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Chapter 13. Data Migration in zSeries environments 263
* PRIMARY.... 5005076300C09621 2.4.01.0062 *
* SECONDARY.1 5005076300C09629 *
********************************************************************
ANTP0001I CQUERY COMMAND COMPLETED FOR DEVICE 6102. COMPLETION CODE: 00
A quick way is to open the data set which received the SYSTSPRT output from TSO in batch
and exclude all data. Then an F COMPLETE ALL would only display a single line per volume
and you could quickly spot when a volume is not 100% complete. This manual approach
might be acceptable for a one-time effort when migrating data in small or medium sized
configurations.
Example 13-4 All data is replicated
************** PPRC REMOTE COPY CQUERY - VOLUME ********************
* (PRIMARY) (SECONDARY) *
* SSID CCA LSS SSID CCA LSS*
*DEVICE LEVEL STATE PATH STATUS SERIAL# SERIAL# *
*------ --------- ---------- ----------- --------- --------- *
* 6102 PRIMARY.. PENDING.XD ACTIVE.. 6100 02 01 8100 02 01 *
* CRIT(NO)....... CGRPLB(NO). 000000022665 000000022673*
* PATHS PFCA SFCA STATUS: DESCRIPTION *
* ----- --------- ------ ------------------- *
* 1 00A4 0020 13 PATH ESTABLISHED... *
* ---- ---- 00 NO PATH............ *
* ---- ---- 00 NO PATH............ *
* ---- ---- 00 NO PATH............ *
* PERCENT OF COPY COMPLETE = 100% *
* SUBSYSTEM WWNN LIC LEVEL *
* ----------- ---------------- ----------- *
* PRIMARY.... 5005076300C09621 2.4.01.0062 *
* SECONDARY.1 5005076300C09629 *
********************************************************************
ANTP0001I CQUERY COMMAND COMPLETED FOR DEVICE 6102. COMPLETION CODE: 00
Again all these approaches to utilize microcode-based mirroring capabilities require the right
hardware as source and target disk servers.
For completeness it is pointed out that Global Mirror is also an option to migrate data from an
ESS 750 or ESS 800 to a DS6000. This might apply to certain cases at the receiving site
which require consistent data at any time, although Global Copy is used for the actual data
movement. Please note that the consistent copy in the new disk server is not concurrent with
the primary copy except if the application is stopped and all data is replicated.
Another approach to migrate data beyond the scope of volumes is to use software which
migrates data on a logical or data set level and locates the data sets through their respective
catalog entries. This approach is outlined in the following section.
13.3 Data migration based on logical migration
Data migration based on logical migration is a data set by data set migration which maintains
catalog entries according to the data movement between volumes and, therefore, is not a
volume-based migration. This is the cleanest way to migrate data and also allows device
conversion from, for example, 3380 to 3390. It also supports transparently multivolume data
sets. Logical data migration is a software-only approach and does not rely on certain volume
characteristics nor on device geometries.