Integrated Intel® RAID Controller SROMBU42E
Intel® Server Board SE7520AF2 TPS
84
Revision
1.2
Intel order number C77866-003
Hot-swappable drive support
Fault-tolerant disk subsystem management
Variable stripe size
Instant logical drive availability
Auto resume during array reconstruction
Background initialization for quick RAID 5 setup
Support for non-hard disk drive devices
SAF-TE intelligent enclosure support
Ease of management and monitoring using Intel® RAID management utilities
More than 200 Qtags per array
User-specified rebuild rate
Wide Ultra320 LVD SCSI performance up to 320 Mbytes/s
Support for up to 1 Gbyte of double data rate (DDR) 333MHz unbuffered ECC SDRAM.
One 32-, 64-, 128-, 256-, 512-, or 1-Gbyte DIMM can be installed in Slot 2 (RAID DIMM).
Support for RAID levels 0 (striping), 1 (mirroring), 5 (striping and parity data across all
drives), 10 (mirroring and striping), and 50 (RAID 5 and striping)
Advanced array configuration and management utilities
Battery backup for up to 72 hours (requires use of the Intel® Portable Cache Module
Accessory)
Support for up to 14 SCSI drives per channel on storage system with SAF-TE
enclosures (SCSI accessed fault-tolerant enclosures): 15 SCSI drives per channel for
other configurations
32 Kbyte x 8 NVRAM for storing RAID system configuration information; the firmware is
stored in flash ROM for easy upgrade
Table 30. Integrated Intel® RAID Controller SROMBU42E Features
Feature
Description
RAID Levels
0, 1, 5, 10, 50
SCSI Device Types
Synchronous or Asynchronous
Devices per SCSI Channel
Up to 15 Wide SCSI devices
SCSI Channels
2
SCSI Data Transfer Rate
Up to 320 Mbytes/s per channel
SCSI Bus
LVD only
Cache Function
Write-back (requires Battery Backup Unit), Write-through, Adaptive
Read Ahead, Non Read Ahead, Read Ahead, Cache I/O, Direct I/O
Multiple Logical Drives/Arrays per
Controller
Up to 40 logical drives per controller
Online Capacity Expansion
Yes
Dedicated and Pool Hot Spare
Yes
Hot Swap Devices Supported
Yes
Non-Disk Devices Supported
Yes
Mixed Capacity Hard Disk Drives
Yes
Cluster Support
No