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From initial reading, it looks like Microsoft's forthcoming "Storage Spaces" is an LVM-like tool for Windows.

Is this a correct assessment?

If it's not merely LVM-for-Windows, then what is it, and how could the approach be replicated on Linux/Unix?

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closed as not a real question by Chris S, Shane Madden, Scott Pack, MDMarra, voretaq7 Jan 22 '12 at 2:21

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up vote 5 down vote accepted

There's nothing technologically new about Storage Spaces. They're just slapping a new coat of shellack on the same soft-RAID and VHD functionality that's currently in Win7/2008R2. They've coined a few new terms and simplified the configuration, but it's really nothing new and nothing to get excited about. Take a GPT Dynamic Disk, create some partitions (call them Pools), apply raid to taste (call it a storage policy), create some VHDs on them (rename Expanding VHDs as "Thin Provisioned")... You see where I'm going.

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Since it has checksumming I was going to call it more ZFS like. RAID TMK doesn't do any kind of checksuming –  TheLQ Jan 18 '12 at 2:35
    
"There's nothing technologically new about Storage Spaces"...with the exception of hot spares, if I'm not mistaken. –  joeqwerty Jan 18 '12 at 2:41
    
@TheLQ That's part of the NTFS improvements, not Storage Spaces per-se. –  Chris S Jan 18 '12 at 2:51
    
@joeqwerty you might have me there, though the vast majority of the functionality is in Windows already. I'd be more impressed if they put their efforts into functionality rather than the Oh Shiny interface. –  Chris S Jan 18 '12 at 3:01
    
True enough, although having hot spare capability at the OS level sounds useful for home users. –  joeqwerty Jan 18 '12 at 3:10
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