This family consists of TS7740 and TS7720.
Each machine group as a cluster.Cluster group as a family.
Each family and cluster can be in a grid.Maximum 8 cluster is allowed.
IBM TS7720- consists of 3957-veb. And ds6000 disk.
It does not have any external tape drive and tape library.
256 virtual drive emulated .data read and write much more faster than TS7740.
Cons-no physical stack volume.
IBM TS7740-4th generation of enterprise storage.
Later version called VTS(virtual tape system) attached to IBM 3494.
It used 3540 and 3590 drives.some customer upgrade and add 3592 drive.
TS7740 also called as VE (virtual engine).The engine using p-series machine.
Knowledge in AIX is recommended to have but not necessary as is use smitty menu.
TS7740 : VE is attach to IBM TS3500 tape library.Machine type 3584 and use 3592 drive.
Drives is connect to Fibre switch and native drive connect directly to VE.
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