Lenovo ServeRAID M5120, User Manual

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Technical Specifications 3-7
3.3.2 Array Performance Features
Table 3.4 shows the array performance features for the ServeRAID
M5120 SAS/SATA controller.
3.3.3 Fault Tolerance
Table 3.5 shows the fault tolerance features of the ServeRAID M5120
SAS/SATA controller.
Table 3.4 Array Performance Features
Specification ServeRAID M5120 SAS/SATA Controller
PCI Express Host Data Transfer
Rate 8 Gb/s per lane
Drive Data Transfer Rate 6.0 Gb/s per lane
Maximum Scatter/Gathers 26 elements
Maximum Size of I/O Requests 6.4 Mbytes in 64 Kbyte stripes
Maximum Queue Tags per Drive As many as the drive can accept
Strip Sizes 8, 16, 32, 64, 128, 256, 512, or 1024 Kbytes
Maximum Number of Concurrent
Commands 255
Table 3.5 Fault Tolerance Features
Specification ServeRAID M5120 SAS/SATA Controller
Support for SMART
1
1. The Self Monitoring Analysis and Reporting Technology (SMART) detects
up to 70 percent of all predictable drive failures. In addition, SMART
monitors the internal performance of all motors, heads, and drive
electronics.
Yes
Drive Failure Detection Automatic
Drive Rebuild Using Hot Spares Automatic
Parity Generation and Checking Yes