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Sun_Enterprise

Sun Enterprise

Sun Enterprise is a range of UNIX server computers produced by Sun Microsystems from 1996 to 2001. The line was launched as the Sun Ultra Enterprise series; the Ultra prefix was dropped around 1998. These systems were based on the 64-bit UltraSPARC microprocessor architecture and related to the contemporary Ultra series of computer workstations. Like the Ultra series, they ran the Solaris Operating Environment. Various models, from single-processor entry-level servers to large high-end multiprocessor servers were produced. The Enterprise brand was phased out in favor of the Sun Fire model line from 2001 onwards.

Ultra workstation-derived servers

The first UltraSPARC-I-based servers produced by Sun, launched in 1995, were the UltraServer 1 and UltraServer 2. These were server configurations of the Ultra 1 and Ultra 2 workstations respectively. These were later renamed Ultra Enterprise 1 and Ultra Enterprise 2 for consistency with other server models. Later these were joined by the Ultra Enterprise 150, which comprised an Ultra 1 motherboard in a tower-style enclosure with 12 internal disk bays.

In 1998, Sun launched server configurations of the UltraSPARC-IIi-based Ultra 5 and Ultra 10 workstations, called the Enterprise Ultra 5S and Enterprise Ultra 10S (sic) respectively.

Entry-level servers

The Sun Enterprise 450 and Sun Enterprise 250 were popular rack-mountable entry-level multiprocessor servers launched in 1997 and 1998 and capable of up to four or two UltraSPARC-II processors respectively. These were later joined by the Enterprise 220R and Enterprise 420R rack-mount servers in 1999. The 220R and 420R models were respectively based on the motherboards of the Ultra 60 and Ultra 80 workstations. The 250 was replaced by the Sun Fire V250, the 450 by the Sun Fire V880. The 220R was superseded by the Sun Fire 280R and the 420R by the Sun Fire V480.

Ultra Enterprise X000/Enterprise X500 mid-range servers

In 1996, Sun replaced the SPARCserver 1000E and SPARCcenter 2000E models with the Ultra Enterprise 3000, 4000, 5000 and 6000 servers. These were multiprocessor servers based on a common hardware architecture incorporating the Gigaplane packet-switched processor/memory bus and UltraSPARC-I or II processors. High availability and fault-tolerance features were included in the X000 systems which were intended for mission-critical applications.

The 3000 model was a deskside server configurable with up to six processors and 10 internal disks, while the 4000 was a rack-mount system with up to 14 processors. The 5000 was essentially a 4000 in a rack cabinet and the 6000 was a cabinet-housed datacenter server with up to 30 processors.

In 1999, the Enterprise 3500, 4500, 5500 and 6500 models were announced. These were upgraded X000 systems, with a faster Gigaplane bus (up to 100 MHz, depending on processor clock speed, compared to 83 MHz). The 3500 also differed from the 3000 in an increased maximum of eight processors. The Enterprise X500 series were replaced by the Sun Fire 3800/4800/6800 line.

Enterprise 10000

The Enterprise 10000, or Starfire (a development codename also used for marketing purposes) was a high-end multiprocessor datacenter server capable of up to 64 UltraSPARC-II processors. This was largely designed by Cray Research's Business Systems Division as a successor to the Cray Superserver 6400. After Cray was acquired by Silicon Graphics in 1996, this division was sold on to Sun and the Starfire launched (as the Ultra Enterprise 10000) in 1997. The Starfire has an impressive pedigree: the CS6400 itself was derived from the Sun SPARCcenter 2000 which had been designed as a cooperative effort between Sun and Xerox PARC based in part on the latter's Dragon Multiprocessor Workstation.

The Starfire was based around the fault-tolerant Gigaplane-XB processor/memory interconnect. Like the X000 and X500 series servers, the Starfire incorporated many high-availability features, including the ability to be partitioned into multiple "domains", each of which could be booted individually to run its own instance of Solaris. The Starfire was the first server from any vendor to exceed 2000 on the TPC-D 300 GB benchmark. Starfire systems were used by a number of high-profile customers during the "dot-com" boom, including eBay, and typically sold for well over $1 million for a fully-configured system.

The Starfire contains one or two controller modules which are connected via Ethernet to an external computer, the System Service Processor (SSP). The controller modules interface with the system "centerplane" via JTAG and control the partitioning of available CPUs, memory and I/O devices into one or more domains, each of which is in effect a distinct computer. The system cannot be partitioned or booted without its original SSP which contains encrypted keys issued by the manufacturer.

The Starfire was superseded by the Sun Fire 12K/15K models.

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