Windows 8 and 8.1 Forums


Storage Spaces-- Is a pool movable?

  1. #11


    Posts : 1,925
    Windows 8.1 Pro


    Storage spaces is very different from Drive Extender (in WHS). Yes, they provide many of the same features, but they're implemented very differently.

    Drive Extender, basically copied files from one disk to another to "balance" them, creating a redundancy. It had an algorithem it used to make sure everything was copied to one drive or another.

    Storage Spaces works at the block level rather than the file level, and it uses parity blocks to improve redundancy. This is similar to the old .par technology we used to use on newsgroups, where you could download .par files to "substitute" for any section of a missing file. It's more like RAID with "virtual" volumes rather than DE.

    DE was nice you just dropped in a drive, and it auto-initialized and was ready to go. Storage Spaces requires a little more configuration. You can't take a single drive and read files off of it.

      My System SpecsSystem Spec

  2. #12


    Posts : 636
    Windows 7/8


    I see the use for it, it's just kind of funny thinking that the number of regular desktop users that actually make use of it is probably vastly smaller than the number of people that used the start menu which was removed because "not enough people used it"

    I'll probably end up testing this over WHS 2011 which I am now using but while funtional seems awefully SLOW for network use (even though the machines are all on GBps ethernet). The only two things I'm using on WHS is the mirroring (on and off line) and whole machine backups. THe latter of which there are many software alternatives for...
      My System SpecsSystem Spec

  3. #13


    Some things I have come across

    1). Minimum drive size is 4GB....unless you are testing with VM's like I am, this likely won't be an issue.
    2). Each drive that you add to the pool, will have approx 768MB of disk space used for overhead and probably the header info and such that the drive needs to work in the pool.
    3). When you create a Storage Pool, 256MB per disk drive in the pool will be overhead. Thus, if you have 2 drives in your pool, the second you create the pool 512MB of xxGB of pool capacity will be used. If you have 4 drives, it would be 1024MB of xxGB of pool capacity used.
    4). Each time you add a Storage Space, it has a certain amount of overhead. For example, a straight stripe (no resiliency) with 2 drives, takes 768MB of the Pool for overhead. A 2 way mirror with 2 drives, takes up 1.5GB of pool capacity, etc.


    So, I thing I noticed that I didn't like

    1). I took 2 x 40GB drives and created a pool, and 1 storage space which was a 20GB 2 drive mirror.
    2). I then removed one of the drives from the VM (simulating a drive failure)
    3). My machine booted, and I saw my Storage spaces and my E drive was fine, but Windows never did tell me that 1 of the drives in my mirror had failed...unless I manually went into Storage Spaces and checked it out.

    When a drive fails, it's gotta let you know. It's gotta be in your face about it.


    Now, I was able to take my 1 remaining drive, and move it to another Windows 8 VM and it mounted it, and saw my data and my mirror was intact. So, that was good.

    I then tried to remove that drive, and it would not let me. It marked it as retired and said I had to add another drive first to the pool, then remove the first drive.

    When I added in the replacement drive, it started a rebuild process automatically.

    Once my two way mirror was back intact with 2 drives, I was able to dump the 1st failed drive out of the set.
      My System SpecsSystem Spec

  4. #14


    Posts : 636
    Windows 7/8


    Did the drive failure show up in the windows log at least?

    I think your right about wanting to be notified but there are already SO many errors windows keeps to itself (but logs) that you have to constantly be monitoring the log anyway :/
      My System SpecsSystem Spec

  5. #15


    I'm not one that checks event logs on my local PC much. unless I really notice a problem, I don't worry too much. If a drive has failed and I'm down to 1 drive before complete loss of data, I really think Windows needs to pop that up in your face.
      My System SpecsSystem Spec

Page 2 of 2 FirstFirst 12
Storage Spaces-- Is a pool movable?
Related Threads
How Create a New Pool and Storage Space in Windows 8 Storage Spaces lets you group drives together in a storage pool. Then you can use pool capacity to create storage spaces. Storage spaces are virtual drives that appear in Windows Explorer. You can use them like any other drive, so itís...
Has anyone tried the new Storage Spaces feature in Windows 8? Your experience with it? More specifically: 1. If this system is used on a shared network with other operating systems such as XP and Windows 7, can the storage pool drives be set up as shared, and become visible and usable from...
When adding an initial drive to a storage pool I get the error "incorrect function" System: Proliant ML110 G4, Windows 8 64-Bit, 4GB Ram I have a 160GB drive installed on the motherboard's controller which hosts the OS I've installed a single 2TB drive on a 2 Port PCI Express Internal SATA II...
Storage Spaces in Drivers & Hardware
Storage Spaces are a very intriguing part of W8. I'd like to give them a try. From what I've read if I try to use Storage Spaces on drives with files the files will be deleted. Is this correct? If I move my files to another drive that's won't be part of my pool, can I then move them back to...
How to Rename a Storage Pool, Storage Space, and added Drives in Windows 8 Storage Spaces lets you group drives together in a storage pool. Then you can use pool capacity to create storage spaces. Storage spaces are virtual drives that appear in Windows Explorer. You can use them like any...
How to Add or Remove Drives from a Storage Pool in Window 8 Storage Spaces lets you group drives together in a storage pool. Then you can use pool capacity to create storage spaces. Storage spaces are virtual drives that appear in Windows Explorer. You can use them like any other drive, so...
How to Delete a Storage Space in a Storage Pool in Windows 8 Storage Spaces lets you group drives together in a storage pool. Then you can use pool capacity to create storage spaces. Storage spaces are virtual drives that appear in Windows Explorer. You can use them like any other drive, so...
Eight Forums Android App Eight Forums IOS App Follow us on Facebook