< All CompTIA Cloud+ Notes

tsirhCdneM | CompTIA Cloud+ | Module 2

By: Raul Pop | Related Course: CompTIA Cloud+ | Published: June 8, 2017 | Modified: June 8, 2017
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NotepadStorage Device Configuration

Storage Types and Configurations

Tiering

Redundant Array of Independent Disks(RAID)

File System Types

 

Disk Types and Configurations:

-Removable Media

-Interface Types

-Access Speed

-Solid-State Drive(SSD)

-USB

-Tape

 

Removable Media

-Disks

-Floppy Disks

-USB Drive

-Can be fixed or non removable

 

Interface Types

-Advanced technology attachment(ATA)

-Integrated drive electronics(IDE)

-Serial ATA(SATA)

-Serial attached SCSI(SAS)

-Small computer system interface(SCSI)

 

Access Speed

-Hard disk Speed

-Latency

-Access Time

 

Solid State Drive(SSD)

-Contains no moving parts

-High performance storage device

 

USB Drive

-Plug and play removable storage

-Assigned a drive letter on Windows OS

-Powered by the USB port if small

-Requires an external power supply for larger hard drives

-Best of temporary transfers and storage

 

Tape

-Requires a device to read the magnetic tape

-Used primarily for backup data

-Primarily a means of keeping monthly or yearly full backups

-Slow seek time

-Used for off-site storage

 

 

 

Tiering

-Performance Levels of Each Tier

-Policies

 

Performance Levels of Each Tier

-Tier 1-Mission critical

performance,capacity,reliability and manageability

-Tier 2-Major business applications

Needs to be reasonably fast

-Tier 3-financial data

Not accessed often,inexpensive

-Tier 4-Stored e-mails or data for long periods

Large amounts of data can be slower than the others

 

Policies

-Used for fitting data in each tier

-Policy to migrates between tiers

-Provide guidelines to manage the organization’s data

-Service License Agreement(SLA)


NotepadStorage Device Configurations part 2

1)RAID

-RAID 0(Striped)

-RAID 1(mirrored)

-RAID 0+1(striped+striped=becomes mirrored)

-RAID 1+0 or 10(mirrored+mirrored=becomes striped)

-RAID 5(Block level stripping with distributed parity)

-RAID 6(Block-level stripping with distributed parity and an additional parity block)

 

File system Types

-Byte Size

-Unix File System

-New Technology File System

-File Allocation Table

-Virtual Machine File System

-Z File System 

-Extended File System

 

Byte

1024 kb kilobyte

1024 mb megabyte

1024 gb gigabyte

1024 tb terrabyte

1024 pb petabyte

1024 eb exabyte

1024 zb zettabyte

1024 yb yottabyte

 

Unix File System(UFS)

-Primary file system for unix based os

-uses a hierarchical file structure

-top level is called the root

 

max volume:1 YB

max files size:32 PB

No encryption

 

New Technology File System (NTFS)

-Created by Microsoft

-Supports features such as:

-compressions

-volume shadow copy service(vss)

-encryption file system(efs)

-quotas

 

MAX VOLUME:256 TB

Max files size:16 TB

Yes Encryption

 

File Allocation Table(FAT)

-Legacy file system

-Used primarily by removable media

-Does not support features for permissions and encryption

 

Max volume 2tb

max files 4gb

no encryption

 

Virtual Machine File System(VMFS)

-Used with VMware ESX server and vSphere

-Stored disk images and snapshots in a file

-Allows server to read and write simultaneously

 

Max volume:64tb

Max File Size:2TB

No encryption

 

Z File System 

Created by Sun microsystem

-file system and logical volume manager

-protects against data corruption

-supports high storage capacities

 

MV:16EB

MZ:16EB

No encyption

 

-Extended File System

First FILE SYSTEM CREATED SPECIAFICALLY FOR LINUX

-UNIX FILE SYSTEM

-LINUX DISTRIBUTIONS

-EXT2,EXT3,EXT4

 

MV:1YB

MFS:32PB

No encryption

Describe Storage Types

Describe Tiering

Described Redundant

Described File System


< All CompTIA Cloud+ Notes
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