12/9/2023 0 Comments Virtualbox add more disk space$ VBoxManage clonehd ol6-112.vdi ol6-112-b.vdi -format VDI -variant Standard The VBoxManage modifyhd command doesn't work on fixed disks, so to get around this, simply clone the existing disk to a dynamically allocated disk, then resize that. If you need more information about the Linux Logical Volume Manager (LVM), you can read about it here. In the comments Juan suggested the following command if you are using BTRFS.Ĭhecking the size of the file systems reveals the root file system has grown by approximately 10G.įilesystem Size Used Avail Use% Mounted on If we had not used this, we would have to run the resize2fs command separately. The lvextend command used the -resizefs option. # lvextend -extents +2559 -resizefs /dev/vg_ol6112/lv_root Thanks to Julian Dyke for suggesting the extents approach. In the above example, the size of 9.99G was used to allow it to fit, but a better alternative would be to specify the size using extents, using one less extent than the number reported in the error, as shown below. If we had specified a size of 10G, we might have got an error message saying something like, "could not extend by 2560 extents", due to a rounding error. The filesystem on /dev/mapper/vg_ol6112-lv_root is now 9322496 blocks long. Performing an on-line resize of /dev/mapper/vg_ol6112-lv_root to 9322496 (4k) blocks. Logical volume lv_root successfully resizedįilesystem at /dev/mapper/vg_ol6112-lv_root is mounted on / on-line resizing required Rounding size to boundary between physical extents: 9.99 GiBĮxtending logical volume lv_root to 35.56 GiB # lvextend -size +9.99G -resizefs /dev/vg_ol6112/lv_root Use this information in the lvextend command to extend the logical volume. Use the vgdisplay command to get the free space in the volume group. Use lvdisplay command to get the root logical volume name. Volume group "vg_ol6112" successfully extended VG UUID M3LcFJ-etHj-u7zh-I4em-4Js0-SczK-8JDj93 Display the volume group name using the vgdisplay command, then use the volume group name and partition name with the vgextend command. Physical volume "/dev/sda3" successfully createdĪdd the physical volume to the existing volume group. Create a physical volume from the "/dev/sda3" partition using the pvcreate command. Add Partition to LVMĪdd the new partition to the volume group. If we had used a new virtual disk, rather than extending the existing one, we would not have needed to reboot after the partitioning step. The next reboot or after you run partprobe(8) or kpartx(8)ĭue to the final warning, the VM must be rebooted before you can continue. WARNING: Re-reading the partition table failed with error 16: Device or resource busy. Write the changes to the partition table using the "w" command.Ĭalling ioctl() to re-read partition table. In this case, the sequence of entries was, "t, 3, 8e".Ĭhanged system type of partition 3 to 8e (Linux LVM) VBoxManage: error: Cannot register the hard disk '/u01/VirtualBox/ol6-112/ol6-112.vdi' (3917-5221, default 5221):Ĭhange the partition type to "Linux LVM". If this command gives an error, saying the disk is already registered, use the UUID presented in the error in place of the file name, as shown below. The examples below show how to resize a virtual disk to 40G on Linux and Windows. If you want to specify the size in bytes, use the -resizebytes option. The -resize option assumes a size is specified in megabytes. The approach is similar on Linux and Windows. If the virtual disk is defined as dynamically allocated (Dynamically allocated differencing storage), the existing disk is extended using the VBoxManage modifyhd command. Home » Articles » Vm » Here VirtualBox : Extend Virtual Disk and File System
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