Data backup method and device, electronic equipment and storage medium

The invention discloses a data backup method and device, electronic equipment and a storage medium, and the method comprises the steps: controlling a system to suspend receiving a write operation request, and storing first feature data on the system; and generating a snapshot of the system based on the first feature data, and backing up the snapshot of the system. 本申请公开了一种数据备份方法及装置、电子设备、存储介质，所述方法包括：控制系统暂停接收写操作请求，所述系统上存储有第一特征数据；基于所述第一特征数据生成所述系统的快照，并对所述系统的快照进行备份。