Changing threshold for low space warning on backups

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hspindel

Member
Aug 6, 2025
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When my backups run, I get the following warning:

Local storage is nearly full (88%) - Consider cleaning up older backups or adding more storage.

The storage being referred to is located on a NAS. The space on the NAS is quite large and there is enough space left to last a very long time (currently about 15TB available).

Is there a way to adjust the threshold for the warning?
 
It's an email alert. I'll post it the next time it occurs. Already deleted it, but it occurs daily.

Thank you for the reply.
 
Here's the email warning:

⚠️ Local storage is nearly full (88%) - Consider cleaning up older backups or adding more storage.

I realized today that this warning is not actually from PVE, but instead is from a package named proxmox-backup. I will ask on their forum.
 
hspindel said:
but instead is from a package named proxmox-backup.
Click to expand...
Is it? All files I find in that package is:
Code: 
~# dpkg -L proxmox-backup
/etc
/etc/default
/etc/default/grub.d
/etc/default/grub.d/proxmox-backup.cfg
(That's all - as it is a meta-package...)

You could've posted a complete email to show us what we are talking about...
 
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I'm sorry but you appear to be confidently incorrect. What makes you so sure?
Can you please grep for that line on the system the mail comes from like this? This might take a while but should show us where it comes from.
Bash: 
grep -sR "Consider cleaning up older backups" /

Edit: Apparently you meant this third party "proxmox-backup" tool. Udo was referring to the real thing. I guess they didn't read this? And yes it comes from there. And to answer your question to the third party developer 85% is hard coded as you can see.
 
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