Define raid structure, Database Management System

Assignment Help:

Define raid? Briefly explain it?

A range of disk organization methods, collectively called redundant arrays of independent disks (RAID)

o   Improvement of reliability through redundancy.

o   Improvement in performance thorugh parallelism

1. Bit level striping

2. Block level striping

RAID levels

  • RAID level 0
  • RAID level 1
  • RAID level 2(memory style error correcting code)
  • RAID level 3 (Bit interleaved parity organization)
  • RAID level 4 (Block interleaved parity organization)
  • RAID level 5 (Block interleaved distributed parity)
  • RAID level 6 (P+Q redundancy)

 


Related Discussions:- Define raid structure

Calculate the record size r in bytes, An employee record has the following ...

An employee record has the following structure struct employee { int eno; char name[22]; float salary; char dept[10];}; (i) Calculate the record size R in bytes.

Exclusive lock, Exclusive lock It is asked for by a transaction on...

Exclusive lock It is asked for by a transaction on a data item that it wants to update. No other transaction can put either a shared lock or an exclusive lock on a dat

Sorting field groups we cannot use more than one key field, While sorting f...

While sorting field groups we cannot use more than one key field False.

Create an index for the table client, Create an index for the table Client,...

Create an index for the table Client, field CLIENT_NO of Q ? Command:   CREATE INDEX client_client_no ON client(client_no);

Windows 8 Administrative Tools, Which two tools are used to administer user...

Which two tools are used to administer users for Active Directory?

What are the various symbols used to draw an e-r diagram, What are the vari...

What are the various symbols used to draw an E-R diagram? Explain with the help of an example how weak entity sets are represented in an E-R diagram. Various symbols used to d

ER diagram, construct an er diagram for a hospital with a set of patients a...

construct an er diagram for a hospital with a set of patients and a set of medical doctors. associate with each patient a log of various test and examination conducted.convert er d

What is a built-in, What is a Built-in A notation of identity is built-...

What is a Built-in A notation of identity is built-into the data model or programming language and no user-supplied identifier is needed. This form of identity is used in objec

What is a database, What is a Database? To know what database is, we ha...

What is a Database? To know what database is, we have to start from data, which is the basic building block of any DBMS. Data: Facts, figures, statistics etc. having no pa

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd