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Celerra is a discontinued〔(EMC Discontinues Clariion, Celerra Storage Lines )〕 NAS device produced by EMC Corporation, available either as an integrated unit or as a NAS header which can be added to an independent EMC storage array such as a Clariion or a Symmetrix. It supports the CIFS, NFS, FTP, NDMP, TFTP and MPFS protocols. A Celerra Unified Storage device use Clariion storage array as its storage layer and also provides iSCSI and Fibre Channel block-level storage. Celerra was promoted as a platform for virtualization〔(Celerra: Ideal choice for VMware ), VMware.com〕 Optional features included de-duplication, replication, NDMP and storage tiering. Celerra runs on real-time operating system called Data Access in Real Time (DART). DART is a modified UNIX embedded kernel (just 32Mb) with additional functionality like Fibre Channel driver for HBA and Bonding For Ethernet added to operate as a file server. Celerra is a based on the same X-blade architecture as the Clariion. It is available with a single data mover X-blade or with multiple data movers in an active-passive N+1 configuration. Comparable to Celerra products are products from NetApp which offer similar features and protocol support, apart from the ability to use block-level Fibre Channel. In 2011, EMC introduced the new VNX series of unified storage disk arrays intended to replace both Clariion and Celerra products.〔(EMC unveils new VNX unified storage ) EMC Press release〕 In early 2012, Clariion and Celerra were discontinued. ==See also== *EMC Celerra HighRoad 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Celerra」の詳細全文を読む スポンサード リンク
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