Enable LVM flag on partition using parted in Linux
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Gineesh Madapparambath
- Infrastructre & hardware, Enable lvm flag on partition using parted in linux, Fdisk
- October 19, 2018
Recently we have noticed some issue with one of our filesystem having issue and realized wrong flags on partition which was used as a Physical Volume (PV) in LVM ( Logical Volume Management ). You must properly set the lvm flag using any tool like fdisk or parted.
Open parted tool
[root@lpcl02c132 ~]# parted
GNU Parted 3.1
Using /dev/sda
Welcome to GNU Parted! Type 'help' to view a list of commands.
(parted
Check the partitions and free space. We can see /dev/sda is already selected; otherwise you use the correct disk.
(parted) print free
Model: DELL PERC H730P Adp (scsi)
Disk /dev/sda: 600GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
32.3kB 1049kB 1016kB Free Space
1 1049kB 1075MB 1074MB primary xfs boot
2 1075MB 71.4GB 70.3GB primary lvm
3 71.4GB 109GB 37.6GB primary lvm
4 109GB 600GB 491GB extended
5 109GB 136GB 26.8GB logical lvm
6 136GB 137GB 1078MB logical lvm
137GB 600GB 463GB Free Space
Create a partition with xfs format.
(parted) mkpart logical xfs 137GB 317G
Check current partions; you can see the partition 7 with 180GB size which we have created just now.
(parted) print free
Model: DELL PERC H730P Adp (scsi)
Disk /dev/sda: 600GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
32.3kB 1049kB 1016kB Free Space
1 1049kB 1075MB 1074MB primary xfs boot
2 1075MB 71.4GB 70.3GB primary lvm
3 71.4GB 109GB 37.6GB primary lvm
4 109GB 600GB 491GB extended
5 109GB 136GB 26.8GB logical lvm
6 136GB 137GB 1078MB logical lvm
7 137GB 317GB 180GB logical
317GB 600GB 283GB Free Space
Enable lvm flag on partiton 7
(parted) set 7 lvm on
Verify lvm flags
(parted) print free
Model: DELL PERC H730P Adp (scsi)
Disk /dev/sda: 600GB
Sector size (logical/physical): 512B/512B
Partition Table: msdos
Disk Flags:
Number Start End Size Type File system Flags
32.3kB 1049kB 1016kB Free Space
1 1049kB 1075MB 1074MB primary xfs boot
2 1075MB 71.4GB 70.3GB primary lvm
3 71.4GB 109GB 37.6GB primary lvm
4 109GB 600GB 491GB extended
5 109GB 136GB 26.8GB logical lvm
6 136GB 137GB 1078MB logical lvm
7 137GB 317GB 180GB logical lvm
317GB 600GB 283GB Free Space
That’s all.
Gineesh Madapparambath
Gineesh Madapparambath is the founder of techbeatly. He is the co-author of The Kubernetes Bible, Second Edition and the author of Ansible for Real Life Automation. He has worked as a Systems Engineer, Automation Specialist, and content author. His primary focus is on Ansible Automation, Containerisation (OpenShift & Kubernetes), and Infrastructure as Code (Terraform). (Read more: iamgini.com)
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