Hyper Backup rotation of backups troubles

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Hyper Backup rotation of backups troubles

171
23
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DS918+
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I have a Hyper Backup to a Local Storage USB. I run it nightly and I want to it to rotate but not keep far too many versions of my files. I'm using Smart Recycle and as the 8TB drive was filling up it became clear 256 versions was madness. So I set it to 12 versions, which is more than enough, but I couldn't run the backup for a week or so - I assume while it cleaned out the excess versions. But still the drive is near 90% capacity so I've dropped versions down to 5 which seems plenty for me. Still the drive is at 90%.

And now when I look at the Version List there are only six entries and the Backup Explorer only goes back six days.

This is not how I read and understand the settings. I haven't touched most of the files being backed up and there will only be a single backup version of those. So there must be a copy of 'firstfile.txt' backed up six moths ago. But I'm not able to go back six months to see if that file exists.

Clearly this is a combination of poor documentation / translation and my comprehension skills. Who can explain what's happening?

What I do have and understand is ChronoSync running backups on my Macs. It 'archives' and keeps three versions of files which have changed or been deleted and hangs on to them for a year (my settings). So I can easily find 'firstfile.txt' from six months ago and if that's the wrong version go back to last year. I thought I had Hyper Backup set to do the same...
 

fredbert

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Here is my rotation schedule for a daily task (personally I think that one year of versions, with compression, should be enough)...
1632818812048.png

With customised retention of:
1632819173086.png


You might have to go into the task's backup history and delete some older version points.
 
171
23
NAS
DS918+
Operating system
  1. macOS
Mobile operating system
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Here is my rotation schedule for a daily task

Thanks, quick question while I digest that. Why 23 kept versions? How / why did you come up with that number. As I say, I have ChronoSync keep three versions. 23 seems either a random number or there's a Very Good Reason for it!
 

fredbert

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It’s basically trying to keep:
  • 7 daily
  • 4 weekly
  • 12 monthly
Though day 7 maybe considered week 1, and week 4 might be month 1. So could lose a few versions. Anyway it’s what I decide was more than enough. If I start to run out of space then I will trim it.
 
286
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Last edited:
I do keep 7 days, then a end of each weekly backup +4, full year end of each month + 12
7+4+12 = 23
Plus the end of the year backup for as many years as needed.

I can go back to each day for the last week, each end of the week for last month and each last day of the month this year.
Deduplication saves storage space.

sorry for the double information was typing during Fredberts post :)
 
297
174
NAS
RS1221+, DS1517+, RS819, RS217
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Backup 1 day a week, 17 versions & 12 weeks. I have 3 instances of this running across 3 NASes, on different days, so effectively 3 backups a week. I'd set my backups to run once every 2 weeks if I could.

 2021-09-28 at 17.08.50.png
 
171
23
NAS
DS918+
Operating system
  1. macOS
Mobile operating system
  1. iOS
While I still try and get my head around versions and rotations I'm doing a check of what I'm backing up and how much space I'm using.

So how do I get DSM to tell me how much space a directory is using (GUI please!). I'm backing up 'homes' to my USB drive. Control Panel -> Shared Folder tells me its a 1.7 TB directory. How can I find the size of the individual directories for each users' home? File Station only shows me the size of documents, not directories.

Thanks.
 

fredbert

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Have you used Storage Analyzer?
 

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