Hitachi TrueCopy for IBM z/OS User and Reference Guide (T5211-96001, June 2007)

vi Contents
Hitachi Universal Storage Platform V TrueCopy for IBM z/OS User’s Guide
Changing the Option Settings of CUs ......................................................... 5-56
Configuring and Maintaining Your TCz Environment........................................... 5-60
Optimizing TrueCopy for z/OS Operations and Storage System Performance. 5-60
Changing from 3990 to 2105 or 2107 Emulation......................................... 5-63
Powering Off/On TrueCopy for z/OS Components....................................... 5-64
Planned Outage of the MCU ............................................................... 5-64
Planned Outage of the RCU or Remote Copy Connection ...................... 5-66
Planned Outage of the MCU and RCU.................................................. 5-66
Discontinuing TrueCopy for z/OS Operations..................................................... 5-67
Performing TrueCopy for z/OS Pair Operations ....................................... 6-1
Creating TrueCopy for z/OS Pairs....................................................................... 6-2
Initial Copy Options.................................................................................... 6-9
Pair Options ............................................................................................ 6-11
Changing Pair Options .................................................................................... 6-13
Viewing TrueCopy for z/OS Pair status ............................................................. 6-16
Splitting TrueCopy for z/OS Pairs ..................................................................... 6-20
Resynchronizing TrueCopy for z/OS Pairs ......................................................... 6-24
Releasing TrueCopy for z/OS Pairs................................................................... 6-28
ICKDSF Considerations for TrueCopy for z/OS Volumes ..................................... 6-33
ICKDSF on a TrueCopy for z/OS M-VOL ..................................................... 6-33
ICKDSF on a TrueCopy for z/OS R-VOL...................................................... 6-34
Pinned Track Recovery for TCz Volumes........................................................... 6-35
TrueCopy for z/OS Usage Scenarios....................................................... 7-1
This chapter describes several usage scenarios for TrueCopy for z/OS Using
TrueCopy for z/OS for Disaster Recovery ..................................................... 7-1
Using TrueCopy for z/OS for Disaster Recovery................................................... 7-2
Preparing for Disaster Recovery .................................................................. 7-2
Considering the M-VOL Fence Level Setting ........................................... 7-4
Transferring Sense Information Between Sites....................................... 7-6
File and Database Recovery Procedures ................................................ 7-7
CSUSPEND/QUIESCE TSO Command .................................................... 7-8
IEA494I System Console Message......................................................... 7-8
Analyzing the Currency of TrueCopy for z/OS Sync R-VOLs ................... 7-10
Analyzing the Consistency of TrueCopy for z/OS Async R-VOLs ............. 7-11
Transferring Operations Back to the Main Site............................................ 7-12
Resuming Normal Operations at the Main Site............................................ 7-14
Using TrueCopy for z/OS for Data Migration ..................................................... 7-16
Using TrueCopy for z/OS for Duplication........................................................... 7-18