This process is extremely easy to do with LVM as it can be done on the fly with no downtime needed, you can perform it on a mounted volume without interruption. In order to increase the size of a logical volume, the volume group that it is in must have free space available. To view...
How to Increase the size of a Linux LVM by adding a new disk– In this article a new virtual disk is added to the virtual machine, a new partition is created, the volume group and logical volume are both expanded and then the filesystem is resized. How to Decrease the size of a...
Device Start End Sectors Size Type /dev/sda1 34 2047 2014 1007K BIOS boot /dev/sda2 2048 1050623 1048576 512M EFI System /dev/sda3 1050624 3513778142 3512727519 1.6T Linux LVM Partition 1 does not start on physical sector boundary. root@:~# pvs PV VG Fmt Attr PSize PFree /dev/sda...
The virtual machine should restart and should now boot into CentOS (or whichever Linux distribution you're using). Once it finishes booting, open up a Bash shell and enter in the 'df -h' command again to see if the partition size(s) have changed. In my example, I increased 3 drive ...
CentOS7.7的swap默认安装下,使用lvm的lv做swap,当需要增大swap空间时,可以考虑如下操作: 1.当前状态 [root@syk01~]# swapon-s 文件名 类型 大小 已用 权限/dev/dm-1partition20971480-2[root@syk01~]# lvs LV VG Attr LSize Pool Origin Data%Meta%Move Log Cpy%SyncConvertroot centos-wi-ao--- 36.99...
Extend data partition - sdb & sdc: To resize the two data partitions which are LVMs and the steps are different here versus root partition: Use "pvresize" to let LVM know that the physical disk size has changed: [before pvresize]
kernel /vmlinuz-2.6.32-431.20.3.el6.x86_64 ro root=/dev/mapper/vg_root-lv_root rd_NO_LUKS rd_LVM_LV=vg_root/lv_root LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16 rd_LVM_LV=vg_root/lv_swap KEYBOARDTYPE=pc KEYTABLE=us crashkernel=auto rhgb quiet rd_NO_DM rhgb quiet...
[root@client ~]# swapon -p 10 /var/swapfile Verify the priority. [root@client ~]# swapon -s Filename Type Size Used Priority /dev/sdb1 partition 1023992 0 10 /dev/sda2 partition 2096472 296 -2 That’s all centosfilesystem. ubuntulinuxredhatswap ...
You see how easy it is to resize swap size thanks to the swap files. You didn’t touch the partition, you didn’treboot the system. Everything was done on the fly. How cool is that! Similarly,resizing LVMis also a painless task. I like how these things have improved the Linux exper...
(LVM)Command (m for help):tSelected partition 1 Hex code (type L to list codes):8eChanged system type of partition 1 to 8e (Linux LVM)#这里输入w,保存退出Command (m for help):wThe partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. ...