What is the difference ?

[ozgurerdogan]

I am using pve-zsync and on wiki page, for syncing a vm between two host, I see two commands,

pve-zsync sync --source 100 --dest 192.168.1.2:tank/backup --verbose --maxsnap 2 --name test1 --limit 512

and also

zfs send rpool/backup/vm-100-disk-1@rep_test100_2015-06-12_11:03:01 | ssh root@192.168.15.1 zfs receive vm/vm-200-disk-1

I want to create tasks and do regular sync between host. One for offsite backup only. So what is the difference?

 

[guletz]

The first can be used if both source and destination are on a PMX server. The second can be used if source or destination are not part of a PMX node/server.

 

[ozgurerdogan]

Can we also say, first one is for SYNCs and second one for COPY whole file ?

 

[guletz]

Can we also say, first one is for SYNCs and second one for COPY whole file ?

NO. The both are do the same: transfer the data from the source to the destination - in fact is a asyncron replication(stream), only the tools are different, nothing else. And is not about copy or sync any kind of file. It will transfer only disk blocks, more like rsync do for files, but insted it use disk blocks.