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Rackmount Flash Storage Products RamSan-630 RamSan-6300 RamSan-640 RamSan-710 RamSan-810 |
Rackmount
RAM Storage Products RamSan-440 RamSan-300 |
PCle Storage Products RamSan-10/20 RamSan-70 |
| Digital
Signal Processing Products XP-100 XP-35 XP-30 |
Interfaces Products InfiniBand Controller (IB-381) Fibre Channel Controller |
Legacy
Products Products RamSan-620 RamSan-320 RamSan-500 RamSan-400 TMS Home |
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| Ram-San 300 Overview Texas Memory Systems developed the RamSan-300 with the goal of providing an enterprise solid state disk with entry-level pricing. The RamSan-300 meets these objectives by inheriting most of its components from the RamSan-400 enterprise SSD, including the same memory boards, Fibre Channel controllers, batteries, fans, power supplies, and backup hard disk drives. The RamSan-300 offers a lower cost alternative to our larger capacity and higher performing RamSan-400 and RamSan-440 models. Recent studies have shown that 95% of the world’s stored data is accessed infrequently, and 66% is accessed only once. This suggests that the performance of even large databases can be significantly improved by accelerating only a small fraction of the files. The RamSan-300 is well-suited to handle small databases, metadata storage, log and transaction files, and database indices. It offers a low cost, low risk solution to application performance challenges that plague large and small businesses alike. Features RamSan-300 highlights: • The World's Fastest Storage® • Over 200,000 random I/Os per second • 1.5 GB/s random sustained external throughput • IBM Chipkill technology • Exclusive Active Backup® software • Full array of hardware redundancy to ensure availability. Details The RamSan-300's fast DDR RAM storage is ideal for storing performance-demanding data and accelerating essential applications. Performance TMS' numerous customers have seen real-world performance increases from 2x to 25x simply by installing a single RamSan®. It plugs into servers or fabrics through basic Fibre Channel or InfiniBand connections and appears simply as a very, very fast drive to the network, able to act as any disk or storage system might. The RamSan-300 can accelerate numerous applications across industries. It is best known for drastic performance gains in OLTP, batch processing, and other intensive operations. Reliability There is no tradeoff in reliability for all this performance. The RamSan-300 includes hot swappable redundancies wherever physical wear is a factor, such as power supplies and backup hard disks. It also includes two independent internal UPS systems to ensure that no power loss or power supply failure will stop the RamSan® from performing its internal backup procedures. Redundant cooling fans and redundant failover data ports (optional) are also part of the sophisticated design. Interoperability The RamSan-300 is designed to look like a disk to the network. Therefore, it is highly interoperable and works in virtually any enterprise environment. It is installed in numerous environments, including Apple OS X, AIX, Solaris, Linux, and Windows. Hardware from Fibre Channel and InfiniBand vendors including Cisco, Emulex, Brocade, McData, Mellanox, QLogic, LSI Logic, and ATTO easily interoperates with the RamSan®. Active Backup® and Chipkill Technology: The Newest Innovations in SSD Exclusive to the RamSan® is Active Backup® software. Other SSDs and cache system can only "destage" data from RAM to backup disks once power is already lost. This means that data is never backed up during normal operation and the time-to-complete-backup after power loss is unacceptably long. A RamSan-300 with Active Backup can continuously backup data on RAM to the internal backup hard disks without impacting performance. This means in an emergency situation, data is anywhere from 60-100% on the backup hard drives already. RamSan-300 systems take reliability even farther by implementing IBM Chipkill technology. Standard error correcting code (ECC) implementations correct single-bit data errors in memory chips but cannot correct the multi-bit errors that can result in data integrity issues. Chipkill technology allows a memory system to correct a multi-bit failure up to and including a total chip failure. Soft Error Scrubbing The RamSan-300 is the first solid state disk to include soft error scrubbing. All solid state disks can correct a single bit error before sending data to the server as a part of their ECC protection. The RamSan-300, however, goes a step further by scrubbing; re-writing the corrected data to memory and then verifying the re-write to determine if a memory chip has a failure (a hard error) or if radiation transients caused the single bit error (a soft error). Systems that do not scrub single bit memory errors will either a) report errors to a system log that will eventually encourage replacement of a memory board or b) hide these errors thus leaving a potentially unsafe memory board in the system. Research on this topic suggests that 90% of single bit errors are soft errors. In these cases, the RamSan-300 will correct the error through the scrubbing process and prevent unnecessary downtime to replace the memory board. Specifications Storage • Capacity (Usable): 32 GB • LUNs: 1,024 LUNs • Storage Medium: RAM Performance • Maximum Bandwidth: 1,536 MB/s • Read IOPS: 200 K IOPS • Read Latency: 15 microseconds • Write IOPS: 200 K IOPS • Write Latency: 15 microseconds Interfaces • Expansion Slots: 2 slots • Fibre Channel Ports per Card: 2 ports/card • Fibre Channel Speed per Port: 4 Gb/s • InfiniBand Channel Width: 4 X • InfiniBand Channels per Card: 1 channels/card • InfiniBand Data Rate Standard: SDR • InfiniBand Speed per Channel: 8 Gb/s Management • Supports Browser Management • Supports SNMP Management • Supports SSH Management • Supports Telnet Management Power • Typical Power Consumption: 250 W Mechanical • Dimensions: 5.25" (3U) X 15" • Form Factor: 3U • Weight: 70 lbs
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