Ca link status metrics – HP XP Performance Advisor Software User Manual
Page 205
Table 16 Continuous access configuration data (continued)
Description
Screen element
RAID group to which volume type (P-VOL or S-VOL) the
LDEV belongs.
RG
RAID classification for the RAID group is determined based
on the associated volume type (P-VOL or S-VOL).
RAID Level
CA link status metrics
Select the row to see the performance metrics of PVOL or SVOL (based on the volume type). If
journals are displayed in the selected row, the journal group and volume details are also displayed.
If a CTG-ID is displayed in the selected row, the CTG performance data is displayed in
performance data and journal information” (page 205)
. To view continuous access journals and
volumes data, see
and
“CA journal volumes” (page 207)
. You can also
click a particular record to highlight the record and then click Plot Chart to choose the metrics and
view the respective performance graphs.
“CA volume performance data and journal information” (page 205)
describes the data displayed:
Table 17 CA volume performance data and journal information
Description
Screen elements
CTG to which the P-VOL belongs.
CTG-ID
Average I/O per second of the LDEV based on the selected
CTG ID.
Avg Write IOPS
Total I/O per second of the LDEV based on the selected
CTG ID.
Write IOPS
Average MB of data written per second to the LDEV based
on the selected CTG ID.
Avg Write MBPS
Total MB of data written per second to the LDEV based on
the selected CTG ID.
Write MBPS
Table 18 CA volume performance data
Description
Screen elements
LDEV configured as the PVOL or SVOL LDEV on the array
for which user is viewing the data.
CA-VOL
The total I/Os on the LDEV per second.
IOPS
The total MB/s of data written to the LDEV based on the
selected volume type (S-VOL or P-VOL) per second.
MBPS
Displays the total backend tracks associated with selected
volume type (S-VOL or P-VOL).
Backend Tracks
The average read response time of LDEV based on the
selected the volume type (S-VOL or P-VOL).
Avg Read RT
The average write response time of LDEV based on the
selected volume type (S-VOL or P-VOL).
Avg Write RT
The average host port assigned per I/O based on the
selected volume type (S-VOL or P-VOL).
Avg Host Port IO
The average host port assigned per MB based on the
selected volume type (S-VOL or P-VOL).
Avg Host Port MB
The total percentage of CLPR data usage that is configured
for the selected volume type (S-VOL or P-VOL).
CLPR Usage %
Viewing continuous access data for XP and XP7 disk arrays 205