Texas Memory Systems unveils the baddest monster with 100Tb,60GB/s and 5 million sustained IOPS
By Tarry Singh at 5 August, 2009, 10:36 am
El Reg found the monster they’ve been looking for but I’m sure there’s someone else looking to kick some asses yet again.
These are huge numbers, achieved by a scale-out approach of clustering twenty RamSan-620 flash SSDs into a single entity, taking up an entire 40U rack. It might help to think of it as a 100TB SAN comprised of twenty 5TB storage units.
The flash is single-level cell NAND. The 6200 supports 40 - 160 4Gbit/s Fibre Channel links or 20 - 80 10Gbit/s (quad data rate) InfiniBand lines. Divide these numbers by 20 to get the per-RamSan-620 port counts.
TMS says that, at the board level, each set of flash chips is organised as a RAID unit, preventing any single chip failure from corrupting data. At the system level, each RamSan-620 allows you to designate one of the cards inside the system as an active-spare. If one of the cards experiences a failure that degrades its RAID protection, its data is transferred to the hot-spare. The failed card is then rendered inactive and can be replaced.
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