3590 stacking performance via JCL?

2008-02-13 Thread Kenaan Tabikh
Is anyone aware of a JCL parameter that enhances 3590 tape stacking performance? Maybe something in DATACLAS? I was told about this but cannot find anything. Maybe DCB=OPTCD=? Thanks, Ken Tabikh Verizon Data Services --

MCDNMIG

2006-03-07 Thread Kenaan Tabikh
Does anyone know if the MCDNMIG field in the DFHSM MCDS D record, which shows how many times a data set has migrated since being recalled, is useful or not? We are seeing high numbers in this field, and apparently the D records are being kept a very long time, perhaps longer than one would