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Types of Files Supported—z/VM

The CA XCOM Data Transport Service Virtual Machine runs IBM's Group Control System (GCS) operating system. Due to the limitations of this environment, CA XCOM Data Transport for z/VM only supports the CMS extended file system format. This covers CMS files on minidisks formatted with 512 KB, 1,024 KB, 2,048 KB, and 4,096 KB block sizes.

Note: It does not support the following: CMS Shared File System, minidisks formatted with 800-byte blocks, or tape I/O.