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IBM Tivoli Server-free backup
IBM introduced Server-Free backup with IBM Tivoli Storage Manager 5.1 in 2002 for Windows 2000 servers only.〔(IBM - Server-Free Data Movement Information )〕
Server-Free backup functionality (with DATAMOVER TYPE=SCSI) were included in IBM Tivoli Storage Manager version 5.1, 5.2, and 5.3, but not in 5.4 or later,〔(【引用サイトリンク】title=IBM Tivoli Storage Manager Administration Center: support for new and existing function - United States )〕 but (DATAMOVER TYPE=NAS) are supported in 5.4 and later.
==SCSI-3 Extended Copy==
Server-Free data movement uses the SCSI-3 EXTENDED COPY command〔()〕 and are carried out by a data mover device that must exists on the SAN, and it is the data mover device that is responsible for copying the data, either from a SAN-attached (client-owned) disk to a SAN-attached tape drive (server-owned), or vice versa.
From the T10 working group,〔(【引用サイトリンク】title=Introduction to T10 )〕〔( "Working Draft SCSI Primary Commands - 4 (SPC-4)" on page 103 )〕〔(T10/1731-D Information technology ISO/IEC 14776-314 SCSI Primary Commands - 4 (SPC-4) )〕 "The EXTENDED COPY command provides a means to copy data from one set of logical units to another set of logical units or to the same set of logical units. The entity within a SCSI device that receives and performs the EXTENDED COPY command is called the copy manager. The copy manager is responsible for copying data from the source devices to the destination devices. The copy source and destination devices are logical units that may reside in different SCSI devices or the same SCSI device."
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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