Submitting forms on the support site are temporary unavailable for schedule maintenance. If you need immediate assistance please contact technical support. We apologize for the inconvenience.
Get Live Help
You have selected a product bundle. Can you please select the individual product for us to better serve your request.*
There is not a technical support engineer currently available to respond to your chat. For prompt service please submit a request using our service request form.
The following articles may solve your issue based on your description.
The Disk I/O dashboard provides performance details for read/write operations. This dashboard contains the following:
Devices spaces information is provided in a table and a chart:
The logical name of the device.
The physical name of the device with directory path.
Space Total (MB)
The total memory space available to this device, in megabytes.
Space Allocated (MB)
The total memory space allocated to this device, in megabytes.
Space Allocated Percent
The percentage of device space allocated in the device space available.
Device I/O Summary
The following three values, plotted over time:
Device activity information is provided in a table and a chart:
Drill down by clicking on any device. A Sybase Disk I/O Detail chart appears.
The number of writes for the selected time range.
The number of reads for the selected time range.
The number of APF (Asynchronous Prefetch Activity) reads for the selected time range.
Time Range Period:
The total number inputs and outputs for the selected time range.
You can drill down by clicking on any field in this column. A popup appears showing the following three values, plotted over time:
The average number of writes for the selected time range.
The average number of reads for the selected time range.
APF Reads avg.
APF Reads count
The average number of APF (Asynchronous Prefetch Activity) reads for the selected time range.
The number of inputs and outputs per second.
The number of milliseconds per input/output.
The following three values, plotted over time for all of the monitored devices:
Physical Writes (All Devices)
The number of physical writes for each device, plotted over time.
Physical Reads (All Devices)
The number of physical reads for each device, plotted over time.
You can find online support help for Quest *product* on an affiliate support site. Click continue to be directed to the correct support content and assistance for *product*.
The document was helpful.
I easily found the information I needed.
© 2022 Quest Software Inc. ALL RIGHTS RESERVED.
The Quest Software Portal no longer supports IE8, 9, & 10 and it is recommended to upgrade your browser to the latest version of Internet Explorer or Chrome.
Upgrade to IE 11 Click here
Upgrade to Chrome Click here
If you continue in IE8, 9, or 10 you will not be able to take full advantage of all our great self service features.