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See this for more info : <a href="http://technet.microsoft.com/en-us/library/cc738360(WS.10).aspx" rel="ugc">http://technet.microsoft.com/en-us/library/cc738360(WS.10).aspx</a>
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See this for more info : http://technet.microsoft.com/en-us/library/cc738360(WS.10).aspx [http://technet.microsoft.com/en-us/library/cc738360(WS.10).aspx]

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You probably need to go into your raid mangement software and include this drive into the array. Is this drive a hot spare?
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You probably need to go into your raid mangement software and include this drive into the array. Is this drive a hot spare?

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It's pure guesswork until you tell us whether you have a RAID controller or not and if so which make / model.
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It's pure guesswork until you tell us whether you have a RAID controller or not and if so which make / model.

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Hi Experts. <br />
<br />
I have Raid 5 with 4 disks. And one hdd is failed I want to change that hdd. I buy same size and model HDD the HDD is Unallocated do I need to format HDD before I put into my Raid device?<br />
<br />
Thanks 
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Hi Experts. 

I have Raid 5 with 4 disks. And one hdd is failed I want to change that hdd. I buy same size and model HDD the HDD is Unallocated do I need to format HDD before I put into my Raid device?

Thanks 

Raid 5 Disk changing

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

Hardware includes cell phones and other digital living devices, tablets, computers, servers, peripherals and components, printers and scanners, gaming consoles, networking hardware such as routers, hubs, switches and modems, storage devices and security equipment such as firewalls and other appliances.