[PVE-User] Analysis of free space...

[Marco Gaiarin]

Mandi! Alwin Antreich via pve-user
  In chel di` si favelave...

> Hm... I assume you're running a RAIDz1?

root at lamprologus:~# zpool status rpool-data
  pool: rpool-data
 state: ONLINE
status: Some supported and requested features are not enabled on the pool.
	The pool can still be used, but some features are unavailable.
action: Enable all features using 'zpool upgrade'. Once this is done,
	the pool may no longer be accessible by software that does not support
	the features. See zpool-features(7) for details.
  scan: scrub repaired 0B in 1 days 15:06:52 with 0 errors on Mon Sep 15 15:30:54 2025
config:

	NAME                        STATE     READ WRITE CKSUM
	rpool-data                  ONLINE       0     0     0
	  raidz1-0                  ONLINE       0     0     0
	    scsi-35000c500d2ae07db  ONLINE       0     0     0
	    scsi-35000c500d2ae767f  ONLINE       0     0     0
	    scsi-35000c500e24688cf  ONLINE       0     0     0
	    scsi-35000c500d2af2d43  ONLINE       0     0     0
	    scsi-35000c500d2aee0df  ONLINE       0     0     0
	    scsi-35000c500d2af4693  ONLINE       0     0     0
	    scsi-35000c500f9797483  ONLINE       0     0     0
	    scsi-35000c500d2ae777f  ONLINE       0     0     0
	    scsi-35000c500d2af3e77  ONLINE       0     0     0

errors: No known data errors

Yep.


> See the link: https://pve.proxmox.com/pve-docs/pve-admin-guide.html#sysadmin_zfs_raid_size_space_usage_redundancy

OK. But this can explain some data, not 20TB of not reclaimed space; and, as
just stated, if i delete now (after that i've set discard=on on volume
property) data, space get correctly reclaimed.


There's some way to 'forcibly reclaim data'?

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