Shared Folder Sync isn't working

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Shared Folder Sync isn't working

13
1
NAS
RS815+, DS216j
So I've set up a Shared Folder Sync from my RS815+ to my DS216j. It worked well for a while but lately, I've found that files aren't being synced. The only way to get the files across is to start a manual full sync. The logs tell me nothing except that a sync was triggered and then immediately finished.

Any ideas about what I may be missing?
 

Rusty

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www.blackvoid.club
NAS
DS412+, DS718+, DS918+, 2x RS3614RPxs+ with expansions
Router
RT1900ac, RT2600ac, MR2200ac
Hmm can't say that I have ever had shared folder sync need, maybe someone else will be of more help here.
 

jeyare

Subscriber
1,586
537
what is the purpose of the Shared folder sync between two NASs? It can help us to find a solution for you
 
417
147
NAS
DS216+II, DS118, DS718+
Router
RT2600ac, MR2200ac
Operating system
Windows
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Maybe try a combination of Drive and CloudStation ShareSync instead? (Synology homedirs can't be synced with this method tough...)

 
13
1
NAS
RS815+, DS216j
what is the purpose of the Shared folder sync between two NASs? It can help us to find a solution for you
Well, I have a Plex server set up on the RS that is my main server. I've set up Shared Folder Sync to sync my Media folder to the DS, which has a secondary Plex install that I was going to utilize while traveling. I was working fine but lately, it has stopped syncing some videos. For a season, it might sync all but 1 or 2 videos.
 
13
1
NAS
RS815+, DS216j
Maybe try a combination of Drive and CloudStation ShareSync instead? (Synology homedirs can't be synced with this method tough...)

I actually tried that first but the sync speed was horrible.
 

jeyare

Subscriber
1,586
537
1. The r-sync task is running within LAN or WAN?
2. What kind of connection (parameters) is between the RS and DS (sync tasks)?
3. Then your problem is based on r-sync option: Run sync on modification?
4. What are resources consumption at the DS site?
 

jeyare

Subscriber
1,586
537
Drive and Cloud station is not right tools for Plex media (even for movies) syncing, specially when you have slow connection with enabled versioning and consistency check, with really small performance at DS216j side.
 
13
1
NAS
RS815+, DS216j
1. The r-sync task is running within LAN or WAN?
2. What kind of connection (parameters) is between the RS and DS (sync tasks)?
3. Then your problem is based on r-sync option: Run sync on modification?
4. What are resources consumption at the DS site?
  1. LAN
  2. IP Address with a sync account and custom SSH port.
  3. I had 'On Modification' selected. Also tried others. Only clicking 'Full Sync' actually syncs everything.
  4. Only Plex. Volume has 26% space left.
 

jeyare

Subscriber
1,586
537
1. & 2. what kind of LAN (wired, what spec., WiFI, what kind of adapters,...) need more detailed answer about RS & DS connection background
4. is there (DS side) a concurrent operation ( Running Syno or 3rd party Apps) during the Sync task? What is the resources consumption during this scenario (CPU, RAM)? Still meaning just the DS site.
 
13
1
NAS
RS815+, DS216j
Sorry, both NAS' are connected via cat6 cable to the same UniFi Switch 8. Throughput via SNMP on the switch is around 50 Mbps at the time of the sync.

There is absolutely nothing else running on the DS. I literally took it out of the box, installed the HDDs, booted it up, went through the configuration wizard, installed Plex, and set up the sync.

At the time of the sync, the DS sits around 60% on CPU and 40% on RAM.
 

jeyare

Subscriber
1,586
537
So, strange. Last try: what kind of users (permissions) do the rsync tasks (RS and DS side)?
 

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