Update: I’m getting some traffic from Intel’s servers according to my logs, maybe I’m on to something…
Intel is about to release some new hard drive replacements in the form of Solid State Drives. The only way I think these will be interesting for the average consumer is with a price much lower than current SSD offerings. Let’s presume that these drives can max out SATAII bandwidth at 250-280MB/s. (edit: according to this article, they’re going to do 250MB/s read and 130MB/s write.) That’s about twice as good as offerings from MTron et al. but the reason current SSDs kick mechanical drive butt is due to the super low latency (see Vista bootup benches with SSDs in RAID here).
So the latency probably won’t drop which means regular users will only see minor performance benefits over MTRON drives. So why did Intel bother creating these things? I have three theories.
1> They’ve figured out how to create better drive controllers which allows them to use inexpensive flash memory without losing performance. This probably includes something like MFT(managed flash technology) and a drive controller designed specifically to work with flash memory. These things suck down twice as much power (not overall though) as competing SSDs which is a good sign that there is a lot going on under the hood.
2> The use of something like the aforementioned MFT solves the problems associated with random write performance in flash drives. That doesn’t matter (much) in a home computer but for servers it can be crippling. Even if the price is not significantly lower than the competition at launch I would expect these to be hugely popular in servers which are often bottlenecked by disk IO. In a great article by BigDBAHead flash with MFT was roughly 15x faster than Raptors in random write operations. The same drive sans MFT was only half as fast as the Raptor. MFT is currently a software add-on but my guess is that Intel has it built into the drives.
3> The new drive controller will allow higher reliability which the old school drive manufacturers are trying to use as a way to scare people into buying old technology. If these things are as reliable as they claim…
“Grimsrud kicked off half an hour or so of amazing bravado by declaring the endurance of Intel SSDs should be roughly 50 times better than the competition.”
then cost will be the sole remaining concern.
My only hope is that Intel releases smaller versions of this drive. Good RAID controllers can handle 800MB/s these days so if Intel can eek out 200MB/s with one drive an affordable 4x16Gig RAID 0 array would be possible and it would change the hard drive industry over night.
Note: People talk about the processors on RAID cards without mentioning the fact that the chips run at various speeds. Someone with money to burn needs to get a RAID card with an Intel chip @1.2 Ghz (instead of 800Mhz) which should be at least 50% faster than the NextLevelHardware Array which would yield 1.2GBytes / second or so. The brand spanking new Areca ARC-1680ix-12 looks like the perfect RAID card for this environment.
Update 2: A theory: They’re using an underclocked IOP processor inside their SSDs.
Update 3: Another theory: They’re using the IOP processor to do internal/transparent RAID 5 or 6 to increase reliability.