Can we reduce XFS filesystem in LVM?

Posted on by Emilia Duggan

Can we reduce XFS filesystem in LVM?

To reduce a root LVM with XFS filesystem is not possible by running lvreduce, Instead, we need to back up the files and restore from the dump using xfsdump and xfsrestore .

Can we shrink XFS?

Unfortunately, XFS is not capable of being shrunk at the moment (and for the foreseeable future) so what I needed to do was to: add a new virtual device correctly using VIRTIO and stored in the right storage area of the virtualization host server. migrate all the filesystems to the new virtual device.

Why can’t XFS be shrunk?

The reason it hasn’t been done is that there is basically no demand for shrinking large filesystems. Storage is -cheap-, and in most environments data sets and capacity only grow.

How do I resize XFS filesystem?

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 shrink my Ext4 filesystem?

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 reduce or shrink the size of an LVM partition?

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 file 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 do I extend XFS filesystem in LVM?

Create and Extend XFS filesystem based on LVM

  1. Step:1 Create a partition using fdisk.
  2. Step:2 Create LVM components : pvcreate, vgcreate and lvcreate.
  3. Step:3 Create XFS file system on lvm parition “/dev/vg_xfs/xfs_db”
  4. Step:4 Mount the xfs file system.
  5. Step:5 Extend the size of xfs file system.

Can gparted resize XFS?

1 Answer. This is a limitation of the underlying xfs tools (or even of xfs itself), not of gparted. There is a command xfs_growfs (see man xfs_growfs ), but no generic xfs_resize or xfs_shrinkfs. You can only expand an XFS, not shrink it.

How do you shrink an LVM?

How do I shrink filesystem?

How do you shrink a logical volume?

Let’s wee what are the 5 steps below.

  1. unmount the file system for reducing.
  2. Check the file system after unmount.
  3. Reduce the file system.
  4. Reduce the Logical Volume size than Current size.
  5. Recheck the file system for error.
  6. Remount the file-system back to stage.

What happens if XFS is not based on LVM?

Note : If xfs is not based on LVM , the use the xfs_growsfs command as shown below : The “-D size” option extend the file system to the specified size (expressed in file system blocks). Without the -D size option, xfs_growfs will extend the file system to the maximum size supported by the device.

How to reduce the size of a logical volume formatted XFS?

It is actually possible to reduce the size of a logical volume formatted with xfs filesystem using the following procedure : 1) Backup the data using xfsdump 2) Unmount the filesystem 3) Shrink logical volume to desired size using lvreduce

How can I reduce the size of a LVM partition?

– How can I reduce the size of a LVM partition formatted with xfs filesystem? It is actually possible to reduce the size of a logical volume formatted with xfs filesystem using the following procedure : 1) Backup the data using xfsdump 2) Unmount the filesystem

How do I resize the XFS file system in Linux?

Resize the XFS filesystem by using the xfs_growfs command. Figure 9: Use the xfs_growfs command to grow the filesystem on the newly extended LV. Finally, verify the size of your extended partition. Figure 10: Use the df -h command to display storage information.