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Forum Discussion
Help on rsync between 2 Readynas Duo
Hi, I have a problem to backup one ReadyNas Duo to another one using Rsync. When I launch the backup, I got the task running without ending but no file is copied. The rsync works in on way but not ...
I can now answer my own questions. The 1TB backup took over 7 days. Do it with something else, such as Windows and then let the unit take care of its own incrementals. NFS may help. I never tried it since I was afraid to interrupt the backup. Thank goodness, it stayed cool enough here to let me continue backing up all my data for an entire week+.
Q1: If you stop the backup, it will delete the currently in progress file. The file is named without filename, then dot, then some unique characters. It is renamed upon successful file transfer. They did that one right.
Q2: I stopped the backup, found the answer to Q1 and finished it by driving it from Windows and getting 10 times the speed. RSync is doing the daily incremental.
Q3: Only use 1 NFS thread to eliminate head thrashing. There is no need to do more than 1 and it will run faster with only 1. Not sure about fragmentation but running 2 would increase it, if it happens.
Be sure to setup your login user names before setting up the RSync name/userid pair or you cannot create the username until the backup is finished and you remove the RSync username, create your login username, then put back the RSync username. That's a bug as I see it but as long as it is done in order, no problem. I just wanted access to I could see what was going on during the week long wait. But the Volumes tab showed me that all was probably OK.
This was actually rather painless except for the long wait...
Mike
Q1: If you stop the backup, it will delete the currently in progress file. The file is named without filename, then dot, then some unique characters. It is renamed upon successful file transfer. They did that one right.
Q2: I stopped the backup, found the answer to Q1 and finished it by driving it from Windows and getting 10 times the speed. RSync is doing the daily incremental.
Q3: Only use 1 NFS thread to eliminate head thrashing. There is no need to do more than 1 and it will run faster with only 1. Not sure about fragmentation but running 2 would increase it, if it happens.
Be sure to setup your login user names before setting up the RSync name/userid pair or you cannot create the username until the backup is finished and you remove the RSync username, create your login username, then put back the RSync username. That's a bug as I see it but as long as it is done in order, no problem. I just wanted access to I could see what was going on during the week long wait. But the Volumes tab showed me that all was probably OK.
This was actually rather painless except for the long wait...
Mike
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