Storage Spaces is a Windows feature that allows one to group various physical drives into one logical drive.

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What external drives work with Windows 10 Storage Spaces?

What external drives work with Windows 10 Storage Spaces? I'd like to set up a mirror with two external 4 TB WD drives, but I can't tell if they're compatible with Windows 10 Storage Spaces. Is there ...
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Problems with Storage Spaces feature in Windows 10

I have a computer with one system disk (running Windows 10) and six data disks. I have created a Storage Space using the six data disks. However, it seems that not one but two disks are used as fault ...
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Connecting a USB Flash Drive to Storage Spaces

I have been playing around with Storage Spaces for a while now, originally in Win 8.1 and now 10, and have found the technology to be so useful. I have recently come into possession of 10 64GB USB ...
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52 views

Storage Spaces marks all disks as failed after 30 minutes of copying files

I have an Intel NUC with Windows 10 64bits, I connected with USB3.0 (UASP) an 8-bay HDD enclosure that contains 2 new HDD WD Red 6Tb, and 1 old HDD WD Green 2Tb (99% full but healthy, formatted with ...
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53 views

Windows Drive Name After Z? [duplicate]

I was wondering what will be the drive name used after Z:? I am planning to mount few virtual drives on my Windows machine and also have a plan to create few drives out of my existing 2TB HDD. My ...
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40 views

Does Tiered Storage in Microsoft Windows Server 2012 work with Microsoft Software ISCSI Target

I am trying to build a storage machine for my home network, but I’m running into an issue with understanding how certain things work behind the scenes. I am hoping to set up a tiered storage system ...
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69 views

How do I format a single raid 5 hard drive?

I'd like to know how to format a single former raid 5 hard drive If I boot up without the other raid 5 drives then Windows doesn't see it; it doesn't appear in Disk Management, or whilst booted into ...
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43 views

Storage Spaces unusable read speed

I've created a Storage Space with parity using 10 2TB disks and transferred 10TB onto it. However I am getting appalling read speeds. When I try and copy data off it, it takes ages to get going ...
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Windows 8.1 Storage Spaces Pool deletion

I am trying to delete my raid 0 storage pool and it seems that maybe the storage spaces utility doesn't recognize the pool being there. According to these screenshots (and others I have found that are ...
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111 views

Corrupted Data after replacing disk in Windows 10 Storage Space

I have a Windows 10 upgraded Storage Pool with 5 drives (Parity, thinly provisioned). 'Upgraded' means that this Storage Space supports rebalancing/optimizing (and this was a Windows 8 machine ...
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63 views

Create Windows 10 storage spaces when one disk already has data on it

While still on Windows 7 over a year ago I used a built in software mirror until I had some hardware freezing problems and this forced slow and painful resync. I decided to move back to manual backups ...
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Windows Storage Spaces - Stripe and mirror array on same disks?

Is it possible to take use two disks in a pool, create a stripe array in the outer sectors and a mirror array in the inner sectors? If so, how can this be accomplished?
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821 views

Windows 10 Storage Spaces Poor Speed

Using Storage Spaces under Windows 10 Pro, I am observing poor, nonsensical speed. A two-way mirror and a simple space across four drives on 2012R2 and 2016TP produce completely different performance ...
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157 views

Hard drive requirments for a home NAS Streaming (Plex) server

I plan to build this server to store my Blu-Ray rips, personal photos and music. My original plan was to install Ubuntu but now I plan to run Windows Server 2012 R2 - Datacenter, I get it for free as ...
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2answers
229 views

Storage Spaces - removal of disk in Simple array

I have a simple array set up in Storage Spaces that consists of 5 hard drives: four are 3TB and one is 2TB. I want to replace that 2TB with a larger drive, but it has 40.1 % of the disk being used ...
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89 views

Why is the total file and folder sizes in drive C: different from the folder size in Properties?

I have two different reports on the size of C: on Windows Server 2008 R2, by clicking the properties of C:, it shows 86.0 GB for "used space"; by selecting all contents (I have setup to view all ...
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284 views

Retiring disk in Simple Storage Space (Windows 10)

I'm banging my head against the wall trying to work something out with Windows Storage Spaces (WSS). Here's what I'm up against: I have 2 250GB drives in RAID1 (OS Drive), 2 3TB drives and 12 1TB ...
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58 views

How can I recover files from a “removed” storage space drive

Quick Statement: I need to recover data from a 4TB Storage Space drive that was "removed" from the array but hasn't been touched since. Details: I'm in real trouble here. I have a large Windows 8.1 ...
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48 views

Windows Storage Spaces Drive Portability when moved to another Port / Enclosure / Machine

There seem to be several related questions all of which are unanswered still. So I thought to combine them into one and elaborate a bit. Considering a simple Storage Space consisting of 2 identical ...
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2k views

In Windows 10 Pro Storage Space, why can't I use ReFS with Parity?

NTFS is the only option when Parity is selected as the resiliency type. I thought ReFS was suppose to replace NTFS? I am trying to create a storage space to use for network file share.
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140 views

Disk size varies - MooseFs

I have 4 moosefs chunkservers with 8 2.7 TB storage on each, I mount them using mfsmount and then export with nfs. Recently I noticed high iowait on my chunkservers, then huge mount size drops, see ...
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281 views

Reclaiming formerly used space in Storage Spaces

I have a large, mirrored, thinly provisioned space spread across multiple hard drives using Windows Storage Spaces in Windows 10 Pro. The space is about 4TB (8TB with resiliency). I have recently ...
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117 views

Storage Spaces Utilization Doesn't Make Sense

Here's my setup: Windows 10 1 2TB USB3 drive 1 3TB USB3 drive 3.59 TB Two way mirror storage space built from these drives Previously I had 2x 2TB drives, but one failed, so the replacement is ...
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72 views

Can Storage Spaces drives be moved to a SAS controller without data loss?

I have an old file server with some 20 SATA drives attached to both mainboard and external controller cards. The machine is running Windows Server 2012 R2 and using Storage Spaces to pool the drives. ...
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88 views

Add up multiple disks into single storage, replace disk without destroying data

Suppose I have a 1TB disk and a 2TB disk. If I want to use it as a single 3TB disk, there seems to be two solutions on Windows 8. Dynamic Disk in Disk Management Storage Spaces, Simple layout But ...
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245 views

One big storage pool vs. several smaller ones

I'm building a home server with Windows Server 2012 R2 and am planning to utilise the Storage Spaces feature. I have 4 hard drives (4 TB WD Reds) that will be holding a variety of data - media files, ...
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137 views

Changing Connectivity of Windows Storage Spaces Drives

I plan to have 2 identical SATA drives attached via SATA configured in a 2-way mirror Windows storage space created in Windows 8.1 or later. If I were to unplug those drives later, put them in a ...
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437 views

Software/Hardware RAID vs Windows Storage Spaces for DAS

I plan to upgrade my Intel RST Software RAID1 setup with 2 internal SATA drives to something more versatile: Drives need to be external (they have to reside in an enclosure connected to PC via eSATA ...
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31 views

Creating a large windows file system [closed]

I need to create a large windows file system - around the 500TB - 1000TB size. Primary use is for archival storage, performance is not a major design factor. We are a very small admin team so ...
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129 views

Will TrueCrypt affect my ability to restore my Storage Spaces drive pool?

I have 2x1TB set up in a two-way mirror with Storage Spaces. I'm going to reformat Windows, do I need to prepare anything to make them show up in the fresh install? Using Windows 8.1 and TrueCrypt ...
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42 views

Failover of Windows Storage Spaces

I am building a home server with an HP Microserver hardware. I installed Windows Server 2012 Datacenter on it. In order to take advanced of data protection, but without spending large money for a ...
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239 views

Remove a drive from Windows Storage Pool without losing data

I have a Windows Storage Pool with a 3TB drive and a 1.5TB drive. I want to move all the data from the 1.5TB drive to the (45% full) 3TB drive and then remove the 1.5TB drive. Is there any way to do ...
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587 views

Misleading “Couldn't mount file” message after successful mounting of removable Virtual Hard Disk that is part of Storage pool

I use two-way mirror feature of Windows 8 to regularly and transparently backup my important disks on USB drive. Size of my USB drive is much higher than size of disk to backup, so allocating whole ...
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39 views

What will happen if I reconnect 2 halves of two-way RAID mirror after using them independently?

Suppose I have a storage space with two-way mirror based on 2 physical USB drives a and b. Then I disconnect b and connect it to another computer. Then I use—write some data—to both degraded storage ...
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346 views

Green or Red hard drive for a SOHO NAS running Windows 8.1 Pro Storage Space? [closed]

I have been using Green HDDs (e.g. Western Digital Green) since the Windows Home Server days without any issues. Now that I have migrated to Windows 8.1 with Storage Space, I would like to know if ...
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Is it possible to access Storage Spaces from Windows 8.1 instance running under VMware Workstation?

I have a single Storage Space (2-way mirror) under Windows 8.1. The disks are in an external eSATA enclosure. It's mounted as a single drive. I'd like to access the data on the Storage Space from ...
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139 views

How do I merge two unallocated, non-sequential partitions on the same logical disk?

I'm wondering if I could merge two unallocated spaces as shown in the picture below: I would like to combine the two unallocated spaces into a single space for further partitioning.
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389 views

How to get serial number of drive in storage pool

I have a storage pool in windows 8.1 and notice that whenever I boot the computer, it hangs for a long time in the detecting IDE drives during post. When it finally gets into windows, it shows one of ...
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266 views

ATTO benchmark read speed slow below 4MB transfer size on 2-way mirror

I've set up two Toshiba DT01ACA300 HDDs in Windows 8.1 Storage Spaces as a 2-way mirror formatted as a NTFS volume. Benchmarking with ATTO shows this (volume is only a quarter full of data) Click ...
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760 views

Storage Space Error Inaccessible; Reconnect Drives

The storage spaces section in control panel lists "Error Inaccessible; reconnect drives", however each of the physical drives reports a status of "OK": Can someone please help me restore the ...
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5k views

Rebalance hard drives in a Storage Space Pool?

I have 2x 1.5TB drives in a (two-way mirror storage pool). That pool recently hit 100% capacity meaning both drives had 0% space left. I added 2x 4TB drives to the storage pool but Storage space ...
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590 views

How to recover a Win8 Storage Pool that had it's partitions deleted

I have (or had) a 4TB storage pool that I had created using 2x 500GB drives with 2-way mirroring. Everything was working fine until I made a very dumb mistake. I was following some steps for something ...
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261 views

How does performance scale in a single column 2-way mirrored storage space as more disks are added?

In Windows 8.1 Storage Spaces, there seems to be pretty solid evidence that 2-way mirrored storage spaces have performance that improves significantly as more disks are added to the pool as long as ...
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1answer
633 views

Storage Spaces BSOD after re-installing Windows 8.1

After reinstalling Windows 8.1, reconnecting my Storage Spaces array causes a BSOD. I have a 3 drive Storage Spaces array + separate SSD. I re-installed Windows 8 -> and upgrade to 8.1 After ...
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267 views

Create one virtual volume (Storage Pool) from multiple machines (WinServ2012)

Is it possible to create one storage pool or virtual volume from all of the drives in several machines with Windows Server 2012? I imagine this would come from creating a Storage Space on each ...
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255 views

Can I replace a “shucked” usb drive in a striped storage space?

I have a striped storage space with a 4 drives in it. One of the drives is a USB 3.0 Seagate drive which died recently. I wasn't able to make any progress with it in the USB enclosure (and it is out ...
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1k views

Replace disk in simple storage space

Is there a way to replace a disk in a storage space without partition on a W8.1 system? I want to replace a 1.5TB drive with a 3TB drive but I don't have any spare sata ports. I do have enough space ...
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624 views

Moving/copying to Windows 8 Storage Spaces parity pool, slows to a halt every time after Windows 8.1 upgrade

I recently set up Windows 8 with an external (USB) storage space parity pool (4 drives, varying sizes 1.5&2TB drives). I managed to move about 3TB to this pool without a hitch, then the Windows ...
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135 views

How to reprovision hard disk after Windows 8 Storage Space

I am rebuilding a PC. I have 4 hard disks and Windows 8.1 does not want to install on any of them. It is also see 3 of them as a single 'Storage Space' that I had created in a previous install of ...
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411 views

Windows 8 Storage Space Error

I have a Storage Space set up with 2 way mirroring on Windows Pro 8.1. It has 4 Hard drives. 2x2TB 640GB and 1.5TB. The 1.5TB has a bad sector and every time windows tries to read it, any process ...