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This post about EMC storage processor explains the basics.<br />
<br />
<a href="http://emcclariiontraining.blogspot.com.au/2010/01/what-is-storage-processor.html" rel="ugc">http://emcclariiontraining.blogspot.com.au/2010/01/what-is-storage-processor.html</a><br />
<br />
This article has some good detail.<br />
<a href="http://www.storage-switzerland.com/Articles/Entries/2011/11/22_What_is_a_Storage_Controller.html" rel="ugc">http://www.storage-switzerland.com/Articles/Entries/2011/11/22_What_is_a_Storage_Controller.html</a><br />
<br />
Hope it helps
</div>


This post about EMC storage processor explains the basics.

http://emcclariiontraining.blogspot.com.au/2010/01/what-is-storage-processor.html [http://emcclariiontraining.blogspot.com.au/2010/01/what-is-storage-processor.html]

This article has some good detail.
http://www.storage-switzerland.com/Articles/Entries/2011/11/22_What_is_a_Storage_Controller.html [http://www.storage-switzerland.com/Articles/Entries/2011/11/22_What_is_a_Storage_Controller.html]

Hope it helps

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<div class="content wysiwyg-content">
I would like to know what is the purpose of the storage processor.<br />
What is the function of this &amp;&nbsp;how it works &amp;&nbsp;why it is required.
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I would like to know what is the purpose of the storage processor.
What is the function of this & how it works & why it is required.

Storage Processor

Computer data storage, often called storage or memory, is a technology consisting of computer components and recording media used to retain digital data. In addition to local storage devices like CD and DVD readers, hard drives and flash drives, solid state drives can hold enormous amounts of data in a very small device. Cloud services and other new forms of remote storage also add to the capacity of devices and their ability to access more data without building additional data storage into a device.

Storage

Storage devices include any device used for storing and retrieving digital information. Hard disk drives (HDDs) use one or more rigid ("hard") rapidly rotating disks (platters) coated with magnetic material. Data is accessed in a random-access manner, meaning that individual blocks of data can be stored or retrieved in any order and not only sequentially. The primary competing technology for secondary storage is flash memory in the form of solid-state drives (SSDs), but HDDs remain the dominant medium for secondary storage due to advantages in price per bit and per-device recording capacity. CD-RW (Compact Disc-ReWritable) is a digital optical disc storage format that allows information to be stored outside the mechanical HDD.

Storage Hardware

The term "Backup" means the methods and processes involved to copy computer data (system data as well as application data) to media other than the ones where the data originally live (disk, tape, optical, cloud). "Restore" in turn means the methods and processes involved in data recovery, i. e., bringing back copied computer data to their original location. Backup/Restore primarily serves as a means of protection against data loss, be it due to disaster, corruption or sabotage. It can also be used for recovering data from an earlier point in time and even for cloning machines or applications. There is a wide variety of backup/restore software available, from expensive commercial products to free or open source tools.