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I have two HDD of 146 gb each one, during the installation of Windows server 2008 I manage not to see the second disk, only one is accessible, can-you tell me how to proceed to get back the second.

Ama
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  • You posted this originally here: http://serverfault.com/questions/364792/hp-proliant-ml350-g6-server Were the answers there not appropriate? You need to give more info as to why your question is different. – webtoe Apr 02 '12 at 15:42
  • The answer there don't give me the way to restore my second disk, I can see it in the console of the hp array manager, but not under my computer. – Ama Apr 02 '12 at 15:46
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    By default it has been set up as a RAID array. You don't use the second disk. Please read the article on [RAID at wikipedia](http://en.wikipedia.org/wiki/RAID) – webtoe Apr 02 '12 at 15:49
  • So I can only manage and use 146gb of the first one? – Ama Apr 02 '12 at 15:59
  • Basically yes. RAID 1 is mirroring. So the data on disk 1 is mirrored transparently onto disk 2. – webtoe Apr 02 '12 at 16:01
  • Of course, you could set it up so the capacity of both disks are useable and appear as one disk, although this is called RAID0 and highly, highly recommended against. – tombull89 Apr 02 '12 at 16:09
  • I suggest you get some basic IT courses/server administration courses before proceeding. This is basic knowledge, you will run into more difficult problems than setting up/understanding RAID. – Lucas Kauffman Apr 02 '12 at 16:24

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If you have two 146GB disks in a mirrored paid (RAID 1) then you'll only ever see one drive from the operating system, both drives are acting as one, that's what mirroring is.

Chopper3
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