Areca 24/4 Internal/External Port Pcie 3.0 12 Gb/s SAS/SATA Raid Controller 2Gb Cache - Manual (Page 190)

WEB BROWSER-BASED CONFIGURATION
190
2. The following setting is changed for AJA mode, and reboot is
required for the setting to take effect.
<a>. Under Optimize For AV Recording mode: 3
Read Performance Margin and Write Performance Mar-
gin are enabled with “No” setting is 0%, reboot is not
required to change Read Performance Margin and Write
Performance Margin
<b>. If Read Performance Margin or Write Performance Margin
are changed to X%, reboot is not required to change X%
to Y%.
<c>. For NON-VIDEO application, the following setting is rec-
ommended
Buffer Threshold Setting: 25%
Optimize AV Recording: disabled
Example:
(1). Only write throttling is required
(a). Buffer Threshold Setting: 5%
(b). Optimize For AV Recording Mode left unchanged (Dis-
abled)
(c). Read Performance Margin left unchanged (No)
(d). Write Performance Margin set to X%
(e). Reboot
(f). Adjust Write Performance Margin to fine tune the result
(no reboot required)
Setting and Usage
Optimize AV Read Margin Write margin Description
Mode 3 Any Any R/W AJA mode with
throttling, no sorting
Mode Disabled/1/2 X% X% R/W AJA mode with
throttling and sorting
Mode Disabled/1/2 X% No Read AJA mode with
throttling and sorting
Mode Disabled/1/2 No X%
Write AJA mode with
throttling and sorting