[Stgt-devel] Performance of SCST versus STGT

Vladislav Bolkhovitin vst
Tue Jan 22 12:33:13 CET 2008

FUJITA Tomonori wrote:
> The big problem of stgt iSER is disk I/Os (move data between disk and
> page cache). We need a proper asynchronous I/O mechanism, however,
> Linux doesn't provide such and we use a workaround, which incurs large
> latency. I guess, we cannot solve this until syslets is merged into
> mainline.

Hmm, SCST also doesn't have ability to use asynchronous I/O, but that 
doesn't prevent it from showing good performance.


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