To check linux disk space. See vg-data disk is 3.3TB we will extend it to 3.7TB
root@fs1 ~ # sudo df -hT
Filesystem Type Size Used Avail Use% Mounted on
udev devtmpfs 3.8G 0 3.8G 0% /dev
tmpfs tmpfs 779M 836K 779M 1% /run
/dev/mapper/vg--system-root ext4 9.8G 4.3G 5.2G 46% /
tmpfs tmpfs 3.9G 0 3.9G 0% /dev/shm
tmpfs tmpfs 5.0M 0 5.0M 0% /run/lock
tmpfs tmpfs 3.9G 0 3.9G 0% /sys/fs/cgroup
/dev/mapper/vg--data-data ext4 3.3T 3.1T 18G 100% /data
tmpfs tmpfs 779M 0 779M 0% /run/user/1022
So using parted see the partition table.
root@fs1 ~ # sudo parted /dev/sdb
GNU Parted 3.2
Using /dev/sdb
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted) print free
Warning: Not all of the space available to /dev/sdb appears to be used, you can fix the GPT to use all of the space (an extra 939524096 blocks) or continue with the current setting?
Fix/Ignore? Fix
Model: HC Volume (scsi)
Disk /dev/sdb: 4080GB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
17.4kB 1049kB 1031kB Free Space
1 1049kB 3599GB 3599GB lvm
3599GB 4080GB 481GB Free Space
Also you can use MiB to see it is precise unit. I will extend it to 3.7T around: 3890990MiB
resizepart is used to extend the partition. So here I am increasing the partition 1.
(parted) resizepart
Partition number? 1
End? [3432447MiB]? 3890990MiB
(parted) print
Model: HC Volume (scsi)
Disk /dev/sdb: 3891200MiB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
1 1.00MiB 3890990MiB 3890989MiB lvm
(parted) unit MiB print free
Model: HC Volume (scsi)
Disk /dev/sdb: 3891200MiB
Sector size (logical/physical): 512B/512B
Partition Table: gpt
Disk Flags:
Number Start End Size File system Name Flags
0.02MiB 1.00MiB 0.98MiB Free Space
1 1.00MiB 3890990MiB 3890989MiB lvm
3890990MiB 3891200MiB 210MiB Free Space
Now you can see the resizepart extends the sdb1 ( partition 1)
root@fs1 ~ # lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 76.3G 0 disk
└─sda3 8:3 0 76.3G 0 part
└─pv-crypt 254:0 0 76.3G 0 crypt
├─vg--system-swap 254:1 0 2G 0 lvm [SWAP]
└─vg--system-root 254:2 0 10G 0 lvm /
sdb 8:16 0 3.7T 0 disk
└─sdb1 8:17 0 3.7T 0 part
└─pv-data-crypt 254:3 0 3.3T 0 crypt
└─vg--data-data 254:4 0 3.3T 0 lvm /data
sr0 11:0 1 1024M 0 rom
To Extend the crypt partition cryptsetup resize command works.
root@fs1 ~ # sudo cryptsetup resize pv-data-crypt
root@fs1 ~ # lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 76.3G 0 disk
└─sda3 8:3 0 76.3G 0 part
└─pv-crypt 254:0 0 76.3G 0 crypt
├─vg--system-swap 254:1 0 2G 0 lvm [SWAP]
└─vg--system-root 254:2 0 10G 0 lvm /
sdb 8:16 0 3.7T 0 disk
└─sdb1 8:17 0 3.7T 0 part
└─pv-data-crypt 254:3 0 3.7T 0 crypt
└─vg--data-data 254:4 0 3.3T 0 lvm /data
sr0 11:0 1 1024M 0 rom
See the pv-data-crypt resize to 3.7T.You can now need to extend the pvsize.
muhammadshakeeb@fs1:~$ sudo pvs
PV VG Fmt Attr PSize PFree
/dev/mapper/pv-crypt vg-system lvm2 a-- 76.29g 69.29g
/dev/mapper/pv-data-crypt vg-data lvm2 a-- 3.27t 0
muhammadshakeeb@fs1:~$ sudo pvresize /dev/mapper/pv-data-crypt
Physical volume "/dev/mapper/pv-data-crypt" changed
1 physical volume(s) resized or updated / 0 physical volume(s) not resized
muhammadshakeeb@fs1:~$ sudo pvs
PV VG Fmt Attr PSize PFree
/dev/mapper/pv-crypt vg-system lvm2 a-- 76.29g 69.29g
/dev/mapper/pv-data-crypt vg-data lvm2 a-- 3.71t <447.80g
You can see the PV PFree size now using lvextend EXTEND the size and use resize2fs
muhammadshakeeb@fs1:~$ sudo lvextend -l +100%FREE /dev/vg-data/data
Size of logical volume vg-data/data changed from 3.27 TiB (858110 extents) to 3.71 TiB (972746 extents).
Logical volume vg-data/data successfully resized.
muhammadshakeeb@fs2:~$ sudo resize2fs /dev/vg-data/data
resize2fs 1.44.5 (15-Dec-2018)
Filesystem at /dev/vg-data/data is mounted on /data; on-line resizing required
old_desc_blocks = 419, new_desc_blocks = 475
The filesystem on /dev/vg-data/data is now 996091904 (4k) blocks long.
muhammadshakeeb@fs2:~$ sudo lsblk
NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT
sda 8:0 0 76.3G 0 disk
└─sda3 8:3 0 76.3G 0 part
└─pv-crypt 254:0 0 76.3G 0 crypt
├─vg--system-swap 254:1 0 2G 0 lvm [SWAP]
└─vg--system-root 254:2 0 5G 0 lvm /
sdb 8:16 0 3.7T 0 disk
└─sdb1 8:17 0 3.7T 0 part
└─pv-data-crypt 254:3 0 3.7T 0 crypt
└─vg--data-data 254:4 0 3.7T 0 lvm /data
sr0 11:0 1 1024M 0 rom