
Offload System Differences Between TSIDONL Onload and TSIDONL Restore
Chapter 13. Disk Space Management 13-33
Suppose now we onload our previously offloaded datasets. After doing this, DATASET.A
would look as follows:
Version number Absolute
generation number
(AGN)
148
247
346
445
5 (old ver. 3) 52 (AGN is used to
find where the
onloaded datasets
belong)
6 (old ver. 4) 51
7 (old ver.5) 50
8 (old ver.6) 49
The offloaded datasets were onloaded according to their AGNs, so they are no longer version
3 through 6, but versions 5 through 8.
Now suppose we restore our previously offloaded datasets. After doing this, DATASET.A
would look as follows:
Version
number
Absolute
generation
number (AGN)
1 (old ver.3) 52 (old AGN=44)
2 (old ver.4) 51 (old AGN=43)
3 (old ver.5) 50 (old AGN=42)
4 (old ver.6) 49 (old AGN=41)
548
647
746
845
Each restored version is restored as version 1. AGN=41 is restored first, AGN=42 second,
and so on. As each dataset is restored, it receives a new AGN.
'DATASET.A'
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