Description: SE9900 S/390 ShadowImage - FlashCopy Extension is a S/390 only feature that is functionally compatible with the IBM FlashCopy® host software function. Peer to Peer Remote Copy (PPRC) Time Sharing Option (TSO) commands and/or DFSMSdss commands may be used to perform ShadowImage - FlashCopy Extension operations on the 9900 subsystem. (SE9980/SE9970)
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