
IBM ServeRAID Quick Reference - Archive 13
ServeRAID-5i Controller
Part number: 25P3492
Year of first availability: 2002
US Announcement Letter: 102-170
Features:
Wide-bandwidth, high-speed 64-bit, 66 MHz PCI controller
128 MB of ECC write-back cache with battery backup
Supports mixed environments of Ultra320 and Ultra160 SCSI HDDs
RAID levels 0, 00, 1, 10, 5, 50, and IBM exclusive 1E and 1E0
Support for up to eight logical drives composed of 16 physical drives
Logical drive migration and auto synchronization support
Support for stripe unit sizes of 8 KB, 16 KB, 32 KB, or 64 KB
Up to 28 physical drives supported per controller
Support for hot- and cold-swapping of HDDs
Visual identifiers:
No internal or external SCSI connectors (uses the server's onboard SCSI)
Figure 12. ServeRAID-5i
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