Serial Storage Architecture


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Serial Storage Architecture

(SSA) IBM's proposed ANSI standard for a standard high-speed interface to disk clusters and arrays. SSA allows full-duplex packet multiplexed serial data transfers at rates of 20Mb/sec in each direction.

According to John Taylor, programme manager at IBM's Storage Division at Havant, SSA will be used in arrays of discs working with high-end computers ranging from mainframes down to LAN servers. Taylor said that SSA differs from the IEEE proposed P1394 serial interface specification in its ability to offer simultaneous multiplexed transfers from more than one disk or array. IBM also supports the P1394 standard which will be used primarily by desktop PCs for multimedia applications.

SSA has received backing from a number of companies including connector makers Molex, ITT Cannon and AMP, disk drive makers Conner and Western Digital and RAID array suppliers like Dynatech and NCR. IBM expects to see the first SSA products released at Comdex in Autumn 1994 but it will be 1995 before the products ship in volume.

Under an agreement signed with ASIC maker and ARM licencee VLSI Technology, IBM will use ARM-based chips made by VLSI to implement the SSA interface and VLSI will make these cores available to third parties as one of its Functional System Blocks.
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The Serial Storage Architecture Industry Association (SSA IA) was founded in 1995 to advance and promote the Serial Storage Architecture as a high-speed transmission standard for data from disk drives, optical drives, CD-ROMs, tape drives, printers, scanners, and other peripherals to personal computers, workstations, servers and storage subsystems.
The Serial Storage Architecture Industry Association (SSA-IA) was founded in 1995 to advance and promote the Serial Storage Architecture as a high-speed transmission standard for data from disk drives, optical drives, CD-ROMs, tape drives, printers, scanners, and other peripherals to personal computers, workstations, servers and storage subsystems.
Prior to installing Shark, Tyson was using IBM's 7133 Serial Disk System, a device that is part of the IBM Serial Storage Architecture (SSA), to house the company's financial data.
13 /PRNewswire/ -- Vicom Systems, a leading manufacturer of high-end imaging systems, today announced a revolutionary technology that will allow the SCSI interface to participate in a high speed serial storage architecture (SSA) loop, for the first time removing the limitations of both SCSI and network connectivity protocols.
Performance enhanced by two four-way symmetric multiprocessors, Serial Storage Architecture and a large cache with additional nonvolatile (battery-backed) memory, together with performance accelerators such as PAV and Multiple Allegiance.
New Serial Storage Architecture offers an open industry standard for
Performance enhanced by two four-way symmetric multiprocessors (SMPs), Serial Storage Architecture (SSA) and a large cache with additional nonvolatile (battery-backed) memory, together with performance accelerators such as PAV and Multiple Allegiance.
The tested configuration included a 24-way RS/6000 Model S80 with 64 GB of memory as the central server, and 400GB of IBM Serial Storage Architecture disk.
Close & Associates is an IBM Premier Partner - Systems for IBM hardware (IBM RS/6000[R], IBM Netfinity Ready-to-Run SAP R3, and Serial Storage Architecture Disk Subsystems), software (AIX[R], OS/400[R] and SAP R3) and training (IBM Shark Camp Instruction).
Not only does this benchmark establish new records for database capability, but the records were broken with hardware that is readily available today: IBM Netfinity servers and IBM Serial Storage Architecture Disk technology.