Avtar Singh
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After installing Windows 2012 R2, the disk management is showing wrong storage, could this be due to Raid management
I have a dell R420 server with 4, 300GB sas harddrive in it, with contos OS. I had to install windows 2012 R2 in it. I did a boot up from the CD drive and installed the Windows 2012 R2. Now when i see the disk management it is showing me 600gb of storage instead of 1200. Could this be due to preinstalled raid configuation, if yes how do i delete it and get back the complete storage space
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No, don't use RAID 5. That is something of the past decade. If you need more than 600GB space, get some additional disks and setup RAID 6.
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Avtar-Singh,
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Storage
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.
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I'd suggest using RAID 5 where you have 3 active disks and one parity disk. This allows you to lose one disk without losing any of your data.
As for finding the raid configuration, rindi is correct, your server most likely has a build it RAID Controller and is most likely controlled by the lifetime manager.