IBM SAS RAID controllers User Manual

“Dual storage IOA functions” on page 23
Consider these factors when using dual storage I/O adapter (IOA) functions.
PCIe2 SAS RAID card comparison
Use this table to compare the features of the various PCI Express 2.0 (PCIe2) SAS RAID cards for IBM i.
Table 4. PCIe2 SAS RAID controller cards
CCIN (custom card
identification number) 57B5
1
57BB 57C3 57C4
2
Description PCIe2 1.8 GB Cache
RAID SAS adapter
Tri-port 6 Gb
PCIe2 1.8 GB Cache
RAID SAS adapter
Tri-port 6 Gb
PCIe2 3.1 GB Cache
RAID SAS enclosure 6
Gb x8
PCIe2 RAID SAS
adapter Dual-port 6 Gb
Form factor PCIe2 x8 PCIe2 x8 PCIe2 x8 Storage
Enclosure
PCIe2 x8
Physical links 11 (three mini SAS HD
4x connectors with top
connector containing
only three physical
links)
11 (three mini SAS HD
4x connectors with top
connector containing
only three physical
links)
11 (internally integrated
with two external mini
SAS HD 4x connectors,
each containing three
physical links)
8 (two mini SAS HD 4x
connectors)
Supported RAID levels RAID 5, RAID 6, system
mirroring
RAID 5, RAID 6, system
mirroring
RAID 5, RAID 6, system
mirroring
RAID 5, RAID 6, system
mirroring
Write cache size 1.8 GB 1.8 GB 3.1 GB
Read cache size
Cache battery pack
technology
None (uses
supercapacitor
technology)
None (uses
supercapacitor
technology)
None (uses
supercapacitor
technology)
Cache battery concurrent
maintenance
Cache data present LED
Removable cache card
Auxiliary write cache
(AWC) support
No No No No
Dual-storage IOA
configuration
Yes Yes Yes Yes
Requires dual storage
IOA configuration
Yes Yes Yes No
SAS tape support No No No No
SATA DVD support No No No No
520-byte virtual disk
support
Yes Yes Yes Yes
Notes:
1. . Feature 5913 (CCIN 57B5) adapters installed in POWER6
®
servers must be placed in I/O expansion units. Feature 5913 (CCIN
57B5) adapters are not supported in POWER6 system units. Feature 5913 (CCIN 57B5) is supported for the full set of SAS
adapter functions on POWER6 servers, except for controlling boot drives or load source drives.
2. Feature ESA1 or ESA2 (CCIN 57C4) only supports connecting to SSD devices.
10 SAS RAID controllers for IBM i

IBM SAS RAID controllers Specifications

General

Brand	IBM
Model	SAS RAID controllers
Category	Power Supply
Language	English