Difference between revisions of "Redundant Arrays of Independent Disks (RAID)"

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|'''1.''' Redundant Arrays of Independent Disks or RAID is a group of disks that is configured to appear as a single disk drive to the host.
 
  
'''Notes (1)''': These independent disks or RAID uses many smaller disks instead of using one large disk to store data, because this is a less expensive approach to using many low-cost drives as a group to improve performance, yet also provides a degree of redundancy that makes the chance of data [[loss]] remote.
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| '''1.''' Redundant Arrays of Independent Disks or RAID is a group of disks that is configured to appear as a single disk drive to the host.
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'''Notes (1)''': These independent disks or RAID uses many smaller disks instead of using one large disk to store data, because this is a less expensive approach to using many low-cost drives as a group to improve performance, yet also provides a degree of redundancy that makes the chance of data [[Loss|loss]] remote.
  
Related Terms: [[Mirroring]], Duplexing, Resilient Storage Implementation, [[Data Protection/Recovery Strategy - Category]].  
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Related Terms: [[Mirroring|Mirroring]], Duplexing, Resilient Storage Implementation, [[Data_Protection/Recovery_Strategy_-_Category|Data Protection/Recovery Strategy - Category]].
  
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[[File:BCM Institute.jpg|thumb|left|100px|BCM Institute.jpg]]<br/> <br/> <br/> {{BcmBoK 4 CL 2D}} [[File:A Manager Guide to IT DRP v1.1.jpg|thumb|left|140px|'''A Manager's Guide to Managing and Implementing Your IT Disaster Recovery Plan''' (2010)]]<br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> <br/> '''''Courses'''''
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*[https://www.bcm-institute.org/courses/it-disaster-recovery-plan-itdrp-certification-courses/drp-200-it-dr-planner/ Attend: DRP-200: IT DR Planner]
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*[https://www.bcm-institute.org/courses/it-disaster-recovery-plan-itdrp-certification-courses/drp-300-it-dr-implementer/ Attend: DRP-300: IT DR Implementer]
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*[https://www.bcm-institute.org/courses/it-disaster-recovery-plan-itdrp-certification-courses/drp-400-it-dr-manager/ Attend: DRP-400: IT DR Manager]
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*[https://www.bcm-institute.org/courses/it-disaster-recovery-plan-itdrp-certification-courses/drp-5000-it-dr-expert-implementer/ Attend DRP-5000: IT DR Expert Implementer]
  
[[Image:BCM Institute.jpg|left|thumb|100px| '''[http://www.bcm-institute.org/courses '''BCM Institute's Professional Training and Certification''']''']]
 
<br><br><br>
 
{{BcmBoK 4 CL 2D}}
 
[[Image:A Manager Guide to IT DRP v1.1.jpg|thumb|left|140px|'''A Manager's Guide to Managing and Implementing Your IT Disaster Recovery Plan''' (2010) [http://store.bcm-institute.org/books/bcm-manager-s-guide-specialist-series BUY!]]]
 
<br><br><br><br><br><br><br><br><br><br><br>
 
'''''Courses'''''
 
* [http://www.bcm-institute.org/courses/it-disaster-recovery-dr-col-263/20-it-disaster-recovery/577-it-dr-planner Attend: DRP-200: IT DR Planner]
 
* [http://www.bcm-institute.org/courses/it-dr-implementer Attend: DRP-300: IT DR Implementer]
 
* [http://www.bcm-institute.org/courses/it-dr-manager Attend: DRP-400: IT DR Manager]
 
 
{{Bcm Institute Source}}
 
{{Bcm Institute Source}}
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[[Category:BCM Institute DR Glossary]]
 
[[Category:BcmBoK 4 CL 2D]]
 
 
  
 
'''2.''' A way of storing the same data over multiple physical disks to ensure that if a hard disk fails a redundant copy of the data can be accessed instead. Example schemes include mirroring and RAID–5.
 
'''2.''' A way of storing the same data over multiple physical disks to ensure that if a hard disk fails a redundant copy of the data can be accessed instead. Example schemes include mirroring and RAID–5.
  
'''(Source: [http://www.microsoft.com/windowsserversystem/storage/storgloss.mspx| Microsoft Storage Glossary])
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'''(Source: [http://www.microsoft.com/windowsserversystem/storage/storgloss.mspx| Microsoft Storage Glossary])'''
  
[[Category:BCM Institute DR Glossary]]
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'''3.''' A mechanism for providing data [[Resilience|resilience]] for computer systems using mirrored arrays of magnetic disks.Different levels of RAID can be applied to provide for greater [[Resilience|resilience]].
[[Category:BcmBoK 4 CL 2D]]
 
  
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{{ITIL Source}}
  
'''3.''' A mechanism for providing data [[resilience]] for computer systems using mirrored arrays of magnetic disks.Different levels of RAID can be applied to provide for greater [[resilience]].
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[[Category:BCM Institute DR Glossary]] [[Category:BcmBoK 4 CL 2D]]
 
 
{{ITIL Source}}
 

Revision as of 04:12, 23 August 2017

1. Redundant Arrays of Independent Disks or RAID is a group of disks that is configured to appear as a single disk drive to the host.

Notes (1): These independent disks or RAID uses many smaller disks instead of using one large disk to store data, because this is a less expensive approach to using many low-cost drives as a group to improve performance, yet also provides a degree of redundancy that makes the chance of data loss remote.

Related Terms: Mirroring, Duplexing, Resilient Storage Implementation, Data Protection/Recovery Strategy - Category.

BCM Institute.jpg



BCMBoK Competency Level
BCMBoK 4: Business Continuity Strategy CL 2D: Intermediate (DR)
A Manager's Guide to Managing and Implementing Your IT Disaster Recovery Plan (2010)











Courses

(Source: Business Continuity Management Institute - BCM Institute)

2. A way of storing the same data over multiple physical disks to ensure that if a hard disk fails a redundant copy of the data can be accessed instead. Example schemes include mirroring and RAID–5.

(Source: Microsoft Storage Glossary)

3. A mechanism for providing data resilience for computer systems using mirrored arrays of magnetic disks.Different levels of RAID can be applied to provide for greater resilience.

(Source: OGC, Information Technology Infrastructure Library (ITIL) v3)