Question Drive ShareSync - client vs. server

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Question Drive ShareSync - client vs. server

10
2
NAS
DS213j, DS115j
Operating system
  1. Windows
Mobile operating system
  1. Android
Hi,

I've started using Drive ShareSync to keep a few shared folders on two NAS's in sync, as offsite replicas of each other.
Essentially I'm looking to do something like this:

DS213j DS115j
Folder A -> Folder A
Folder B <- Folder B
Folder C <- Folder C

My question is:
Is there any functional difference between which NAS in this setup acts as the ShareSync client vs. the server?
ie. Scenario A: DS213j (client) uploads Folder A to DS115j (server)
vs. Scenario B: DS115j (client) downloads Folder A from DS213j (server)

Two of the directories being synced contain a small number of large files (8 x ~80GB files) that rotate once a week. As a result, there seems to be quite a lot of CPU work involved on the client side when a new file needs to be synced.
Given that neither of the NAS's in question is very powerful it could save a lot of time to have this configured the 'correct' way around.

Thanks.
 

jeyare

Subscriber
1,614
544
Q:
Is there any functional difference between which NAS in this setup acts as the ShareSync client vs. the server?
A:
YES, for mentioned plan you need setup each NAS as the independent ShareSync server (replica purposes)
NO, when you need just two-way sync of same folders between two NASes (collaborative purposes)

An example, when your Primary NAS is DS213j.
You need:
1. connect to your second NAS (DS115j) from the Syno Drive ShareSync (Add a new NAS)
2. setup Folder/s for the Sync services from the DS115j to your DS213j
3. setup Permission Settings: Download data from the remote Synology Drive ...

then you will get Replica from your remote NAS, follow your Folder/File filter setup.
For the second replica scenario just replace the NAS roles.



1593079163972.png
 
1,106
362
NAS
DS418play, DS213j, DS3621+, DSM 7.0.4-11091
Just FYI... you show these as one-way syncs... if that is all that is needed "Shared Folder Sync" would serve this need without involving Synology Drive Server.
 
10
2
NAS
DS213j, DS115j
Operating system
  1. Windows
Mobile operating system
  1. Android
Q:
Is there any functional difference between which NAS in this setup acts as the ShareSync client vs. the server?
A:
YES, for mentioned plan you need setup each NAS as the independent ShareSync server (replica purposes)
NO, when you need just two-way sync of same folders between two NASes (collaborative purposes)

An example, when your Primary NAS is DS213j.
You need:
1. connect to your second NAS (DS115j) from the Syno Drive ShareSync (Add a new NAS)
2. setup Folder/s for the Sync services from the DS115j to your DS213j
3. setup Permission Settings: Download data from the remote Synology Drive ...

then you will get Replica from your remote NAS, follow your Folder/File filter setup.
For the second replica scenario just replace the NAS roles.

I understand that this falls under 'replica purposes' and so two way sync is not required.
However I'm still not sure how this should be configured for a one way sync.
If we take this example, where Folder A exists on my 213 and I want it replicated to my 115:
DS213j DS115j
Folder A -> Folder A

Which is better:
213 (client) uploads to 115 (server)
115 (client) downloads from 213 (server)

Or are they identical?

Just FYI... you show these as one-way syncs... if that is all that is needed "Shared Folder Sync" would serve this need without involving Synology Drive Server.

Interesting that you should mention Shared Folder Sync...
I was using that initially, but I found that the sync job messed with permissions on the target folder. That is why I started using Drive ShareSync instead as it doesn't seem to impact the permissions of the shared folders.
I made a thread about it, here.

Thanks both!
 

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