Difference between revisions of "Extend LVM on qcow2 images"
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| − | * | + | == Process == |
| + | * <code>[[qemu-img resize]]</code> -> <code>[[virt-resize]]</code> -> <code>[[lvextend|lvextend --resizefs]]</code> | ||
| + | == Examples == | ||
| + | * 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/ | ||
| − | + | == Commands == | |
| − | * <code>[[qemu-img]] resize c845ba080f2326a51c53965af1ac6c18 +3G</code> | + | * <code>[[qemu-img]] [[qemu-img resize|resize]] c845ba080f2326a51c53965af1ac6c18 +3G</code> |
| + | * <code>[[qemu-img info]]</code> | ||
* Modify partition with: <code>fdisk /dev/vdX</code> + Reboot | * Modify partition with: <code>fdisk /dev/vdX</code> + Reboot | ||
* <code>[[pvresize]] /dev/vdX#</code> (Expand a PV after enlarging the partition) | * <code>[[pvresize]] /dev/vdX#</code> (Expand a PV after enlarging the partition) | ||
| Line 9: | Line 14: | ||
* <code>[[resize2fs]] /dev/mapper/VolGroup-lv_root</code> | * <code>[[resize2fs]] /dev/mapper/VolGroup-lv_root</code> | ||
| + | |||
| + | == Activities == | ||
| + | * Read about raw files and [[qcow2]] differences: https://www.berrange.com/posts/2017/02/10/the-surprisingly-complicated-world-of-disk-image-sizes/ | ||
| + | |||
| + | == Related == | ||
| + | * [[Kubernetes PVC resize: kubectl patch pvc]] | ||
| + | * [[Increase EBS size]] | ||
== See also == | == See also == | ||
| − | * | + | * {{qemu-img}} |
| − | * [[ | + | * [[wikipedia:Qcow|Qcow]] file format |
| + | * {{KVM}} | ||
* <code>[[virt-resize]]</code> | * <code>[[virt-resize]]</code> | ||
| + | * {{LVM}} | ||
[[Category:Linux]] | [[Category:Linux]] | ||
[[Category:Virtualization]] | [[Category:Virtualization]] | ||
Latest revision as of 15:31, 14 April 2023
Process[edit]
Examples[edit]
- 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[edit]
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[edit]
- Read about raw files and qcow2 differences: https://www.berrange.com/posts/2017/02/10/the-surprisingly-complicated-world-of-disk-image-sizes/
Related[edit]
See also[edit]
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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