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moment... now i got it.... :) i have to reserve the free space which should no be written to... Sometimes it tooks a while :D

OK. Than reservation is not what I am searching for... I want a HARD BORDER for ALL WRITERS of a vol/pool/whatever...

I just wanted to add a reservation (after removing the quota) but i got this error: root@bk01:~# zfs set reservation=15.25T local_backupstorage_bk01 cannot set property for 'local_backupstorage_bk01': size is greater than available space root@bk01:~# zfs get available local_backupstorage_bk01...

so maybe it is not MY fault at all? :-D pbs version is 3.4.6 ...

so quota is user related and a reservation is for a pool (i.e for all users)?

I think I found the answers myself: root@bk01:~# ls -la /mnt/datastore/local_backupstorage_bk01/ total 8267 drwxr-xr-x 4 backup backup 6 Oct 6 13:45 . drwxr-xr-x 4 root root 4096 Nov 20 2024 .. drwxr-x--- 65538 backup backup 65538 Mar 2 2025 .chunks -rw-r--r-- 1 backup...

That could be right, but it is a pbs storage-target (to the cluster members), is data written as root? And 2nd: If I set quota in pbs shell (webif); is quota set for root? root@bk01:~# zfs set quota=14.5T local_backupstorage_bk01

But the most important question remains open: Why quota did not work?

I wanted to do as you proposed but then I realized that my deletion becomes visible in webif and now gc runs!! Note to self: Rename Platzhalter.iso to life.saver... ;-)

But how could this be? The quota was provable at 14.4T?!

really? That is my life insurance... at least on windows servers.... Deletion is no problem on NTFS even there are 0B left... FYI: I just checked it... deletion by shell was not a problem...

Addition: root@bk01:/mnt/datastore/local_backupstorage_bk01# du -shx .chunks/ 15T .chunks/ root@bk01:/mnt/datastore/local_backupstorage_bk01# du -shx * 891M ns 11G Platzhalter.iso root@bk01:/mnt/datastore/local_backupstorage_bk01#

Good (?) morning. Over the weekend our pbs storage runs out of space. As I already had set a quota because of similar problems in the past, I wanted to change it for running a GC. root@bk01:~# zfs set quota=14.4T local_backupstorage_bk01 cannot set property for 'local_backupstorage_bk01'...

Damn... I was too slow... ;-)

i used a simple network configuration for corosync then.

As EllerholdAG said, I didn't get it to work using frr for both meshes. You can configure it, but then nothing works anymore...

Isn't it possible for pbs to pause/stop backup if it is foreseeable that the disk will run out of space (or just a reserved space of a few gigs for system as in other backup programs)?

Ok. I moved some chunks und did gc twice like mentioned above. Can I set quota to a percentage (e.q. 99) or only to a fixed size like 14.3T? Is it possible to reduce the reserved space for root to less than 100G (!) ?

Nobody? :-(

Over the weekend my pbs datastore is running out of space and now I'm unable to run a garbage collection. This is the output of discus: and this is the output of zpool list: What is the meaning of FREE and second question: How could this help me out of my dilema? Is is possible to use the...