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What is Lvextend command in Linux?

Posted on by Arif Clayton

What is Lvextend command in Linux?

The lvextend command is used to extend the logical volume. The following are sample steps to extend a Volume Group (VG), a Logical Volume (LV), and a filesystem using a device named /dev/sdN as its Physical Volume (PV).

How do I find the volume group in Suse Linux?

To check which physical devices are part of the volume group, open the YaST Partitioner at any time in the running system and click Volume Management › Edit › Physical Devices.

How do I use Vgextend in Linux?

How to Extend Volume Group and Reduce Logical Volume

  1. To Create new partition Press n.
  2. Choose primary partition use p.
  3. Choose which number of partition to be selected to create the primary partition.
  4. Press 1 if any other disk available.
  5. Change the type using t.
  6. Type 8e to change the partition type to Linux LVM.

How do I resize a file in Linux?

Procedure

  1. If the partition the file system is on is currently mounted, unmount it.
  2. Run fsck on the unmounted file system.
  3. Shrink the file system with the resize2fs /dev/device size command.
  4. Delete and recreate the partition the file system is on to the required amount.
  5. Mount the file system and partition.

How do you do Lvextend?

How to Extend LVM Partition with lvextend command in Linux

  1. Step:1 Type ‘ df -h’ command to list the file system.
  2. Step:2 Now check whether free space is available space in the volume group.
  3. Step:3 Use lvextend command to increase the size.
  4. Step:3 Run the resize2fs command.
  5. Step:4 Use df command and verify /home size .

How do I create a filesystem in Suse?

Procedure

  1. Run the multipath -ll command to get a list of /dev/nvme devices. # multipath -ll.
  2. Create a file system on the partition for each /dev/nvme0n# device. The method for creating a file system varies depending on the file system chosen.
  3. Create a folder to mount the new device. # mkdir /mnt/ext4.
  4. Mount the device.

How do I extend an XFS file system?

You cannot grow an XFS file system that is currently unmounted. There is currently no command to shrink an XFS file system. You can use the xfs_growfs command to increase the size of a mounted XFS file system if there is space on the underlying devices to accommodate the change.

How do I resize filesystem?

Option 2

  1. Check if disk is available: dmesg | grep sdb.
  2. Check if disk is mounted: df -h | grep sdb.
  3. Ensure there are no other partitions on disk: fdisk -l /dev/sdb.
  4. Resize the last partition: fdisk /dev/sdb.
  5. Verify the partition: fsck /dev/sdb.
  6. Resize the filesystem: resize2fs /dev/sdb3.

What is Lvextend?

lvextend extends the size of an LV. This requires allocating logical extents from the VG’s free physical extents. If the extension adds a new LV segment, the new segment will use the existing segment type of the LV. Extending a copy-on-write snapshot LV adds space for COW blocks.

How can I increase my LV size?

Extend LVM manually

  1. Extend the physical drive partition: sudo fdisk /dev/vda – Enter the fdisk tool to modify /dev/vda.
  2. Modify (extend) the LVM: Tell LVM the physical partition size has changed: sudo pvresize /dev/vda1.
  3. Resize the file system: sudo resize2fs /dev/COMPbase-vg/root.