In that case, the third collection of the monitoring information is started after the first tier relocation
is stopped or tier relocation has completed.
The collection of the monitoring information is not started under these conditions as well:
• When the second tier relocation is performed, the fourth collection of monitoring information
cannot be started.
• When the third tier relocation is performed, the fifth collection of monitoring information cannot
be started.
If such conditions exist, two cycles of monitoring information cannot be collected continuously while
tier relocation is performed.
Figure 10 Third collection of monitoring information while tier relocation is performed
Tier relocation flow
The following shows the flow of allocating new pages and migrating them to the appropriate tier.
The combination of determining the appropriate storage tier and migrating the pages to the
appropriate tier is referred to as tier relocation.
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