Update: I have enabled `Discard` option in all disks of the VMs on that server
and then `fstim` did the work and freed some space.
However, even removing all VMs except one (which is hard to remove without
disruption) I can see that:
root@venom:~# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log
Cpy%Sync Convert
data pve twi-aotz-- 377.55g 60.65 0.67
root pve -wi-ao---- 60.00g
swap pve -wi-ao---- 4.00g
vm-201-disk-0 pve Vwi-aotz-- 4.00m data 14.06
vm-201-disk-1 pve Vwi-aotz-- 40.00g data 56.58
Which means that I have about 200 GB used out of nowhere :( At least it is no
longer under pressure of being almost 100% full.
On Thu, Dec 29, 2022, at 11:48, Óscar de Arriba wrote:
> Any idea why it still has 96.23% of space used but the VMs are using way
> less? I'm starting to worry a lot about it (I don't kant tobe really full)
> and my current only hope is backup + reinstall PVE.
>
> Thanks,
> Oscar
>
> On Thu, Dec 29, 2022, at 11:01, Martin Holub wrote:
>>
>>
>> Am 28.12.2022 um 12:44 schrieb Óscar de Arriba:
>>> Hi Martin,
>>>
>>> > Did you try to run a fstrim on the VMs to regain the allocated space? At
>>> > least on linux something like "fstrim -av" should do the trick.
>>>
>>> I did it now and it freed ~55GiB of a running isntance (the one with 128
>>> GiB allocated). However that should only free blocks of the LV used to
>>> store that VM disk, right? And the issue itself is that the sum of maximum
>>> allocations of those disks is much lower than the space occupied.
>>>
>>> I also have the feeling that those blocks remain used by a no longer
>>> existant LVs, but I don't know how to fix it.
>>>
>>> Should I also enable trim/execute trim on Proxmox itself?
>>>
>>> Oscar
>>>
>>
>>
>>
>>
>> Hi,
>>
>> TRIM only works on a filesystem level, so you can't trim a VG or similar. On
>> the pve host i doubt it will help, but it wouldn't harm either.
>>
>> hth
>> Martin
>>
>>
>
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