[PVE-User] Query disk usage
jcrisp at safeandsoundit.co.uk
Mon Mar 6 18:04:46 CET 2017
On 06/03/17 15:29, Emmanuel Kasper wrote:
> On 03/06/2017 10:22 AM, John Crisp wrote:
>> I am a bit puzzled as to how to do a simple disk usage query on Proxmox
>> 4 with LVM thin.
> I suppose you would like to know how much data are using your VMs using
> thin logical volumes.
Thanks for the response but no, I wanted to know total disk usage at the
point in time.
e.g. on a non LVM thin machine I can get
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/pve-data 799G 411G 389G 52% /var/lib/vz
/dev/mapper/pve1-pve--data1 917G 820G 89G 91% /var/lib/vz1
Nice and simple. 52% used on one partition/volume and 91% on another
But df -h with LVM thin seems unaware of some of the available disk space.
I was trying to add this machine to my monitoring system so I get a
regular idea of disk usage overall.
Using 'lvs' seems to report correctly. I just need to figure out how to
grep out the figures in a plugin !
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