Device section

This section summarizes the activity of one source/target disk device pair within a migration group.

Table 1 presents details on the Device section.

Table 1. SMF Record - Device section
Decimal Offset Hex Offset Name Length Format Description
0 0 ZDVVOLP 6 character Source volume serial
6 6 ZDVCCUUP 2 binary Source device number
8 8 ZDVVOLS 6 character Target volume serial
14 E ZDVCCUUS 2 binary Target device number
16 10 ZDVRC 2 binary Error codes:
  • 0 Success
  • 4 Warning
  • >4 Failure
18 12 ZDVRSN 2 binary Reason codes:
  • 0 Success
  • 4 Warning
  • >4 Failure
20 14 ZDVTRKS 4 binary Number of tracks migrated
24 18 ZDVIOS 4 binary Number of IOs
28 1C ZDVMODE 2 binary Modes:
  • X'20' Migration Mode
  • X'10' Logical Migration Mode. Only Valid On Primary Devices.
  • X'01' Logical Migration Mode Defined But Not Enabled
29 1D ZDVOPTS 1 binary Option flags:
  • X'08' Individual Device Suspend Allowed
  • X'04' Do Deact On Suspend Request
  • X'02' Extended SDDF
30 1E ZDVVFLAG 1 binary Verify flags:
  • X'80' Verify Volume Serial
  • X'40' Verify Volume Is Empty
  • X'20' No Verification Done
31 1F ZDVVACFL 1 binary Action complete flag:
  • X'40’ Divert
32 20 ZDVVVOLS 6 character Target verification volume serial
38 26 ZDVNVOLS 6 character Target new volume serial
44 2C ZDVACTM 8 clock Activation time STCK format