系統整合優化

# PG 自動伸縮
ceph osd pool autoscale-status
ceph mgr module enable pg_autoscaler
ceph osd pool set pool_name pg_autoscale_mode on

# kvm
qemu-img create -f raw rbd:vm/vmname-disk1 100G
qemu-img resize -f raw rbd:vm/vmname-disk1 200G
qemu-img info rbd:vm/vmname-disk1

qemu-img snapshot -l rbd:rbd/fedora
qemu-img snapshot -c sp0 rbd:rbd/fedora
qemu-img snapshot -l rbd:rbd/fedora
qemu-img snapshot -a sp0 rbd:rbd/fedora
rbd snap ls rbd/fedora
qemu-img snapshot -d sp0 rbd:rbd/fedora