root@root135:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 111.8G 0 disk
├─sda1 8:1 0 512M 0 part /boot
├─sda2 8:2 0 1K 0 part
├─sda3 8:3 0 11G 0 part /recovery
├─sda4 8:4 0 16G 0 part [SWAP]
├─sda5 8:5 0 15G 0 part /
├─sda6 8:6 0 15G 0 part
└─sda7 8:7 0 54.3G 0 part /var
/root
/opt
/home
/data
sdb 8:16 0 1.8T 0 disk
├─sdb1 8:17 0 900G 0 part
└─sdb2 8:18 0 963G 0 part
------------------------------
root@root135:~# pvcreate /dev/sdb1
WARNING: ext4 signature detected on /dev/sdb1 at offset 1080. Wipe it? [y/n]: y
Wiping ext4 signature on /dev/sdb1.
Physical volume "/dev/sdb1" successfully created.
root@root135:~# pvs
PV VG Fmt Attr PSize PFree
/dev/sdb1 vg_sdb1 lvm2 a-- <900.00g <800.00g
------------------------------
root@root135:~# vgcreate vg_sdb1 /dev/sdb1
Volume group "vg_sdb1" successfully created
root@root135:~# lvcreate -L 100G -n lv_sdb1 /dev/vg_sdb1
root@root135:~# vgs
VG #PV #LV #SN Attr VSize VFree
vg_sdb1 1 1 0 wz--n- <900.00g <800.00g
------------------------------
root@root135:~# lvcreate -L 100G -n lv_sdb1 /dev/vg_sdb1
Logical volume "lv_sdb1" created.
root@root135:~# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
lv_sdb1 vg_sdb1 -wi-a----- 100.00g
Logical volume "lv_sdb1" created.
mkfs -t ext4 /dev/vg_sdb1/lv_sdb1
------------------------------
root@root135:~# pvs
PV VG Fmt Attr PSize PFree
/dev/sdb1 vg_sdb1 lvm2 a-- <900.00g <800.00g
root@root135:~# vgs
VG #PV #LV #SN Attr VSize VFree
vg_sdb1 1 1 0 wz--n- <900.00g <800.00g
root@root135:~# lvs
LV VG Attr LSize Pool Origin Data% Meta% Move Log Cpy%Sync Convert
lv_sdb1 vg_sdb1 -wi-a----- 100.00g
-------------------------------
root@root135:~# lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINTS
sda 8:0 0 111.8G 0 disk
├─sda1 8:1 0 512M 0 part /boot
├─sda2 8:2 0 1K 0 part
├─sda3 8:3 0 11G 0 part /recovery
├─sda4 8:4 0 16G 0 part [SWAP]
├─sda5 8:5 0 15G 0 part /
├─sda6 8:6 0 15G 0 part
└─sda7 8:7 0 54.3G 0 part /var
/root
/opt
/home
/data
sdb 8:16 0 1.8T 0 disk
├─sdb1 8:17 0 900G 0 part
│ └─vg_sdb1-lv_sdb1 253:0 0 100G 0 lvm
└─sdb2 8:18 0 963G 0 part
root@root135:~# fdisk -l /dev/sdb1
Disk /dev/sdb1: 900 GiB, 966367641600 bytes, 1887436800 sectors
Units: sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 4096 bytes
I/O size (minimum/optimal): 4096 bytes / 4096 bytes
root@root135:~# mount /dev/vg_sdb1/lv_sdb1 /home/root135/sdb1
root@root135:~# df -Th
Filesystem Type Size Used Avail Use% Mounted on
udev devtmpfs 7.8G 0 7.8G 0% /dev
tmpfs tmpfs 1.6G 1.8M 1.6G 1% /run
/dev/sda5 ext4 15G 9.0G 5.0G 65% /
tmpfs tmpfs 7.8G 56M 7.7G 1% /dev/shm
tmpfs tmpfs 5.0M 4.0K 5.0M 1% /run/lock
tmpfs tmpfs 4.0M 0 4.0M 0% /sys/fs/cgroup
/dev/sda1 ext4 488M 342M 111M 76% /boot
/dev/sda3 ext4 11G 7.3G 3.0G 72% /recovery
/dev/sda7 ext4 54G 27G 24G 54% /data
tmpfs tmpfs 1.6G 88K 1.6G 1% /run/user/1000
/dev/mapper/vg_sdb1-lv_sdb1 ext4 98G 24K 93G 1% /home/root135/sdb1
root@root135:~# umount /dev/vg_sdb1/lv_sdb1