PPRC (continued) distance 33

hardware requirements 34 operation 33

PPRCOPY command 35 r ec ov ery 37

SnapShot considerations 36 software requirements 34

PPRCOPY command

parameters 35

R

REPORT

 

command detail

52

command syntax

27

device detail 29

 

device s u m m a r y

31

example 53

 

sample output 54 requirements

PPRC 34

S

SnapShot

architecture 3

command details 43 command syntax 21 cylinder range 23 example 45

file relocation 47 file snap 24 logical copy 3 operation 4

PPRC considerations 36 resources 3

test system 48 v o l u m e snap 21 VSE/VSAM 22, 59

software

requirements 13 space management 7 storage management 7 system testing

SnapShot 48

T

TNT description 2

reference counter 2, 4 track number table

See TNT

U

update in place 1

V

virtual disk architecture 1 VM minidisks 17

VSE/VSAM

sample JCL 59 SnapShot 22, 59 volume backup 60

72 RAMAC Virtual Array, Peer-to Peer Remote VSE/ESA

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IBM SG24-5360-00 manual Pprc distance