HP StorageWorks P9000 Performance Advisor Software v5.3 User and Troubleshooting Guide (T1789-96322, August 2011)

DescriptionScreen elements
The RG utilization threshold value indicates the average overall RAID group utilization that you
define for an individual RAID group over the threshold duration. P9000 Performance Advisor
uses this value to verify whether the average overall RAID group utilization of each RAID group
is within or beyond the set threshold limit.
The default threshold value is 50%.
If the utilization of one RAID group exceeds the defined threshold, the status icon appears.
RG Util (%)
The DKA Util (%) threshold value indicates the average overall utilization of the MPs that can
be utilized on an installed DKA over the threshold duration. P9000 Performance Advisor uses
this value to verify whether the average overall utilization of each installed DKA is within or
beyond the set threshold.
The default threshold value is 70%.
If the utilization of one exceeds the defined threshold limit, the status icon appears.
NOTE:
The DKA Util (%) metric is applicable for the DKA MPs only on the XP disk arrays.
DKA Util (%)
MP Blade
If any of the MP blades usage exceeds the defined threshold limit during the specified threshold duration for an MP blade metric, the
status icon appears in the MP Blade category in the XP/P9000 Array Health section. For example, if the usage of an MP blade
for the MP Blade Util (%) metric exceeds the defined threshold even once, the status icon appears.
The MP Blade Util (%) threshold value indicates the average overall utilization of the MPs that
can be utilized on an installed MP blade over the threshold duration. P9000 Performance
Advisor uses this value to verify whether the average overall utilization of each installed MP
blade is within or beyond the set threshold limit.
The default threshold value is 70%.
If the average utilization of one MP blade exceeds the defined threshold limit, the status
icon appears.
NOTE:
The MP Blade Util (%) metric is applicable for MP blades on the P9000 disk arrays.
MP Blade Util (%)
Viewing dashboard
P9000 Performance Advisor displays the overall usage summary of the XP and the P9000 disk arrays
on the Dashboard screen, which appear after you log on to P9000 Performance Advisor. If you are
on another screen, click Dashboard in the left pane to view the Dashboard screen.
DescriptionSections
Displays the appropriate status icons that depict the overall usage status of the
XP or the P9000 disk arrays in the following categories:
• Frontend
• Cache
• Backend
• MP Blade (applicable only for the P9000 disk arrays)
For more information, see “XP/P9000 array health” on page 130.
XP/P9000 Array Health
Monitoring performance of XP and P9000 disk arrays128