HP Vectra VE 5/xx hp toptools for desktops agent, resource monitoring and perf - Page 6

Disk Usage, Disk Activity, Network Usage, LAN I/O Packets

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Disk Usage Two measurements are provided: disk activity and disk space. Disk Activity This shows the percentage of time that the PC's hard disk drives are busy. A hard disk is busy if it is performing an input or output operation. This measurement is taken over a fixed period of time, and reflects each disk drive's average activity during that time. This measurement is only used in Toptools Value Pack and is only available for PCs running Windows NT or Windows 2000. Disk overactivity could indicate, for example, memory shortages through swap file activity (described earlier) lack of free disk space, or an inadequate mass storage system. For example, this PC could benefit from replacing the IDE system with a faster SCSI system. Disk Space The current free disk space and total disk space is shown for each logical disk (that is, for each hard disk partition on the PC). This is useful for viewing the PC's current hard disk configuration and usage. For example, if there is not enough free disk space on one of the logical disks, the PC may benefit from a different disk partition setup or even a disk drive upgrade. Network Usage Three measurements are provided: LAN I/O packets, LAN I/O error rate, and LAN bandwidth utilization. These measurements are provided for each LAN card installed in the PC. These measurements are all taken over a fixed period of time, and reflect the average value during that time. LAN I/O Packets This measurement shows the number of network packets received and sent by the LAN card. It can be useful for determining that the PC's network connection is working correctly, as well as for showing network traffic patterns. This measurement is only used in Toptools Value Pack and is only available for PCs running Windows NT or Windows 2000. Performance Advisor Example 2 This shows a remote PC's memory usage over the last hour. You can also view the memory usage over the last day, the last week, and the last month. Similar trend analysis information is available for CPU, disk input/output, and disk capacity. 5

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Disk Usage
Two measurements are provided: disk activity
and disk space.
Disk Activity
This shows the percentage of time that the PC’s
hard disk drives are busy. A hard disk is busy if it
is performing an input or output operation. This
measurement is taken over a fixed period of
time, and reflects each disk drive’s average
activity during that time.
This measurement is only used in Toptools
Value Pack and is only available for PCs running
Windows NT or Windows 2000.
Disk overactivity could indicate, for example,
memory shortages through swap file activity
(described earlier) lack of free disk space, or an
inadequate mass storage system. For example,
this PC could benefit from replacing the IDE
system with a faster SCSI system.
Disk Space
The current free disk space and total disk space
is shown for each logical disk (that is, for each
hard disk partition on the PC).
This is useful for viewing the PC’s current hard
disk configuration and usage. For example, if
there is not enough free disk space on one of the
logical disks, the PC may benefit from a different
disk partition setup or even a disk drive upgrade.
Network Usage
Three measurements are provided: LAN I/O
packets, LAN I/O error rate, and LAN bandwidth
utilization. These measurements are provided for
each LAN card installed in the PC.
These measurements are all taken over a fixed
period of time, and reflect the average value
during that time.
LAN I/O Packets
This measurement shows the number of network
packets received and sent by the LAN card.
It can be useful for determining that the PC’s
network connection is working correctly, as well
as for showing network traffic patterns.
This measurement is only used in Toptools Value
Pack and is only available for PCs running
Windows NT or Windows 2000.
Performance Advisor
Exampl
e 2
This shows a remote PC’s
memory usage over the last
hour.
You can also view the memory
usage over the last day, the last
week, and the last month.
Similar trend analysis
information is available for CPU,
disk input/output, and disk
capacity.