Computer Storage, Part 3
33 entries in the Computer Storage, Part 3 compendium.
Double densityDouble density doubles capacity over single density via improved encoding.Floppy disk hardware emulatorA device that replaces floppy drives with solid-state storage.Floppy disk variantsMany floppy disk variants failed to unseat the dominant standards.FlopticalMagnetic-optical floppy drive that stored 21 MB.History of the floppy diskFloppy disks were a universal data format from the 1970s into the 1990s.IBM Extended Density FormatSuperformatting standard floppy disks to larger capacities.KryoFluxA hardware and software solution for preserving floppy disk software.Quad densityQuad density doubles capacity over double density on 5¼-inch disks.Single densityFirst-generation floppy disk designation using iron oxide and FM encoding.Triple densityTriple density triples capacity over extra-high density by tripling track density.Western Digital FD1771First Western Digital floppy disk controller chip.Write precompensationPrecompensation adjusts write timing to counter magnetic recording nonlinearity.Bad sectorA damaged disk sector causing data loss and system avoidance.Commodore D9060Commodore's first hard drive for home and business 8-bit computers.Disk compressionAutomatic on-the-fly compression to double disk space.Error recovery controlLimits drive error recovery time to prevent RAID array dropouts.Forensic disk controllerHardware device that blocks writes to protect forensic evidence.History of IBM magnetic disk drivesIBM invented the disk drive and led its development for decades.Page cacheTransparent cache for disk pages in main memory.Predictive failure analysisPredictive failure analysis anticipates hardware failure to enable proactive maintenance.RDX (disk)Removable disk storage designed to replace tape.CTERA NetworksEnterprise file services platform for hybrid cloud storage.My CloudPersonal NAS devices from Western Digital with proprietary operating system.NasuniHybrid cloud storage company using UniFS global file system.NetApp FASHybrid storage appliance running ONTAP with SAS SSDs and HDDs.OpenMediaVaultFree Debian-based NAS distribution with web-based administration.PanzuraHybrid-cloud data management for unstructured data across distributed locations.ScalitySoftware-defined storage for distributed file and object data.SynologyTaiwanese NAS maker known for DiskStation and DSM software.TrueNASA family of NAS products built on OpenZFS.XigmaNASOpen-source NAS software continuing the original FreeNAS code base.Amiga A570External CD-ROM drive for the Amiga 500, launched in 1992.AppleCDSCSI-based CD-ROM drives for Macs from the late 1980s.
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