ceph 使用rbd扩容磁盘容量resize方式
创建一个rbd块设备：
qemu-img create -f rbd rbd:volumes/openEuler-test5G
扩容resize大小：
rbd resize --size 1Tvolumes/openEuler-test --allow-shrink
$ rbd infovolumes/openEuler-test
rbd image 'openEuler-test':
size 1 TiB in 262144 objects
order 22 (4 MiB objects)
snapshot_count: 0
id: 9d5ccdb42adeb
block_name_prefix: rbd_data.9d5ccdb42adeb
format: 2
features: layering, exclusive-lock, object-map, fast-diff, deep-flatten
op_features:
flags:
create_timestamp: Wed Oct 30 15:06:14 2024
access_timestamp: Sat Nov2 15:37:16 2024
modify_timestamp: Sat Nov2 15:44:24 2024
磁盘扩容成功。
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