Patent ID: 11954353
Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 7:
8. A computer system for tape-to-tape copying between nodes on a Linear Tape File System using a cluster-wide named pipe, the computer system comprising:
one or more computer processors;
one or more computer readable storage devices;
program instructions stored on the one or more computer readable storage devices for execution by at least one of the one or more computer processors, the stored program instructions comprising:
program instructions to transfer data, through a data path for storage, between a first node and a second node, wherein both the first node and the second node implement a parallel shared-disk file system through the data path for storage, wherein the data path for storage comprises node data reading and writing from a shared-disk and to the shared-disk, and wherein the transferring of data between the first node and the second node comprises:
program instructions to write, by the first node, the data for tape-to-tape copy from a first tape drive to the shared-disk; and
program instructions to write, by the second node, the data written from the shared-disk to a second tape drive, wherein writing the data from the shared-disk to the second tape drive comprises:
program instructions to obtain one or more head data blocks and head offset from metadata of a global first-in-first-out (gfifo) object; and
responsive to determining a requested data length for the one or more head data blocks block is greater than zero, program instructions to read at least a portion of the data from a head offset of the one or more head data blocks.