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I have just installed Windows Home Server 2011 on a freshly built box with 2 x Samsung 2TB hard disks. Once the installation was complete I logged into the server and found that drive D: is reporting 1.75TB free (which seems right) but the C: drive only reports a total size of 60Gb!
Has anyone seen similar issues? Is this just WHS being clever with disk allocation?
Simon
Posted 2011-07-25T21:39:48.653
Reputation: 113
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A 2TB drive is seen by the computer as only having approximately 1860 GiB of raw space. This is due to the difference in counting it in binary (1KiB = 1024 B) in the OS versus decimal (1KB = 1000B) on the drive packaging.
1.75TB + 60 GB = 1810 GB, which is about right after losses from formatting, et cetera. This is for one drive, obviously.
Your drives are most likely being used in RAID 1 (mirrored drives), or you only formatted and partitioned a single drive.
Here's a decent explanation of the binary/decimal drive space issue: http://www.codinghorror.com/blog/2007/09/gigabyte-decimal-vs-binary.html
Hyppy
Posted 2011-07-25T21:39:48.653
Reputation: 3 636
I'm being stupid, Windows has partitioned the primary HDD into two and ignored the second HDD. I've now formatted it and it appears as expected. Thanks! – Simon – 2011-07-26T06:03:29.697
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C drive is a dedicated system partition, typically 60 gb. D drive is the rest of that disk. Next drive will be labelled E etc.
T-Reis
Posted 2011-07-25T21:39:48.653
Reputation: 16
1Where are you checking the drive spacing? I'm thinking you might just have a bunch of unpartitioned space. – ErnieTheGeek – 2011-07-25T21:52:09.187