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To check for the prerequisites, see IBM Prerequisite website (www-912.ibm.com/e_dir/eServerPrereq.nsf).
Related tasks:
Installing PCI adapters
Serial-attached SCSI cable planning
Learn about how to install the SAS cables to the hard disk drives, solid-state drives or CD-ROMs.
Related reference:
IBM Prerequisite Web page
Parts information
PCI adapter placement
"Backplane daughter cards and RAID enablement cards" on page 2
Find links to topics that cover Backplane daughter cards and RAID enablement cards.
SAS RAID controllers for AIX
SAS RAID controllers for Linux
PCI-X DDR 1.5 GB cache SAS RAID Adapter (FC 5904, 5906, 5908;
CCIN 572F and 575C)
Learn about the specifications and operating system requirements for the 5904, 5906, and 5908 adapter.
Overview
The PCI-X DDR 1.5 GB cache SAS RAID Adapter is a SAS disk controller with a maximum of 1.5 GB
compressed write cache and a maximum 1.6 GB compressed read cache. Auxiliary write cache and
concurrent battery maintenance are provided. The controller is implemented by using two physical
adapters that are securely connected to form a double-wide adapter. The double-wide adapter requires
two adjacent Peripheral Component Interconnect-X (PCI-X) slots. The auxiliary write cache side of the
double-wide adapter contains a dual, concurrently maintainable cache battery pack which maintains
cache memory on both adapters in the event of an abnormal termination.
When used in a logical partition (LPAR) environment, this double-wide adapter must have both slots of
the adapter assigned to the same logical partition. When implementing dynamic LPAR (DLPAR), both
slots of the adapter must be managed together.
Feature 5904, 5906, and 5908 are all feature codes that represent the same PCI-X DDR 1.5 GB cache SAS
RAID Adapter. Different feature codes indicate whether a blind swap cassette is used and its type:
v Feature 5904 indicates no blind swap cassette. The feature is used in enclosures that do not use blind
swap cassettes.
v Feature 5906 indicates a gen-2.5 blind swap cassette. The feature is used in the 5797 and 5798
enclosures.
v Feature 5908 indicates a gen-3 blind swap cassette. This feature is used in the 5790 and 5796 enclosures.
572F is the CCIN number on the RAID adapter side of the double-wide adapter pair. 575C is the CCIN
number on the write-cache adapter.
The adapter provides RAID 0, RAID 5, RAID 6, and RAID 10 for the AIX and Linux operating systems.
Under the IBM i operating system, mirroring and data spreading are provided by the operating system,
and RAID 5 and RAID 6 are provided by the adapter.
The adapter provides three mini-SAS 4x connectors for the attachment of SAS drives in 5886 EXP 12S
Expansion Drawers. The adapter supports a maximum of five 5886 EXP 12S Expansion Drawers.
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Managing PCI adapters
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