| 摘要 |
Handling multiple backup processes comprises detecting that a defined storage volume is present in a first cascade of storage volumes, detecting that the defined storage volume is also present in a second cascade of storage volumes, receiving a data write for either the defined storage volume or the last storage volume in the first cascade of storage volumes, and performing a cleaning data write on the defined storage volume in the second cascade of storage volumes, the cleaning data write corresponding to the received data write.
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