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Forum Discussion
Remote back up after local backup
We have a ReadyNas Duo V2 in our office and we want to:
A: Backup all our files from our other NAS box (Synology DS414) to it across our network.
B: Install it in a remote location and use it as a remote backup device from that point forward.
C: Sync devices in both directions so we can remotely access the ReadyNas for remote file access.
Both devices have latest operating systems installed.
Is this possible and how do we achive it - any help welcome!
Thanks in advance
Jeff Riley
6 Replies
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jaffster65 wrote:
C: Sync devices in both directions so we can remotely access the ReadyNas for remote file access.
This is the difficult one - there is no 2-way sync app for your NAS. You could perhaps run a sync program on a PC, mapping the NAS to a drive letter???
Of course if you are syncing, then that becomes the mechanism for (b)
jaffster65 wrote:
We have a ReadyNas Duo V2 in our office and we want to:
A: Backup all our files from our other NAS box (Synology DS414) to it across our network.
B: Install it in a remote location and use it as a remote backup device from that point forward.
The usual approach is to use the built-in backup jobs, using rsync as the protocol. You can set this up to run over the internet, but a VPN tunnel between the locations is another possibility (and might be generally useful).
Tnaks for this Stephen. Hear what you are saying about 2 way sync - think we are being too ambitious.
Does what we are trying to do backing up the drive locally then taking it offsite and making the backup remote make sense? I'm just not sure how the remote backup will realise it only needs to incementally back up files from that point on.
Cheers
Jeff
jaffster65 wrote:
Does what we are trying to do backing up the drive locally then taking it offsite and making the backup remote make sense? I'm just not sure how the remote backup will realise it only needs to incementally back up files from that point on.
Certainly it makes sense, but you are right in thinking that the backup might decide it needs to do a full backup when you edit the remote machine name.
If you are over-the-internet, then you'd likely be using ddns or dns to reach the remote router. If you first set it up so that the ddns/dns record reaches the local NAS then you could preserve the backup job settings. If the ReadyNAS is running the backups, then you'd be setting up the ddns/dns to reach the synology.
Then refresh the record so it uses the synology internet IP instead of the local lan IP.
- Doesn't BitTorrent Sync allow two ways sync?
The app is available onboth ReadyNAS and Synology.
But, two sync is NOT a backup! If you delete a file, or overwrite a file on one side, you sync it to the other side. Imho, it's actually more dangerous to sync two locations (and having no backup) than having no "backup" at all. Because if one side gets compromised (CryptoLocker), deleted or corrupt (in some certain ways), the same will happen to the other side, so you increase the chances of it happening.
Regardless of that, I believe you should always have an external true backup ;)
omicron_persei8 wrote:
Doesn't BitTorrent Sync allow two ways sync?
The app is available onboth ReadyNAS and Synology.It's not available on his duo v2s. Though I suspect it could be manually installed with ssh.
omicron_persei8 wrote:
But, two sync is NOT a backup! ... Imho, it's actually more dangerous to sync two locations (and having no backup) than having no "backup" at all.I agree, the effect of 2-way sync is simply to increase the attack surface from one device to two devices.
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