Optimizing Logical Drive Performance - Adaptec Storage Manager User Manual

Optimizing Logical Drive Performance

To ensure optimal performance of the logical drives in your storage space, you can select a
performance mode to improve I/O throughput based on the needs of your application. (This
feature is not supported on all controllers.) The following application-specific performance
modes are supported by Adaptec Storage Manager.
Performance Mode
Dynamic (default)
Online Transaction
Process (OLTP)/
Database—a system that
facilitates and manages
transaction-oriented
applications, such as
data entry and retrieval
applications.
To select a performance mode for the logical drives on a controller:
1
In the Enterprise View, select the controller you want.
2
In the menu bar, select Actions, click Change performance mode, then select an
application type.
3
Shutdown Adaptec Storage Manager and reboot the system.
Note:
You must reboot the system before the performance mode setting takes effect.
Chapter 6: Modifying Your Direct Attached Storage
Performance Criteria Best Performance
Automatically adjusts —
●
criteria based on
controller usage, RAID
level, and disk drive
type
100% Random SAS:
●
60%--80% Read R0 Sequential writes (all request sizes)
● ●
20%--40% Write R0 File server and Web server
● ●
8Kb Blocks R5 Sequential writes (all request sizes)
● ●
R5 Web server
●
R6 Web server
●
R10 Sequential writes
●
R10 Web server
●
SATA:
R0 Sequential reads (all request sizes)
●
R0 Sequential writes (all request sizes)
●
R0 File/print server
●
R5 Sequential writes (256Kb request size)
●
R5 Random writes
●
R6 Sequential writes (all request sizes)
●
R10 Sequential writes (all request sizes)
●
R10 Workstation:
●
67
●