Why do I need to do resize2fs after lvextend?
The resize2fs forces the fs, filesystem to expand or shrink to take up the new space produced by the lvextend command.
Is the resize2fs process using 99% CPU?
The problem is that it stays like this for hours without any output from resize2fs like for example status updates. Nevertheless top shows the resize2fs process using 99% CPU. Its memory consumption is quite small and constant. I use online resize now, but it is the same with offline resize. I did a filesystem check before running the resize.
How to increase the size of a filesystem?
It should only take a few minutes to increase the size of the filesystem since only the inodes are updated and no data is moved. Try another online resize without the -S option. That will let resize2fs determine the stride size.
How to extend file system size with lvextend?
Above command will extend the file system size by 2GB. You can also specify the size in MB , just replace G with M. In above step we have executed the lvextend command to extend the file system size by 2 GB but still the file system is not updated, so execute the following resize2fs command
How to resize root partition online, on XFS?
How to resize root partition online , on xfs filesystem? [root@oel7 ~]# resize2fs /dev/root_vg/root resize2fs 1.42.9 (28-Dec-2013) resize2fs: Bad magic number in super-block while trying to open /dev/root_vg/root Couldn’t find valid filesystem superblock. I am unable to do the same with above last line error.
How to extend root filesystem using LVM in Linux?
To demonstrate a complete LVM lifecycle, we will perform the following actions: Create an LVM physical volume, volume group, and logical volume. LVM allows you to create, resize or delete partitions on a running system without requiring any reboot. So check the steps below to extend root filesystem using LVM in Linux.