Difference between revisions of "Extend LVM on qcow2 images"
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| − | Process | + | == Process == |
* <code>[[qemu-img resize]]</code> -> <code>[[virt-resize]]</code> -> <code>[[lvextend|lvextend --resizefs]]</code> | * <code>[[qemu-img resize]]</code> -> <code>[[virt-resize]]</code> -> <code>[[lvextend|lvextend --resizefs]]</code> | ||
| − | Examples | + | == Examples == |
* Example using <code>[[virt-resize]]</code>: https://fatmin.com/2016/12/20/how-to-resize-a-qcow2-image-and-filesystem-with-virt-resize/ | * Example using <code>[[virt-resize]]</code>: https://fatmin.com/2016/12/20/how-to-resize-a-qcow2-image-and-filesystem-with-virt-resize/ | ||
* https://www.technomenace.com/2014/08/how-to-extend-lvm-on-qcow2-images/ | * https://www.technomenace.com/2014/08/how-to-extend-lvm-on-qcow2-images/ | ||
| − | Commands | + | == Commands == |
* <code>[[qemu-img]] [[qemu-img resize|resize]] c845ba080f2326a51c53965af1ac6c18 +3G</code> | * <code>[[qemu-img]] [[qemu-img resize|resize]] c845ba080f2326a51c53965af1ac6c18 +3G</code> | ||
* <code>[[qemu-img info]]</code> | * <code>[[qemu-img info]]</code> | ||
Revision as of 11:38, 4 March 2020
Contents
Process
Examples
- Example using
virt-resize: https://fatmin.com/2016/12/20/how-to-resize-a-qcow2-image-and-filesystem-with-virt-resize/ - https://www.technomenace.com/2014/08/how-to-extend-lvm-on-qcow2-images/
Commands
qemu-img resize c845ba080f2326a51c53965af1ac6c18 +3Gqemu-img info- Modify partition with:
fdisk /dev/vdX+ Reboot pvresize /dev/vdX#(Expand a PV after enlarging the partition)lvextend -L +1.8G /dev/mapper/VolGroup-lv_rootresize2fs /dev/mapper/VolGroup-lv_root
Activities
- Read about raw files and qcow2 differences: https://www.berrange.com/posts/2017/02/10/the-surprisingly-complicated-world-of-disk-image-sizes/
See also
qemu-img:qemu-img info,qemu-img check,qemu-img resize,qemu-img create, qcow2,qemu-img rebase,qemu-img convert,qemu-img commit,qemu-img ammend- Qcow file format
- KVM, Installation, QEMU,
virsh,virtinst,libguestfs-tools, libvirt, qemu, Red Hat Virtualization (RHV), MacVTap, Virtio, oVirt, KVM services, KVM networking, KVM graphics, CPU, KVM on ARM virt-resize- LVM: LVM errors LVM scan commands
lkvmetad, Add a new disk
- scan:
pvscanvgscan - LVM:
lvslvmscanlvm fullreportlvmreportlvmconfiglvmdumplvmchecklvm dumpconfig - Scan:
pvsvgslvspvscanvgscan - PV:
pvcreatepvremovepvscanpvremovepvscanpvspvchangepvckpvdisplaypvresize - LV:
lvdisplaylvcreatelvremove,lvresize,lvextend,lvreduce,lvrename - VG:
vgdisplay,vgcreate,vgremove,vgextend,vgreduce,vgscan,vgchange,vgrename,vgcfgbackup,vgcfgrestore,vgimportclone,vgck - Check commands:
pvckvgck
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