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synology to synology sync questions

Posted on 2014-12-26
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Hi, I'm using this article to answer my questions about Rsync but I'm immediately thrown off as the first radio button selection does not select Rsync.  
Don't I want to select Rsync radio button if I want my synology down in SoCal to sync data once a day to for use up in NorCal?  How smart is Rsync?  Can it see what files are written over from where and do bi-directional syncing?  
Can my user accounts and groups sync from Synology device to Synology device somewhat like a simpler version of an AD domain environment?
I noticed DS Photo drops my iPhone photos into \\diskstation\photo.   I'm not sure if I feel comfortable with my photos location on the root of the "photo" folder.   What happens when another user signs in and uses the DS Photo?  Does it dump in the same folder location?
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Question by:snoopaloop
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by:akahan
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Hi - It looks like that instruction page is a bit out of date.  Try going to Backup & Replication in the main menu on the Synology, and go to Shared Folder Sync, and then hit Create,  It'll run you through the wizard, and you'll see what options are available as far as scheduling backups, doing them differentially, etc.

I'm sorry, I don't know the answer to this one:  "Can my user accounts and groups sync from Synology device to Synology device somewhat like a simpler version of an AD domain environment?"  Maybe someone else does.

DSPhoto drops your photos into the home directory of the user whose credentials are being used on DS Photo, IF you have set up the "personal photo station" service.

On the Diskatation, go into PhotoStation, then Settings, then put a check in the checkbox next to "Enable Personal Photo Station service."  If you don't see that option, it's because you haven't given each of your users their own home directory, which you would do by going to Control Panel/User/User Home, end checking the box to enable user home service.
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by:snoopaloop
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I've attached a pic that makes me pause before proceeding with the sync task.  I don't want to create repetitive folders.  Should I delete the folders on the second Synology before proceeding with the sync task?
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by:akahan
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Assuming that there isn't anything in the target folders that isn't in the source folders, yes.
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by:snoopaloop
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Synology support suggested I used cloud station and cloud station client for its ability to sync.  Also, the accounts can't carry over unless you have AD.   I'm still stuck on the photo privileges.  They had place a ticket for a remote session but the holidays has stalled things.
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by:akahan
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Cloudstation is typically used to sync data on the Synology with data on other non-Synology devices (PCs, iPads, etc.)
It's like Dropbox, with the Synology taking the place of the "cloud".
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by:akahan
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I should add to all this that in my experience Synology's built in backup programs (both Time Backup and Backup and Replication) are extremely lame.  The "backup and replication" services are based on rsync, and often abort mid-transfer for no discernable reason.  And, when they fail, the error messages are extremely uninformative.

The solution I ultimately came up with was to use Backup and Replication only for app ("Package")-related data and configuration settings (user accounts, permissions, etc.), and to use the free program "Syncback free" from 2brightsparks to sync data between several diskstations.

This unfortunately requires that you have a PC running 24/7 to run your scheduled syncs, but Syncback free is VERY configurable, and does both one-directional and bi-directional syncing.  And, if for some reason the task doesn't complete, it provides extremely thorough error reporting so you can see exactly what went wrong.

http://www.2brightsparks.com/downloads.html#freeware
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by:snoopaloop
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My buddy suggested I use CrashPlan.  It did not require any additional PCs.  Just the two Synology Disk Stations.  I will back up the user's home folders with Crash Plan to the other Synology and vice versa.  Sounds appealing because it's a encrypted file unlike R-Sync.
I think Cloud Station will come in handy for an all users public folder between the two disk stations or any other user groups where we want to shared the same folder across both Synology's.
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by:snoopaloop
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Hey, I created additional share folders but Cloud Sync by default doesn't allow me to sync them.  Anyway to modify this?
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by:akahan
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Enable them in Cloud Station (in "Sharing"), and set their permissions to be readable and writeable by the users who are syncing to them.
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by:snoopaloop
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I used this link for Crashplan backup from Synology to Synology.  It worked the first night and the process stopped since.


Crashplan 3.6.4

Synology DSM 5.1-5022

I also get an authentication error with the Diskstation client on the other Synology.


My Synology doesn't work with my Boxee Box unless I enabled the guest account but I digress.  There's just a lot of things broken and I think my connection to the internet is significantly slower too but that could be just coincidental.   Can I schedule the syncs at night?
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by:akahan
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You should open a new question for this.
Your original questions were answered, and this thread should be closed.
Hopefully, by posting a new question, you'll attract someone who is familiar with Crashplan. (I'm not.)
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by:snoopaloop
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Eh, I will keep this open considering nothing syncs and no one has a viable solution (for two Synologies syncing) especially in the Synology forums.

http://forum.synology.com/enu/viewforum.php?f=236
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Syncing works a lot better when you fix the bad DSL internet connection for one of the two synology devices.
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by:snoopaloop
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Lots of questions.  Solved a couple on my own.   Ended up using iDrive for backup and limited syncing functionality
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