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The Dell EMC Unity product line includes the hybrid (flash + HDD) 300/400/500/600 models, the all-flash 300F/400F/500F/600F models, and the Dell EMC Unity VSA virtual appliance deployable on vSphere. The basic enclosure for the hybrid and all-flash models is a 2U box with 25-2.5-inch drive slit expansion trays, called a Disk Processor Enclosure ...
By May, 2015, developers could download the ScaleIO software. In September 2015, EMC announced the availability of the previously software-only ScaleIO pre-bundled on EMC commodity hardware, called EMC ScaleIO Node. In May, 2017, Dell EMC announced ScaleIO.Next, featuring inline compression, thin provisioning and flash-based snapshots.
The Symmetrix Remote Data Facility (SRDF) facilitates data replication between VMAX arrays through a storage area network (SAN) or Internet Protocol (IP) network. SRDF logically pairs a device or a group of devices from each array and replicates data from one to the other synchronously or asynchronously.
Dell EMC VMAX The Symmetrix system was an EMC 's enterprise storage array . It combined dozens of hard drives into a single virtual device that was then directly attached to a computer or I/O channel , or shared on a storage area network or a local area network .
Dell EMC Data Domain was Dell EMC’s data deduplication storage system. Development began with the founding of Data Domain , and continued since that company’s acquisition by EMC Corporation (and EMC’s later merger with Dell to form Dell EMC ).
Logical layout. Each VPLEX engine in a cluster consists of two redundant IO directors and one IO annex, each being a single rack unit (1U) physical device. Each engine has 32 Fibre Channel ports (the VS1 model 16 front-end ports and 16 back-end ports) or 16 Fibre Channel ports (the VS2 model has 8 front-end ports and 8 back-end ports) and is protected by two redundant stand-by power supplies.
Data replication and computation replication both require processes to handle incoming events. Processes for data replication are passive and operate only to maintain the stored data, reply to read requests and apply updates. Computation replication is usually performed to provide fault-tolerance, and take over an operation if one component fails.
This is a comparison of commercial software in the field of file synchronization. These programs only provide full functionality with a payment. As indicated, some are trialware and provide functionality during a trial period; some are freemium, meaning that they have freeware editions.