inplace > is

rsync of big image files from virtual hosts takes lot of time

2018-10-20 Thread Lentes, Bernd via rsync
Hi, i'd like to rsync some image files from virtual hosts each night. The image files are between 50GB and 400GB big. I thought rsync would be the appropriate solution because it just transfers the differences, not the whole file. But nevertheless rsync takes hours. The images aren't much modifi

Re: rsync of a reflink from OCFS2

2018-03-14 Thread Lentes, Bernd via rsync
no backup - no mercy - On Mar 14, 2018, at 2:19 PM, Ben RUBSON ben.rub...@gmail.com wrote: > On 14 Mar 2018, Lentes, Bernd via rsync wrote: > >> I would now expect a rsync from the snap would transfer just some megay >> bytes to the file from the day before. >>

rsync of a reflink from OCFS2

2018-03-14 Thread Lentes, Bernd via rsync
Hi, i have some virtual machines running on logical volumes formatted with OCFS2. I'd like to snapshot the running guests to backup them easily afterwards. The files of the guests are big (100 - 300GB), but the content changes only slowly. So i thought that rsync would be a great benefit because