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Forum Discussion
TheDoctor165
Jul 05, 2017Aspirant
Migrating From Windows Home Server: Questions
I have been a Windows Home Server user since circa 2007 with a HP MediaSmart Multimedia Server and later a HP DataVault Server. The nice thing about both of these is the console software was very tr...
- Aug 03, 2017
TheDoctor165 wrote:
If I have share folder "bu" that backs up all backups nightly and a subfolder under "bu" called "buimages" can I set up a snapshot schedule that both saves the entire "bu" share nightly, but also the "buimages" weekly?
No. Snapshots apply to the BTRFS subvolume, and the "bu" share is the relevant subvolume. So if you want a different snapshot schedule for the buimages folder it needs to be it's own independent share.
However, if buimages is only updated weekly, you can use a daily snapshot schedule. Snapshot space only grows when files in the main share change, so if the images are updated weekly, the snapshot space needed for those images will also grow weekly. For your specific use case, the snapshot space for images grows when Microsoft Backup deletes the current backup.
TheDoctor165
Aug 03, 2017Aspirant
The snapshot idea is a good suggestion. I keep all backups in a separate folder. I keep PC image backups in their own subfolder under "bu." Question: If I have share folder "bu" that backs up all backups nightly and a subfolder under "bu" called "buimages" can I set up a snapshot schedule that both saves the entire "bu" share nightly, but also the "buimages" weekly? Or will the entire "bu" share get snapshot per its schedule with no way of scheduling a snapshot of a sub folder like "buimages"? From the quick look I did, I think I will have to rearrange things so the images are in a completely different folder of their own, yes?!
StephenB
Aug 03, 2017Guru - Experienced User
TheDoctor165 wrote:
If I have share folder "bu" that backs up all backups nightly and a subfolder under "bu" called "buimages" can I set up a snapshot schedule that both saves the entire "bu" share nightly, but also the "buimages" weekly?
No. Snapshots apply to the BTRFS subvolume, and the "bu" share is the relevant subvolume. So if you want a different snapshot schedule for the buimages folder it needs to be it's own independent share.
However, if buimages is only updated weekly, you can use a daily snapshot schedule. Snapshot space only grows when files in the main share change, so if the images are updated weekly, the snapshot space needed for those images will also grow weekly. For your specific use case, the snapshot space for images grows when Microsoft Backup deletes the current backup.
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