From: Alwin Antreich via pve-user <pve-user@lists.proxmox.com>
To: Proxmox VE user list <pve-user@lists.proxmox.com>
Cc: Alwin Antreich <alwin@antreich.com>
Subject: Re: [PVE-User] Analysis of free space...
Date: Sat, 27 Sep 2025 17:42:09 +0200 [thread overview]
Message-ID: <mailman.452.1758987731.390.pve-user@lists.proxmox.com> (raw)
In-Reply-To: <4sidql-6r83.ln1@leia.lilliput.linux.it>
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From: Alwin Antreich <alwin@antreich.com>
To: Proxmox VE user list <pve-user@lists.proxmox.com>
Subject: Re: [PVE-User] Analysis of free space...
Date: Sat, 27 Sep 2025 17:42:09 +0200
Message-ID: <9EB24CE1-C837-48F1-A938-8B38DECEA40B@antreich.com>
On 24 September 2025 18:29:26 CEST, Marco Gaiarin <gaio@lilliput.linux.it> wrote:
>Mandi! Marco Gaiarin
> In chel di` si favelave...
>
>> Uh, wait... effectively we forgot to enable 'discard' on volumes, and we have
>> enabled afterward (but rebooted the VM).
>> I'll check refreservation property and report back.
>
>No, volumes seems have all refreservation to 'none', as expected; current
>situation is:
>
> root@lamprologus:~# zfs list | grep ^rpool-data
> rpool-data 54.2T 3.84T 171K /rpool-data
> rpool-data/vm-100-disk-0 1.11T 3.84T 1.11T -
> rpool-data/vm-100-disk-1 2.32T 3.84T 2.32T -
> rpool-data/vm-100-disk-10 1.82T 3.84T 1.82T -
> rpool-data/vm-100-disk-11 2.03T 3.84T 2.03T -
> rpool-data/vm-100-disk-12 1.96T 3.84T 1.96T -
> rpool-data/vm-100-disk-13 2.48T 3.84T 2.48T -
> rpool-data/vm-100-disk-14 2.21T 3.84T 2.21T -
> rpool-data/vm-100-disk-15 2.42T 3.84T 2.42T -
> rpool-data/vm-100-disk-16 2.15T 3.84T 2.15T -
> rpool-data/vm-100-disk-17 2.14T 3.84T 2.14T -
> rpool-data/vm-100-disk-18 3.39T 3.84T 3.39T -
> rpool-data/vm-100-disk-19 3.40T 3.84T 3.40T -
> rpool-data/vm-100-disk-2 1.32T 3.84T 1.32T -
> rpool-data/vm-100-disk-20 3.36T 3.84T 3.36T -
> rpool-data/vm-100-disk-21 2.50T 3.84T 2.50T -
> rpool-data/vm-100-disk-22 3.22T 3.84T 3.22T -
> rpool-data/vm-100-disk-23 2.73T 3.84T 2.73T -
> rpool-data/vm-100-disk-24 2.53T 3.84T 2.53T -
> rpool-data/vm-100-disk-3 213K 3.84T 213K -
> rpool-data/vm-100-disk-4 213K 3.84T 213K -
> rpool-data/vm-100-disk-5 2.33T 3.84T 2.33T -
> rpool-data/vm-100-disk-6 2.28T 3.84T 2.28T -
> rpool-data/vm-100-disk-7 2.13T 3.84T 2.13T -
> rpool-data/vm-100-disk-8 2.29T 3.84T 2.29T -
> rpool-data/vm-100-disk-9 2.11T 3.84T 2.11T -
>
>and a random volume (but all are similar):
>
> root@lamprologus:~# zfs get all rpool-data/vm-100-disk-18 | grep refreservation
> rpool-data/vm-100-disk-18 refreservation none default
> rpool-data/vm-100-disk-18 usedbyrefreservation 0B -
>
>Another strange thing is that all are 2TB volumes:
>
> root@lamprologus:~# cat /etc/pve/qemu-server/100.conf | grep vm-100-disk-19
> scsi20: rpool-data:vm-100-disk-19,backup=0,discard=on,replicate=0,size=2000G
>
>but:
>
> root@lamprologus:~# zfs list rpool-data/vm-100-disk-19
> NAME USED AVAIL REFER MOUNTPOINT
> rpool-data/vm-100-disk-19 3.40T 3.84T 3.40T -
>
>why 'USED' is 3.40T?
Snapshots by any chance?
Cheers,
Alwin
Hi Marco,
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next prev parent reply other threads:[~2025-09-27 15:42 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-09-17 13:27 Marco Gaiarin
2025-09-17 23:45 ` Gilou
2025-09-22 14:14 ` Marco Gaiarin
2025-09-22 14:17 ` Marco Gaiarin
2025-09-24 16:29 ` Marco Gaiarin
2025-09-27 15:42 ` Alwin Antreich via pve-user [this message]
2025-09-30 16:26 ` Marco Gaiarin
2025-09-27 16:06 ` Matthieu Dreistadt via pve-user
2025-09-30 16:55 ` Marco Gaiarin
2025-10-01 14:03 ` Alwin Antreich via pve-user
2025-10-06 11:32 ` Marco Gaiarin
2025-09-26 14:57 ` Marco Gaiarin
2025-09-18 13:44 ` Alwin Antreich via pve-user
2025-09-22 14:16 ` Marco Gaiarin
2025-09-25 8:26 ` Marco Gaiarin
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