Table of Contents
Advertisement
Table 1.1
Integrated RAID Functionality
Supported disk types
External support
System supported
Supported RAID levels
Maximum number of
volumes
Maximum number of
drives supported
Virtual disk size limit
Supported RAID
management utilities
1.2
MegaRAID Mode
Table 1.2
MegaRAID Functionality
Supported disk types
Systems supported
External support
Battery backup unit
Memory Key
1-2
•
Up to ten disks per Integrated Striping volume, with one or two
storage volumes per controller. Each controller can support up to 12
volume disks, plus one or two hot spare disks, for a maximum of 14
disks per controller. (Support for this number of disks requires
Integrated RAID firmware v1.20.00 or above.)
•
Two-disk IM mirrored volumes
Table 1.1
lists the controller and software features for Integrated RAID.
Serial Attached Storage (SAS) and Serial ATA II (SATA II)
None available
IBM System x3850 M2 and IBM System x3950 M2
RAID 0, and RAID 1
Two volumes maximum in a mixture of RAID 0 arrays and RAID 1 arrays
Four drives total in two volumes
20 Tbytes (there is a 64-bit addressing limit)
Integrated RAID (IR), CTRL+C, MegaRAID Storage Manager (MSM), and
cfggen (command line interface)
The ServeRAID-MR10k DIMM is used to make the LSISAS1078 adapter
operate in MR mode. This mode offers the MR stack, and the MR
management and configuration tools.
Table 1.2
lists the DIMM features and software features for MR.
SAS and SATA II (SATA II disks are supported in External Enclosures
only)
IBM System x3850 M2 and IBM System x3950 M2
EXP3000 enclosures with cascading up to a maximum of 9 enclosures
A chassis-mounted battery, providing 72 hours of backup for one year
Memory Key can be installed on the system board
Introduction
Advertisement
Table of Contents
