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3.2.2.2 Tier Configuration
TIER CONFIG displays the detailed tier configuration information for all of the tiers (Figure 3–13).
Figure 3–13 Tier Configuration Screen
The headings for the Tier Configuration screen indicate the following values or conditions for the tiers.
Total LUNs lists the number of LUNs that currently reside on the tier.
NOTE :
The health indication for the spare channel under the 'Healthy Disks' heading is an
indication of the health of the spare disk (if any) that is currently being used to replace
a disk on the listed tier. The health indication for the spare channel that is physically
on the listed tier is found under the 'Sp H' heading.
These headings indicate the respective conditions on the tier.
F failed disk (if any).
R replaced disk (if any).
Sp H whether the spare disk that is physically on the tier is healthy.
Sp A whether the spare disk that is physically on the tier is available for use as a
replacement.
Spare Owner current owner of the physical spare tier, where ownership is assigned when the
spare is used as a replacement.
Spare Used on tier (if any) on which this physical spare is being used as a replacement.
Repl Spare from tier (if any) whose spare disk is being used as a replacement. Tiers are in 8+1
mode by default.
NOTE :
RES-# will display under the Spare Owner heading while a replacement operation is
underway to indicate that unit '#' currently has the spare reserved.
TIER CONFIG=ALL displays tier configuration and replacements for both 8+1 and 8+2 modes. (Figure
3–14).