What is the difference of disk.capacity disk.allocation disk.usage?

asked 2017-03-19 19:57:33 -0500

4qv907rtet5r gravatar image

accoding to this https://docs.openstack.org/admin-guide/telemetry-measurements.html (link), There seems to be no difference.

I want to know Avail space.

# df -h /
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda1       407G   18G  369G   5% /

how can i get?

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Comments

All aforementioned meters are different and described in NOTE column at page U've sent. Also I doubt that libvirt is providing info about free space inside the guest.

yprokule gravatar imageyprokule ( 2017-03-22 04:30:00 -0500 )edit

how can i get information about guest's disk spaces? (used/total)

4qv907rtet5r gravatar image4qv907rtet5r ( 2017-03-22 23:23:53 -0500 )edit

There is no easy solution though if guest vms have floating ips U can use SNMP based meters

yprokule gravatar imageyprokule ( 2017-03-24 01:31:07 -0500 )edit