From: Maximilian Hill <mhill@inett.de>
To: Proxmox VE user list <pve-user@lists.proxmox.com>
Subject: Re: [PVE-User] ZFS Disk Usage unexpected high
Date: Tue, 6 Apr 2021 09:41:26 +0200 [thread overview]
Message-ID: <YGwQplVYoYJttJ3j@inett.de> (raw)
In-Reply-To: <7e9d1358dcb12b288e884547553e39b4@konsec.com>
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Hi,
I got the same issue with different RAID-Z setups lately.
We worked around it, but I don't want to go into detail abaout that
before I know. why that happened.
Regards
Maximilian Hill
On Mon, Apr 05, 2021 at 10:22:56AM +0200, Konold, Martin wrote:
>
> Hi,
>
> I set up a single VM which currently used 15TB of data.
> /dev/sdb is technically a ZFS volume on the Proxmox Host.
>
> [root@vm ~]# df -h /data
> Filesystem Size Used Avail Use% Mounted on
> /dev/sdb 40T 15T 25T 37% /data
> [root@vm ~]# du -s /data/
> 14874345100 /data/
>
> [root@host /]# zfs list zfs01/PVE-BE/vm-1-disk-1
> NAME USED AVAIL REFER MOUNTPOINT
> zfs01/PVE-BE/vm-1-disk-1 31.5T 5.82T 31.5T -
>
> Why is the usage on the host about twice as large as within the vm?
> (Yes, I have given fstrim and discard a try).
>
> --
> Regards
> ppa. Martin Konold
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prev parent reply other threads:[~2021-04-06 7:42 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-05 8:22 Konold, Martin
2021-04-05 9:54 ` Yanni M.
2021-04-06 7:41 ` Maximilian Hill [this message]
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