Filter
Top Products
Chapter 5. Configuring Units
48 3ware Serial ATA RAID Controller User Guide for the Power Mac G5
To enable or disable queuing for a unit through 3DM
1 Choose
Management > Controller Settings from the menu bar in 3DM.
2In the
Unit Policies section of the Controller Settings page, enable
queuing by checking the box under “Queuing” for the designated unit;
disable it by unchecking the box.
The page refreshes, and a message at the top confirms the change that you
have made.
Setting the StorSave Profile for a Unit
You can set the desired level of data protection versus performance for a unit
by selecting the StorSave Profile. Three profiles are provided: Protection
(maximum data protection), Performance (maximum performance, less data
protection), and Balanced (a middle ground).The default is Protection.
About StorSave Profile Levels
The three profiles automatically adjust several different factors that affect
protection and performance on a per unit basis. These are summarized in the
table below and further explained after the table.
Note: Not all drives support NCQ. If a drive does not support NCQ, the policy
setting for the controller is ignored.
Table 6: StorSave Profile Definitions
Protection (Default) Balanced Performance
Definition
Maximum data
protection, but slower
performance.
More data protection than
Performance but less
data protection than
Protection.
Maximum performance
for the unit, but less data
protection.
FUA (Force Unit
Access)
Honor FUA Honor FUA Ignore FUA
Write Journaling
Enabled Disabled Disabled
Disable Cache on
Degrade
Enabled Disabled Disabled