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Forum Discussion
Rsync Remote to local readynas with snapshots on share
Hi All I'm sure this is an FAQ but cant find it anywhere... I am trying to use a RN214 as a backup/archive server. The setup looks like this; Live Server - Allows RSYNC Read for SHARE Re...
Hi StephenB
I was looking at smart snapshots as I'd like to use the auto-trimming feature. User is a photography group who's usage can be very variable to say the least. When they're in normal operation they should get 3 months snapshots at one a night. However if they're busy this could come down to a couple of weeks.
Does the 'retain 3 months of snapshots' option get overridden when the disk becomes full like the smart snapshot feature?
As far as the snapshot folder is concerned I'd like to put it somewhere as they are used to access historical versions via a windows share. (old system which died was rsync + hard link copies overnight in to a dated directory. Snapshots should be better :-)
Thanks
Mark
DOLMark wrote:
When they're in normal operation they should get 3 months snapshots at one a night. However if they're busy this could come down to a couple of weeks.
Three months means three calendar months. It's not possible to get three months worth of snapshots in a couple of weeks.
Not making snapshots when nothing changes can have a similar effect to auto-trim.
DOLMark wrote:
Does the 'retain 3 months of snapshots' option get overridden when the disk becomes full like the smart snapshot feature?
Yes.
DOLMark wrote:
As far as the snapshot folder is concerned I'd like to put it somewhere as they are used to access historical versions via a windows share.
With the settings I posted before you can still access them from windows, but right-clicking on the folder and using the view previous versions function built into windows.
But I think the rsync exclude list or not - I'm not 100% sure, but it's easy to test, so maybe try it and see.
Hi
So to summarise, as I understand it;
- I can set the snapshots to "retain three months worth" and not worry about the disk filling as this is actually "retain up to three months worth if disk space allows. if it doesn't trim oldest snapshots"
- Windows knows how to do a "view previous versions" function. That's cool - Sorry I'm a Mac user :-)
- Thinking that the simplest way to handle the rsync is put it in a sub-directory itself, and sync to that. So the share will look like;
SHARE\backups\users-stuff
SHARE\snapshot\
Which should also keep them happy.
DOLMark wrote:
I can set the snapshots to "retain three months worth" and not worry about the disk filling as this is actually "retain up to three months worth if disk space allows. if it doesn't trim oldest snapshots"
I think of the 90% auto-trim as a "circuit breaker" that protects my NAS from overload. I don't think it's wise to use it routinely.
If you set up email alerts (which you should) you will get emails as the volume fills. I think it's better to trim the retention back if you are finding that the snapshots are taking too much space.
DOLMark wrote:
SHARE\backups\users-stuff
SHARE\snapshot\
I'm not getting this organization, but if it works for your users then it's likely fine.
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