DBTT pages Structure of pages
206 U929-J-Z125-9-76
Figure 50: Layout of a DBTT anchor page
Page header
Beginning of DBTT base
1
21
29
33
20
4
2
1
Own act key
X‘04‘ (Identifier
Page length
4
1
5
6
19
for DBTT anchor page)
35 Number of DBTT lines
4
of DBTT base
total number of
45
41
4
4
total number of DBTT lines
of DBTT
DBTT extents
39
49
65
63
2
Number of DBTT extents
in this page
Act key of the next
Block number Beginning
69
81
84
4
4
3
DBTT anchor page
Act-Key of the preceding
DBTT anchor page
of 1st DBTT extent
Block number Beginning
of 2nd DBTT extent 3
73
End of Page
87