I am a bit puzzled as to how to do a simple disk usage query on Proxmox 4 with LVM thin.
The normal commands such as df -h etc do not give the correct figures.
The drive is on a hardware RAID. To the system it is a single drive.
Here are some of the figures I managed to extract, but none are simple
to interpret.
Any suggestions ?
cciss!c0d0 104:0 0 273.4G 0 disk
df -h
Filesystem Size Used Avail Use% Mounted on
udev 10M 0 10M 0% /dev
tmpfs 3.2G 50M 3.1G 2% /run
/dev/dm-0 68G 3.3G 61G 6% /
tmpfs 7.9G 43M 7.8G 1% /dev/shm
tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup
/dev/fuse 30M 16K 30M 1% /etc/pve
lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sr0 11:0 1 1024M 0 rom
cciss!c0d0 104:0 0 273.4G 0 disk
├─cciss!c0d0p1 104:1 0 1007K 0 part
├─cciss!c0d0p2 104:2 0 127M 0 part
└─cciss!c0d0p3 104:3 0 273.3G 0 part
├─pve-root 251:0 0 68.3G 0 lvm /
├─pve-swap 251:1 0 8G 0 lvm [SWAP]
├─pve-data_tmeta 251:2 0 92M 0 lvm
│ └─pve-data-tpool 251:4 0 181G 0 lvm
│ ├─pve-data 251:5 0 181G 0 lvm
│ ├─pve-vm--100--disk--1 251:6 0 64G 0 lvm
│ ├─pve-vm--101--disk--1 251:7 0 16G 0 lvm
│ ├─pve-vm--102--disk--2 251:8 0 32G 0 lvm
│ └─pve-vm--103--disk--2 251:9 0 16G 0 lvm
└─pve-data_tdata 251:3 0 181G 0 lvm
└─pve-data-tpool 251:4 0 181G 0 lvm
├─pve-data 251:5 0 181G 0 lvm
├─pve-vm--100--disk--1 251:6 0 64G 0 lvm
├─pve-vm--101--disk--1 251:7 0 16G 0 lvm
├─pve-vm--102--disk--2 251:8 0 32G 0 lvm
└─pve-vm--103--disk--2 251:9 0 16G 0 lvm
I can see the following in lvdisplay:
--- Logical volume ---
LV Path /dev/pve/swap
LV Name swap
VG Name pve
LV Size 8.00 GiB
--- Logical volume ---
LV Path /dev/pve/root
LV Name root
VG Name pve
LV Size 68.25 GiB
--- Logical volume ---
LV Name data
VG Name pve
LV Size 181.03 GiB
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