VOLUMEID

FIXED(5)

Identification of the data volume

SECTIONNUMBER

FIXED(10)

Section offset on the data volume

USABLEBLOCKCOUNT

FIXED(4)

Number of blocks in the section

FREEBLOCKCOUNT

FIXED(4)

Number of free blocks in the section

SHADOWBLOCKCOUNT

FIXED(4)

Number of shadow blocks in the section

BACKUPBLOCKCOUNT

FIXED(4)

Number of backup blocks in the section

COMPRESSION

CHAR(3)

Section is selected for cluster compression

CLUSTERBACKUP

CHAR(3)

Section is selected for clustered backup