CDR — Clinical Data Repository. CDWP — Cumulative disk write throughput. CE — Customer Engineer. CEC — Central Electronics Complex. CentOS — Community Enterprise Operating System. Centralized Management — Storage data management, capacity management, access security management, and path management functions accomplished by software. CF — Coupling Facility. CFCC — Coupling Facility Control Code. CFW — Cache Fast Write. CH — Channel. CH S — Channel SCSI. CHA — Channel Adapter. Provides the channel interface control functions and internal cache data transfer functions. It is used to convert the data format between CKD and FBA. The CHA contains an internal processor and 128 bytes of edit buffer memory. Replaced by CHB in some cases. CHA/DKA — Channel Adapter/Disk Adapter. CHAP — Challenge-Handshake Authentication Protocol. CHB — Channel Board. Updated DKA for Hitachi Unified Storage VM and additional enterprise components. Chargeback — A cloud computing term that refers to the ability to report on capacity and utilization by application or dataset, charging business users or departments based on how much they use. CHF — Channel Fibre. CHIP — Client-Host Interface Processor. Microprocessors on the CHA boards that process the channel commands from the hosts and manage host access to cache. CHK — Check. CHN — Channel adapter NAS. CHP — Channel Processor or Channel Path. CHPID — Channel Path Identifier. CHSN or C-HSN— Cache Memory Hierarchical Star Network. CHT — Channel tachyon. A Fibre Channel protocol controller. CICS — Customer Information Control System. HDS Confidential: For distribution only to authorized parties. Page G-3
CIFS protocol — Common internet file system is a platform-independent file sharing system. A network file system accesses protocol primarily used by Windows clients to communicate file access requests to Windows servers. CIM — Common Information Model. CIS — Clinical Information System. CKD ― Count -key Data. A format for encoding data on hard disk drives; typically used in the mainframe environment. CKPT — Check Point. CL — See Cluster. CLA – See Cloud Security Alliance. CLI — Command Line Interface. CLPR — Cache Logical Partition. Cache can be divided into multiple virtual cache memories to lessen I/O contention. Cloud Computing — “Cloud computing refers to applications and services that run on a distributed network using virtualized resources and accessed by common Internet protocols and networking standards. It is distinguished by the notion that resources are virtual and limitless, and that details of the physical systems on which software runs are abstracted from the user.” — Source: Cloud Computing Bible , Barrie Sosinsky (2011). Cloud computing often entails an “as a service” business model that may entail one or more of the following: • Archive as a Service (AaaS) • Business Process as a Service (BPaas) • Failure as a Service (FaaS) • Infrastructure as a Service (IaaS) • IT as a Service (ITaaS) • Platform as a Service (PaaS) • Private File Tiering as a Service (PFTaaS) • Software as a Service (SaaS) • SharePoint as a Service (SPaaS)
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