Your question: How reduce home LVM size in Linux?

How can I reduce the size of my LVM?

How to Shrink an LVM Volume Safely on Linux

  1. Step 1: First take a full backup of your filesystem.
  2. Step 2:Start and force a filesystem check.
  3. Step 3:Resize your filesystem before resize your Logical Volume.
  4. Step 4: Reduce LVM size.
  5. Step 5: Re-run resize2fs.

How do I reduce the size of my home directory in Linux?

5 Answers

  1. umount /home $ umount /home.
  2. shrink the /home filesystem $ fsck -f /dev/mapper/VolGroup-lv_home $ resize2fs /dev/mapper/VolGroup-lv_home 80G.
  3. shrink the /home logical volume $ lvreduce -L -40G /dev/mapper/VolGroup-lv_home.
  4. resize the /home partition to the size of the LV $ resize2fs /dev/mapper/VolGroup-lv_home.

How do I reduce filesystem size in Linux?

Reducing the logical volume involves the below steps.

  1. Unmount the file system.
  2. Check the file system for any errors.
  3. Shrink the file system size.
  4. Reduce the logical volume size.
  5. Re-check the file system for errors (Optional).
  6. Mount the file system.
  7. Check the reduced file system size.

How does LVM work in Linux?

In Linux, Logical Volume Manager (LVM) is a device mapper framework that provides logical volume management for the Linux kernel. Most modern Linux distributions are LVM-aware to the point of being able to have their root file systems on a logical volume.

How do I change the size of a directory in Linux?

How to Get the Size of a Directory in Linux

  1. Option 1: Display the Size of a Directory Using the du Command.
  2. Option 2: Get Size of Directory in Linux Using tree Command.
  3. Option 3: Find the Size of a Linux Directory Using ncdu Command.

How do I change the size of my home directory in Linux?

2 Answers

  1. You can’t modify partitions that are mounted. …
  2. Move sda3 to the right to create enough unalocated space between sda6 and sda3.
  3. Now you should be able to expand sda2, your extended partition to take up the free space.
  4. Finally Expand the size of your home(sda6) partition.

Can GParted resize LVM?

Use GParted to resize the LVM physical volume. GParted won’t let you shrink the LVM physical volume to a size smaller than what the unallocated space allows.

What is Lvextend command in Linux?

To increase the size of a logical volume, use the lvextend command. As with the lvcreate command, you can use the -l argument of the lvextend command to specify the number of extents by which to increase the size of the logical volume. …

What are the advantages of LVM?

The main advantages of LVM are increased abstraction, flexibility, and control. Logical volumes can have meaningful names like “databases” or “root-backup”. Volumes can be resized dynamically as space requirements change and migrated between physical devices within the pool on a running system or exported easily.

How do I resize a file system?

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 resize2fs in Linux?

Description. The resize2fs program will resize ext2, ext3, or ext4 file systems. It can be used to enlarge or shrink an unmounted file system located on device. If the filesystem is mounted, it can be used to expand the size of the mounted filesystem, assuming the kernel supports on-line resizing.

How extend LVM size in Linux?

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 .
Like this post? Please share to your friends:
OS Today