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