HP XP Performance Advisor Software User Manual

Page 207

Advertising
background image

Table 20 CA journal (continued)

Description

Screen element

The % utilization of the journal group.

Usage (%)

Latest sequence # for writing to the PVOLs consistency
group at the PAIR state.

Qmarker

Number of remaining Q-Markers within the journal data.

Qcnt

Average write I/O per second of the PVOL based on the
selected journal ID.

PVOL Average Write IOPS

Total write I/O per second of the PVOL based on the
selected journal ID.

PVOL Write IOPS

Average MB of data written per second to the PVOL based
on the selected journal ID.

PVOL Average Write MBPS

Total MB of data written per second to the PVOL based on
the selected journal ID.

PVOL Write MBPS

Table 21 (page 207)

describes the performance metrics of LDEVs configured as journal volumes

and associated with the P-VOL:

Table 21 CA journal volumes

Column Head

Column Head

LDEV configured as a journal volume. Displays the LDEV
number in cu:ldev format.

LDEV ID

RAID group to which the journal LDEVs belong.

RG

MP blade ID processing requests for the journal group.

MP Blade

Average utilization of the MP blades that are associated
with the LDEVs.

MP Utilization %

Total number of backend tracks transferred to or from the
XP array backend.

Backend Transfer (Tracks)

Total random and sequential frontend read and write MBs
on the journal LDEV during the entire collection interval.

LDEV MB/s - Frontend

Total random and sequential frontend read and write I/Oss
on the journal LDEV during the entire collection interval.

LDEV I/Os - Frontend

Average read response time of all the journal LDEVs
created in a specified RAID group over the entire data
collection interval.

Avg Read Resp (msec)

Maximum read response time of all the journal LDEVs
created in a specified RAID group over the last 30 seconds
of the collection interval.

Max Read Resp (msec)

Viewing continuous access data for XP and XP7 disk arrays 207

Advertising