Storage.pdf

STORAGE Andrey Wynn A. Mariñas WHAT IS A STORAGE DEVICE? S T O R A G E A storage device is a piece of hardware used to save and retrieve digital data. There are different types of storage devices, each with its own characteristics and u...

STORAGE Andrey Wynn A. Mariñas WHAT IS A STORAGE DEVICE? S T O R A G E A storage device is a piece of hardware used to save and retrieve digital data. There are different types of storage devices, each with its own characteristics and use cases. 2 S E P T E M B E R 2 , 2 0 2 4 TYPES OF STORAGE DEVICES Hard Disk Drive Solid State Drive EXTERNAL HARD (HDD) (SSD) DRIVE Uses spinning disks and Uses flash memory to store A hard drive that connects to read/write heads to store data data, which means it has no a computer via USB, S T O R A G E magnetically. It’s known for its moving parts. SSDs are Thunderbolt, or another large storage capacity and faster, more durable, and interface. It’s used for relatively low cost, but it’s more energy-efficient than additional storage, backups, slower and more prone to HDDs, but they can be more or transferring data between mechanical failure compared expensive per gigabyte computers to other types 3 USB FLASH DRIVE MEMORY CARD OPTICAL DISC A portable, compact device Similar to USB flash drives Includes CDs, DVDs, and S E P T E M B E R that uses flash memory to but usually used in devices Blu-ray discs, which store store data. It’s often used for like cameras, smartphones, data using laser technology. transferring files between and tablets. Common formats They’re less common for computers or as a convenient include SD cards and primary storage nowadays but way to carry data around microSD cards are still used for media 2 , distribution and backups 2 0 2 4 TYPES OF STORAGE SYSTEMS Direct-Attached Network-Attached Storage Area Storage (DAS) Storage Network Storage directly connected to A dedicated storage device A high-speed network of a single computer, usually via connected to a network, storage devices providing S T O R A G E USB, SATA, or SCSI. allowing multiple users and block-level storage that is Common for personal devices to access the data. accessible to multiple servers. computers, small businesses, Used by Small to medium- Often used by Large or as supplementary storage sized businesses, home enterprises and data centers for individual computers. networks needing centralized needing high-performance Cloud Storage storage and file sharing. storage with high availability Storage provided over the and scalability 4 internet by third-party service providers, offering scalable S E P T E M B E R and on-demand access. General purpose, from personal backups to enterprise-level data storage and disaster recovery. 2 , 2 0 2 4  ACTIVITY: S T O R A G E C r e a t e a s i mp l e t o p o l o g y o f t h e t y p e s o f s t o r a g e s y s t e ms. 5 S E P T E M B E R 2 , 2 0 2 4  SAN: S T O R A G E DAS: NAS: CLOUD: STORA SERV STORA SERV STORA STORA STORA CLOUD STORAGE GE ER GE ER GE GE GE PROVIDER 6 SWITCH INTERNET SWITCH COMPUTER S E P T E M B E R SERV SERV SERV COMPUTER ER ER ER COMPUTER SWITCH 2 , 2 0 2 4 COMPUTER COMPUTER SUMMARY Each type of storage device has its strengths and is suited S T O R A G E to different needs, so the best choice depends on factors like speed requirements, capacity needs, budget, and intended use. 7 S E P T E M B E R 2 , 2 0 2 4