Datasheet

IBM ServeRAID Adapter Quick Reference 44
Table 28. Feature comparison: ServeRAID controllers for BladeCenter and Flex System servers
Feature
Port interface SAS SAS SATA SAS
Port speed, Gbps 6 6 3 3
Number of ports 8 4 8 8
PCIe spec 3.0 2.0 N/A 1.0
PCIe lanes x8 x4 N/A x4
Int. connectors 2 0 2 2
Ext. connectors 0 0 0 0
SAS controller LSI SAS
2208
LSI SAS
2004
None LSI SAS
1078
Cache (MB)# Opt None None 256
Battery backup N N N Y
Flash backup Opt N N N
Data encryption Opt N N N
Max stripe size (KB) (F=fixed) 1024 64-F 64-F 1024
Mixing SAS & SATA‡ Y Y N Y*
SSD support Y Y N Y*
Tape support N N N Y
Max volumes 64 2 8 64
Max volume size 64TB >2TB >2TB >2TB
UEFI support Y Y Y Y
Patrol read (data scrubbing) Y Y Y Y
Consistency check Y Y Y Y
Online RAID Level Migration† Y N N Y
Online Capacity Expansion Y Y N Y
AutoSync (auto-rebuild) Y Y Y Y
Copyback§ Y N N N
FastPath Opt N N N
CacheCade Opt N N N
RAID-0 Y Y Y Y
RAID-1 Y Y Y Y
RAID-1E N Y N N
RAID-5 Y N N Y
RAID-6 Opt N N Y
RAID-10 Y Y Y Y
RAID-50 Y N N Y
RAID-60 Opt N N Y
# Opt=optional
‡ Requires that the server also supports the mixing of SAS & SATA drives.
* The ServeRAID-MR10ie (CIOv) Controller does not support the use of SATA or SSD drives on the blade.
† Online RAID Level Migration (RLM) is also known as Logical Drive Migration (LDM).
§ Copyback is also known as Revertible Hot Spare.