Case 1: Block Storage Application Case
Case 2: Ceph File System
Case 3: Creating an Object Storage Server

1 Case 1: Block Storage Use Case

1.1 Question
Continuing the experiment content of Day03, demonstrating the application case of block storage, and realizing the following functions:

Create image snapshotRestoring data using snapshotsClone an image using a snapshotdelete snapshot

1.2 Steps
The following steps are required to implement this case.

Step 1: Create an image snapshot

1. View image snapshots (by default all images have no snapshots).

 [[email protected] ~]# rbd snap ls jacob#Check if a mirror has snapshots, jacob is the name of the mirror, ls is the list view

2. Create a snapshot of the image.

[[email protected] ~]# rbd snap create jacob --snap jacob-snap1