因此，SQL存储过程必须为添加的每个块创建一个惟一的路径名。
Therefore, each chunk that you add has to have a unique pathname that is created by the SQL stored procedure.
HDR 备用服务器使用的存储必须匹配主服务器的存储（例如，必须匹配 dbspace 的数量、块的数量、块大小、路径名和偏移量）。
The storage used on the HDR secondary must match that of the primary (for example, number of dbspaces, number of chunks, chunk sizes, pathnames, and offsets).
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