AVGSIZE

integer

Average dataset size in kilobytes (compressed)

STKAVCSZ

AVGSIZEU

integer

Average dataset size in kilobytes (uncompressed)

STKAVUSZ

DATEUPD

date

Last update date of the stacking record

STKSTAMP

RFORMAT

Dataset recording format

STKRFMT

BPI200

200 bits per inch

BPI556

556 bits per inch

BPI800

800 bits per inch

BPI1600

1600 bits per inch

BPI6250

1625 bits per inch

TRACK18

18 tracks

TRACK36

36 tracks

TRACK128

128 tracks

TRACK256

256 tracks

TRACK384

384 tracks

EFMT1

Enterprise Recording Format 1

DSNAME

char (44)

Dataset name

STKDSN

JOBNAME

char (8)

Job name

STKJBN

LIFEOBS

integer

Total number of observations of the dataset (including observations not used to calculate dataset statistics)

This field is relevant only for datasets with nonspecific retention (for example, CATALOG or LAST ACCESS)

STKLSOBS

LIFESPAN

integer

Average life span of the dataset in days

This field is relevant only for datasets with non‑specific retention (for example, CATALOG or LAST ACCESS)

STKLSPAN

MAXSIZE

integer

Maximum dataset size in kilobytes (compressed)

STKMAXCS

MINSIZE

integer

Minimum dataset size in kilobytes (compressed)

STKMINCS

OBSERVE

integer

Number of observations of the dataset that were used to determine dataset statistics

STKOBS

PREDICTD

integer

Predicted dataset size in kilobytes (compressed)

STKPREDC

PREDICTU

integer

Predicted dataset size in kilobytes (uncompressed)

STKPREDU

STATUS

STK

NOSTK

Indication whether the dataset can be stacked

STKFLAG1

STDDEV

integer

Standard deviation (in kilobytes) of dataset size for all observations

STKSTDEV

TOTSIZQ

integer

Square of accumulated length of all dataset observations in kilobytes

STKTOTSQ

TIMEUPD

time

Last update time of the stacking record

STKSTAMP+4

UNIT

char (8)

Generic unit name

STKUNAM