Wednesday, August 3, 2011

eBay buys 100 TB of flash memory

eBay has announced the purchase of a storage system for its Nimbus virtual server infrastructure. This storage system is composed entirely of flash memory and has a capacity of 100 TB of storage, which is pretty impressive. Currently, the standard is rather to use hybrid systems, consisting of "cache"-based flash memory, a storage unit with fast hard drives (15,000 rpm SAS type) and SATA hard drives standard for long-term storage.

Based entirely on a structure of the flash memory is unusual, given the very high costs. SAN (Storage Area Network) connects through iSCSI Ethernet to 10 Gigabit / s, which achieves high performance. The company announced 800 000 IOPS and 1 GB / s sustained throughput, which is quite high.

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