I've been looking into what happens if your datastore reaches 100% on pbs to check how screwed we'd be if we mistakenly got to that point, and the very few sources I can find talking about it seem to indicate that it just makes the datastore effectively stop working by supported methods unless you either add more storage or manually delete files from the shell, since Garbage Collection needs some small amount of free space in order to be able to remove anything. Am I missing something, because this feels uncharacteristically unpolished and non fail-safe to see on Proxmox. I would expect it would just fail the backup if there's not enough room, and always leave enough space by default for the file system to remain fully functional. To be clear, I don't intend to let it get to that point, but for something that should be as foolproof as a backup, it feels uncomfortable to see this being overlooked. If there is a failsafe, I apologize, but I couldn't find one after an hour of searching.
Is there really no handling for if a datastore fills up to 100%?
- Thread starter Roe
- Start date
A possible mitigation is to set a quota on your datastores filesystem. All modern Linux filesystems have that feature:
https://linux.die.net/man/8/xfs_quota
https://wiki.archlinux.org/title/Disk_quota
I want to set zfs quotas for my datastore to avoid problem when it's full, this is my proxmox backup server installation:
I add a datastore in this path:
This is the output of zfs list -t all:
In my case i need for set quota i need to do this command right?
zfs set quota=712G rpool (80%)
I add a datastore in this path:
This is the output of zfs list -t all:
In my case i need for set quota i need to do this command right?
zfs set quota=712G rpool (80%)
https://linux.die.net/man/8/xfs_quota
https://wiki.archlinux.org/title/Disk_quota
Thank you, glad to see it's being addressed.
This is very good to see, I hope it can make it to the GUI someday but until then I'm happy to use this, ty!A possible mitigation is to set a quota on your datastores filesystem. All modern Linux filesystems have that feature:
I want to set zfs quotas for my datastore to avoid problem when it's full, this is my proxmox backup server installation:
I add a datastore in this path:
This is the output of zfs list -t all:
In my case i need for set quota i need to do this command right?
zfs set quota=712G rpool (80%)
https://linux.die.net/man/8/xfs_quota
https://wiki.archlinux.org/title/Disk_quota