On Jun 17, 2009, at 1:12 PM, Uros Nedic wrote: > I'm not an expert in this particular area, but don?t you think > that FLASH memory doesn't work same as hard-drives? HDs are consisted > of magnetic plates, cylinders and clusters. FLASH memory doesn't have > such structure. One of results is that there is no need for > de-fragmentation of FLASH SSDs. > > I also suspect that problem is small size of transfer buffer, and > read/write error checking per each transfer, but also wish to point > that > there is no need for checking weather are clusters adjacent. Just > because it is FLASH memory. Weather it is attached via USB or SATA > port (as with SSDs), it doesn't matter.
While that may be true, there are definitely many known issues with PCFS under Solaris that need to be resolved, and performance is one of them. Cheers, -- Shawn Walker
