Online resize LVM partitions – shrink home / extend root
Online shrinking of LVM partitions is not possible. I stumbled over this page because I saw “online” and “shrink” and thought “Oooh something new I have missed something”.How to reduce/shrink Linux XFS volumes in LVM - www.strongerinc.org
Jul 04, 2017 · How to reduce/shrink Linux XFS volumes in lvm reduce lv size LVM Tuesday, July 4, 2017 XFS is the default file system on CentOS 7 and RHEL 7 as a very viable alternative to ext3 and ext4, particularly with awesome new freeze and snapshot features of xfs (xfs_freeze, …lvreduce man | Linux Command Library
LV Logical Volume name. See lvm (8)for valid names. An LV positional arg generally includes the VG name and LV name, e.g. VG/LV. String See the option description for information about lvm reduce lv size the string content. Size [UNIT] Size is an input number that accepts an optional unit.Ubuntu 16.04: Extend and reduce LVM root filesystem ...
Reduce size must be larger than physical volume size. Check physical volume size with pvdisplay. $ sudo pvdisplay /dev/vdb1 --- Physical volume --- PV Name /dev/vdb1 VG Name ubuntu-vg PV Size 80.00 GiB / not usable 3.00 MiB Allocatable yes (but full) PE Size 4.00 MiB Total PE 20479 Free PE 0 Allocated PE 20479 PV UUID oJ75n9-BQbp-zFQd-t0Ct-ChNL-zpzT-MTzWbdHowTo: Shrink size of ext4 LVM logical volume
3) Shrink the filesystem to the desired size 4) Reduce the size of the underlying logical volume 5) Check if the resulting logical volume and filesystem are ok 6) Re-mount the logical volume To illustrate the procedure assume a volume group name vg_d620 which contains the lv_example logical group.“The difference is that lvextend can only increase the size of a volume, whereas lvresize can increase or reduce it.” The first attempt at specifying 24GB did not work. After I completed the procedure I found that you can also specify a flag 100%, but unfortunately, I didn’t get that information in time and just ended up specifying 23GB.
Linux LVM reduce root volume - Spiceworks
How-To reduce the size of LVM root volume from 18.8G to 10G on Ubuntu 14 Server. Block Device listing output before resize: lsblk. NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 20G 0 disk ├─sda1 8:1 0 243M 0 part /boot ├─sda2 8:2 0 1K 0 part └─sda5 8:5 0 19.8G 0 part ├─nagios--vg-root (dm-0) 252:0 0 18.8G 0 lvm / amazon.co.uk: speedy stitcher sewing awlThe Logical Volume Manager (LVM) is installed with the base operating system and needs no further configuration. However, disks must be configured and defined lvm reduce lv size as a physical volume before the LVM can use them. Troubleshooting LVM There are several common types of problems with LVM …
Nov 05, 2020 · -name: Create a logical volume of 512m www.strongerinc.org vg: firefly lv: test size: 512-name: Create a logical volume of 512m with disks /dev/sda and /dev/sdb www.strongerinc.org vg: firefly lv: test size: 512 pvs: /dev/sda,/dev/sdb-name: Create cache pool logical volume www.strongerinc.org vg: firefly lv: lvcache size: 512m opts ...
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