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This is a soap-box of the Promise FastTrak100 TX4, i.e. the configuration
where all its advantages must be revealed. Plus, hot replacement of discs
(of course, with the help of SuperSwap). Well, let's see how the TX4 will
perform.
Ziff-Davis WinBench
Unfortunately, there is no any increase in the linear speed...
as well as the decrease in an access time...
Well, at last, the gap is considerable! Just for comparison
here are the diagrams for an array of two discs
The relative gain ((max. value - min. value)/min. value)
in the High-End WinBench test in the FAT32 for RAID0 is 0.04, and for RAID0+1
it is 0.17. The gain is 4 times more.
Intel IOMeter
Well, a significant benefit from the 66 MHz bus is still lacking.
The streaming read mode doesn't do favor for the TX4. It is BIOS to blame?
But in the recording mode the results of the TX4 grow up, though the interval
between them remains.
Conclusion
The Promise FastTrak100 TX4 benefits from the RAID0+1 as compared with
its junior brother. This advantage and hot replacement support (which is
lacking in two-channel controllers) let me recommend this controller for
such arrays.
Full test results are in the table.
Ziff-Davis WinBench
99
Intel IOMeter:
Read also:
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