SAS RAID controllers for Linux

The PCI Express (PCIe) serial-attached SCSI (SAS) RAID controller is available for various versions of the Linux® kernel. Learn how to use and maintain the controller.

General information
This section provides general information about the IBM® SAS RAID controllers for Linux.
SAS overview
The term Serial-attached SCSI (SAS) refers to a set of serial device interconnect and transport protocols.
RAID controller software
A device driver and a set of utilities must be installed so that the controller can be identified and configured by the Linux operating system.
Common IBM SAS RAID controller tasks
The instructions in this set of topics pertain to the various tasks that can be performed to manage disk arrays. The interface for working with the IBM SAS RAID controller is iprconfig.
Multi-initiator and high availability
You can increase availability using multi-initiator and high availability to connect multiple controllers to a common set of disk expansion drawers.
IBM SAS RAID controller maintenance
Maintenance procedures include microcode updates, failure recovery procedures, and working with the battery pack.
Problem determination and recovery
Several tools are available that the trained service representative can use to identify and recover from problems.

Last updated: Wed, September 09, 2020