On Tue, Apr 14, 2009 at 5:57 AM, Will Murnane <will.murn...@gmail.com>wrote:
> > > Has anyone done any specific testing with SSD devices and solaris other > than > > the FISHWORKS stuff? Which is better for what - SLC and MLC? > My impression is that the flash controllers make a much bigger > difference than the type of flash inside. You should take a look at > AnandTech's review of the new OCZ Vertex drives [1], which has a > fairly comprehensive set of benchmarks. I don't think any of the > products they review are really optimal choices, though; the Intel > X25-E drives look good until you see the price tag, and even they only > do 30-odd MB/s random writes. > Couple excellent articles about SSD from adandtech last month: http://www.anandtech.com/showdoc.aspx?i=3532 - SSD versus Enterprise SAS and SATA disks (20/3/09) http://www.anandtech.com/storage/showdoc.aspx?i=3531 - The SSD Anthology: Understanding SSDs and New Drives from OCZ (18/3/09) And it looks like the Intel fragmentation issue is fixed as well: http://techreport.com/discussions.x/16739 It's a shame the Sun Writezilla devices are almost 10k USD - seems there are the only units "on the market" that (apart from cost) work "well all around" as slog devices - form factor, interface/drivers and performance. How much of an issue does the random write bandwidth limit have on a slog device? What about latency? I would have thought the write traffic pattern for slog io was more sequential and bursty. Nicholas
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