Replace host with the name of your backup host and SOURCE with the directory you want to save.
把HOST替换为自己的备份主机名,把SOURCE替换为希望保存的目录。
When a block is written to the active disk, a copy of the block is also written to the backup host.
当将一个数据块写入活动磁盘时,该数据块也将写入备用主机。
Change the IP address (or host name) on the backup server to resolve to the IP address (or the host name) of the original server.
在备份服务器上修改IP地址(主机名)以解析为原始服务器的IP地址(或主机名)。
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