Volume Groups

How to Shrink XFS File System on Enterprise Linux 7.2

by Ed Chen
March 25, 2016November 22, 2022
31 Comments

Why XFS File System Cannot be Shrunk Directly? Why cannot we just lvreduce XFS file system? A quote from Red Hat official document talking about… Read More »

How to Increase SWAP Partition on Linux

by Ed Chen
August 12, 2015November 22, 2022

Let's see the current size of SWAP.[root@test ~]# cat /proc/swapsFilename … Read More »

How to Reduce Logical Volume Size on Linux

by Ed Chen
August 11, 2015November 22, 2022

Since I found there's no free space in the main volume group for extending other volumes, so I intend to shrink some non-critical volumes to… Read More »

How to Increase Logical Volume Size on Linux

by Ed Chen
August 10, 2015November 22, 2022

Logical volumes (LV) are controlled by the belonging volume group (VG), so there must have some free space in the VG for LVs to increase.… Read More »

How to Increase Volume Group Size on Linux

by Ed Chen
August 9, 2015November 22, 2022

When we have space pressure on logical volumes (LV), we will seek for free space (or you may say unused space) in volume groups (VG)… Read More »