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Dell EMC Unity
Dell EMC Unity is one of Dell EMC's mid-range storage array product lines. It was designed from the ground up as the next-generation midrange unified storage array after the EMC VNX and VNXe series, which evolved out of the EMC Clariion SAN disk array.
Clariion’s predecessor, HADA (High Availability Disk Array) was developed in 1991 by Data General Corporation, one of the first minicomputer companies. HADA was designed to significantly improve the performance of commodity hard disk drives by running large numbers of them in parallel. It was one of the first products on the market with a cached RAID system, and featured hot-swapping and several other innovations.
HADA was initially sold exclusively as an array with the company's Aviion line of computer systems as the HADA (High Availability Disk Array) and later the HADA II before being made available for broader open systems attachment and renamed CLARiiON in 1994. Fibre Channel support was added in 1997.[citation needed]
As CLARiiON sales grew, Data General created a separate CLARiiON division and began selling the product both direct to Aviion and Data General MV customers, but also as an OEM offering to its systems competitors, including Sun Microsystems, Hewlett Packard and Silicon Graphics. CLARiiON was considered the primary value generator in EMC Corporation’s decision to purchase Data General in 1999.
Development of the CLARiiON product line continued under EMC. The company introduced IP-based storage access in 2000. In 2001, Dell and EMC entered into a partnership, and the CLARiiON line began being resold by Dell. In 2002, the CX200, CX400 and CX600 entry-level lines were introduced, the result of the year-long collaboration between the two companies. In 2003, CLARiiON became the industry's first NEBS-certified storage system.
Subsequent processor and bandwidth upgrades led to a new CX lineup (CX300, CX500, CX700) and a low-end, SATA-based CLARiiON array, the AX100 (now updated to AX150).
In May 2006, EMC introduced the third generation of CLARiiON, named CX3 UltraScale. The lineup, consisting of the CX and CX3-80, was the industry's only storage platform to leverage end-to-end 4 Gbit/s (4 billion bits per second) Fibre Channel and PCI-Express technologies.[citation needed] Later in 2007, the line was expanded to include a new entry-level storage system, the CX3-10.
Development continued until 2011, when EMC introduced the new VNX series of unified storage disk arrays intended to combine and replace both CLARiiON and Celerra products. The new suite of VNX SAN/NAS arrays included three product lines: an entry-level VNXe, the VNX5000 series and the VNX7000 series. The new VNX line was marketed as the only storage system offering automated file and block sub-LUN tiering using its FAST technology.
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Dell EMC Unity
Dell EMC Unity is one of Dell EMC's mid-range storage array product lines. It was designed from the ground up as the next-generation midrange unified storage array after the EMC VNX and VNXe series, which evolved out of the EMC Clariion SAN disk array.
Clariion’s predecessor, HADA (High Availability Disk Array) was developed in 1991 by Data General Corporation, one of the first minicomputer companies. HADA was designed to significantly improve the performance of commodity hard disk drives by running large numbers of them in parallel. It was one of the first products on the market with a cached RAID system, and featured hot-swapping and several other innovations.
HADA was initially sold exclusively as an array with the company's Aviion line of computer systems as the HADA (High Availability Disk Array) and later the HADA II before being made available for broader open systems attachment and renamed CLARiiON in 1994. Fibre Channel support was added in 1997.[citation needed]
As CLARiiON sales grew, Data General created a separate CLARiiON division and began selling the product both direct to Aviion and Data General MV customers, but also as an OEM offering to its systems competitors, including Sun Microsystems, Hewlett Packard and Silicon Graphics. CLARiiON was considered the primary value generator in EMC Corporation’s decision to purchase Data General in 1999.
Development of the CLARiiON product line continued under EMC. The company introduced IP-based storage access in 2000. In 2001, Dell and EMC entered into a partnership, and the CLARiiON line began being resold by Dell. In 2002, the CX200, CX400 and CX600 entry-level lines were introduced, the result of the year-long collaboration between the two companies. In 2003, CLARiiON became the industry's first NEBS-certified storage system.
Subsequent processor and bandwidth upgrades led to a new CX lineup (CX300, CX500, CX700) and a low-end, SATA-based CLARiiON array, the AX100 (now updated to AX150).
In May 2006, EMC introduced the third generation of CLARiiON, named CX3 UltraScale. The lineup, consisting of the CX and CX3-80, was the industry's only storage platform to leverage end-to-end 4 Gbit/s (4 billion bits per second) Fibre Channel and PCI-Express technologies.[citation needed] Later in 2007, the line was expanded to include a new entry-level storage system, the CX3-10.
Development continued until 2011, when EMC introduced the new VNX series of unified storage disk arrays intended to combine and replace both CLARiiON and Celerra products. The new suite of VNX SAN/NAS arrays included three product lines: an entry-level VNXe, the VNX5000 series and the VNX7000 series. The new VNX line was marketed as the only storage system offering automated file and block sub-LUN tiering using its FAST technology.