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4-42 IBM Informix OnLine Database Server Administrator’s Guide
Step 2: Find Checkpoint Record in Logical Log
Once this information is read, it also identifies the location of all logical log
records written after the most-recent checkpoint. Figure 4-5 illustrates this
step.
Figure 4-5
Fast recovery,
step 2
Fast Recovery: Step 2
The physical address of the most-recent checkpoint record is stored in the root
dbspace reserved page, PAGE_CKPT. The checkpoint record is located in the
logical log.
Checkpoint
record
address
Checkpoint record
Logical log
Reserved page
PAGE_CKPT