a storage abstraction layer for Direct Attached Storage in Microsoft Windows. provides features and performance comparable to a traditional SAN.

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12
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3answers
1k views

Windows Server 2012 R2 Deduped 356GB to 1.32GB

I'm experimenting with deduplication on a Server 2012 R2 storage space. I let it run the first dedupe optimisation last night, and I was pleased to see that it claimed a 340GB reduction. However, I ...
11
votes
4answers
7k views

How to resolve virtual disk degraded in Windows Server 2012

I am using the new Storage Spaces feature in Windows Server 2012. I have the following disks: FriendlyName CanPool OperationalStatus HealthStatus Usage ...
9
votes
3answers
304 views

Mixing disks of different sizes in a Storage Spaces pool

I have a Storage Spaces pool containing 2x 3TB disks. A single mirrored volume is created from this pool with a fixed size (not thin provisioned) and is set to use all space in the pool at the time of ...
9
votes
1answer
2k views

Error removing physical disk marked as Retired

I have Server 2012 with one storage pool and one virtual disk. The virtual disk uses layout parity and thin provisioning. It contained 4 physical disks. One of the physical disks failed. It was pulled ...
7
votes
2answers
5k views

2012R2 Storage Spaces Memory and CPU requirements

I am looking at possibly using Storage Spaces in Server 2012R2 to build a NAS off of. I am looking to build a fairly large unit, 12-14 HDDs, in a "RAID10" like setup (I know storage spaces does not do ...
6
votes
2answers
67 views

Is it possible to ask ReFS to use hardware RAID6 for parity calculations?

Does ReFS use FPGA-based XOR engines for RAID parity calculations? If not, is it possible to get it to use such tech?
5
votes
1answer
1k views

Storage Spaces 2012 R2 - can you 'lie' about SSD/HDD tiers?

As far as I'm aware in Windows Server 2012 R2 you can configure Storage Spaces to have two tiers and it'll migrate data between them automatically. These tiers are called 'SSD' and 'HDD' and are meant ...
4
votes
1answer
2k views

What are the advantages / disadvantages of using Storage Spaces in WS2012 vs RAID?

I'm building a cheap server from commodity hardware that should have at least some fault tolerance regarding its storage. Now that "Storage Spaces" are available directly in the Windows server OS, is ...
3
votes
1answer
4k views

Storage Spaces - Why Use Parity? [duplicate]

Given that mirrored Storage Spaces provide automatic corruption detection and repair, is space efficiency the only compelling advantage of parity over a mirror? I am thinking that the poor write ...
3
votes
3answers
80 views

Are storage pools basically another term for JBOD?

I am reading up on Storage for Windows Server 2012 R2 and I am trying to understand the purpose of Storage Pools. The way they make it sound is that you can create one big expandable ever growing ...
3
votes
1answer
3k views

Is Microsoft's “Storage Spaces” just LVM for Windows? [closed]

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 ...
3
votes
2answers
997 views

Tips on manually rebalancing data across a Parity Storage Space pool in Windows Server 2012 R2

On my HP Microserver N54L which acts as file server, I have a parity storage spool consisting of the following: 4x 2TB WD Caviar Green 1x 3TB WD Caviar Green (Recently added) The OS (Server 2012 ...
3
votes
1answer
2k views

Can storage-spaces drives be moved to a replacement server when there is a failure

I have tried to search here and Google, but cannot find a case explaining this. Storage spaces is similar to software raid. If the server fails due to motherboard or some other issue, can the drives ...
3
votes
1answer
2k views

Troubleshooting Windows Server 2012 storage spaces

I'm trying the new "Storage Pools" feature on Windows Server 2012, and I've created several disks on the pool. When I restart the server, some of the disks (two, out of four) do not attach ...
3
votes
1answer
1k views

Windows 2012 R2 scripted access to freespace of physical disks?

Is there a way to access the freespace of the physical drives that make up a storage pool on Windows Server 2012? I've just recently ran into a problem with running out of space, and can see the ...
3
votes
2answers
5k views

Dynamic disk or Storage Spaces?

I recently upgraded to windows 2012 server and am curious about the difference between storage spaces and simply creating a dynamic volume from the three drives. Basically, I have 3 hard drives I'd ...
3
votes
1answer
2k views

Sizing of journal disks with Microsoft Storage Spaces parity volume

I'm currently speccing out a new backup server. It's going to be running Windows Server 2012 R2 with Direct Attached Storage, and I'm considering using Storage Spaces rather than using a RAID card. (...
3
votes
1answer
2k views

Server 2012 Storage Pools, Raid Controller… can the Storage Pool deal with it?

Before trying it out - I don't find any documentation. Given that Storage Pools have serious performance problems with parity, and do not rebalance data at the moment when you add discs, my preferred ...
2
votes
1answer
975 views

2012 R2 Storage Spaces, are there any obivous problems with this implementation?

I am planning on building a HA 2012R2 Storage Spaces Cluster. OK, here is what I am planning... 2 2012R2 Servers each with a LSI LSI00300 (9207-8e) PCI-Express 3.0 x8 Low Profile SATA / SAS Host ...
2
votes
1answer
13k views

Install server 2012 on HP ML110 G7 with B110i controller, no disks found

I'm trying to install Server 2012 on a HP ML110 G7 with a B110i controller and four non hot-swappable SATA drives. I just can't get the Server 2012 boot disk PE environment to find any disks. I ...
2
votes
1answer
170 views

Building a SAN on 2012R2 “Storage Spaces” - More Cores, or Faster Single Thread?

I am considering building a SAN unit on Server 2012R2 using Storage Space. In that situation is it more helpful to have more CPU cores, or less faster cores?
2
votes
1answer
211 views

How to safely swap/replace a PhysicalDisk in a Parity Storage Pool

I have Storage Space configured with Parity resiliency that has a total of 5 SATA drives. 4 of the drives are near full capacity (90% used). I am now getting a low capacity warning because this. I ...
2
votes
2answers
3k views

Can Storage Spaces be used for Hyper-V VMs?

I'm planning to update my server from Win Server 2008 Rs to 2012 when it is released. I'm very interested in the new "Storage Spaces". The main question I have is whether I can mount a storage space ...
2
votes
1answer
61 views

Expanded parity disk is “full”

I completely rewrote the question since this turned out to be a storage spaces question. Long problem short: 2x3TB disks -> fill upp space -> add one More 3TB disk. Now Windows says disk is full, ...
2
votes
1answer
884 views

Storage Spaces adding a mirrored drive later

I am planning to use Storage Spaces in Windows Server 2012 R2. I want to initially set up my sever with 1 hard drive in the storage pool. Is it possible later to add a second drive that mirrors the ...
2
votes
1answer
69 views

Storage Space Write cache, and write speed

Hey guys i have been working on my NAS that is using server 2012r2 with storage spaces. the drives are off the shelf 7200 rpm drives the drives are bitlocker encrypted the drives are in a 8 disk ...
2
votes
0answers
56 views

How to dismount a VHD that has been absorbed into a Storage Space

Normally in Windows, you can create a Virtual Hard Disk (VHD), see it in the Disk Management, right-click, and remove it: No problem. Storage Spaces Hides Disks I want to test the resiliency of ...
2
votes
3answers
96 views

RAID versus Storage Pools

I'm currently developing a requirements specification for a new server and am trying to weigh benefits & pitfalls with available technologies. Our current server uses a RAID-5 disc layout which ...
2
votes
0answers
223 views

Viewing Storage Space allocation for physical disk

I have a server that had four disks (2x 4TB and 2x 3TB drives) in a Server 2012 R2 Storage Pool. There are two virtual disks in the pool - a parity disk and a mirrored disk. The idea was to add two ...
2
votes
0answers
50 views

Can Storage Spaces VirtualDisks be moved between pools?

Can I move a Storage Spaces virtual disk from one pool to another? Or do I need to create new volumes and copy the files with the operating system?
2
votes
0answers
166 views

Windows Server 2012 Storage Pools and TLER/CCTL/ERC enabled drives

How do Storage Pools manage near line hdds (no raid controller) that implement TLER/CCTL/ERC? Is it completely transparent, or does that feature need to be disabled in order for the automatic ...
2
votes
2answers
1k views

Mirrored virtual disk on storage pool can't expand after adding drive on Windows Server 2012 R2

I've recently taken to converting a couple of mirrored RAID1 arrays into one large storage pool. I have two 2TB disks and two 3TB disks, altogether 10TB, which when mirrored should give me 5TB of ...
1
vote
2answers
7k views

How to share Fibre Channel between servers on Windows 2012 STD

I'm new to Fibre Channel so please take that into consideration. We have 3 servers. 2 servers are running Hyper-V and 3rd server was bought to act as a file/backup server for those 2 servers. All ...
1
vote
4answers
141 views

Move existing workload to windows 2012 R2 tiered storage, sizing

I have a Hyper-V host that has it's performance bound by the storage subsystem, which is a RAID 10 array. I'd like to add two SSD PCIe cards and use them to create a mirrored fast tier using Windows ...
1
vote
1answer
588 views

Storage Spaces Recovery

Windows Server 2012 R2. 25 low cost disks and one SSD. OS is installed on the SSD, and the low cost disks are configured as a storage pool (with a couple of hot spares). The SSD has failed. Through ...
1
vote
1answer
1k views

How do i use storage spaces?

I am planning on building a new windows 2012 server for a client and I have no experience in doing so. I have built many linux servers for them and setting up software raid during the install is a ...
1
vote
2answers
422 views

windows 2012 failover cluster, system validation, and storage spaces

I have two host servers with Windows 2012 Hyper-V installed. I have also configured File and Storage Services with one Storage Pool, one Virtual Disk on each server. I used Star Wind SAN for Hyper-V ...
1
vote
1answer
462 views

Windows 8/Server 2012 Storage Spaces with multiple chassis

I've been doing some experimenting with Microsoft's new storage spaces but keep running into the same question. I have a 2012 server with an HBA attaching it to two external disk array chassis. I've ...
1
vote
1answer
104 views

Storage Space Parity disk running very slow

The problem started, or at least noticed after expanding the virtual disk to 5 TB during a network file transfer. What happens is if I'm transferring a file to the server (running 2012 R2) it writes ...
1
vote
1answer
124 views

How to hook up a Supermicro JBOD expander to an HP DL380

I'm totally new to the subject of high-availability / distributed storage, and have to figure out a solution for a particular project. I am looking at using Windows Server 2012 R2 Storage Spaces to ...
1
vote
2answers
298 views

How to add space to /usr mount point in HP-UX without a restart (no Online JS)

I have an HP UX server that has a mount point /usr that reached 100% when you use bdf command. How can I add space (tried removing files, not an option) from either a new disk or existing diskspace ...
1
vote
1answer
489 views

How to configure Windows Hyper-V server with Windows Storage Spaces

I creating a Hyper-V home setup. I have a single Machine (haswell CPU, 16GB ram, and SSD) Storage is attached as DAS (5 Disk USB 3.0 enclosure) I want that machine to be a Hyper-V host (Windows Std. ...
1
vote
1answer
2k views

Connecting a Storage Space: connect-virtualdisk error PermissionDenied 40001

I'm trying to attach a storage space in my server but am receiving and access denied error. The back story is that the storage space was working fine on windows home server 2012, but then I paved the ...
1
vote
0answers
22 views

Local External Drive Backup for WinServer 2012 R2 Essentials

Right now a client of mine has a WinServer 2012 R2 Essentials machine with three hard drives in it - one is the main C: drive for the OS, and the remaining two are using Storage Spaces for drive ...
1
vote
0answers
24 views

Disks added to storage spaces are not picked up by virtual disk created by powershell

A time ago i had to configure a W2012 R2 essentials server with storage spaces and 2 virtual disks. As the real disk count and the disks itself where not final at that time, i had to resort to the ...
1
vote
0answers
108 views

host adapter vs bios

recently I had to create a raid 10 from 32 disks using the LSI 3108 hardware raid card. But after I create the virtual drives and initialize them, I got this msg in the boot prompt, "2 virtual drive ...
1
vote
0answers
308 views

Unexpected LSI SAS 9211-8i RAID x8 SSD Performance

After attaching 8 850 EVO SSD to my LSI 9211-8i and creating a Windows Server 2012 R2 Storage Spaces 8 column virtual disk I copied a VHD from and to the virtual disk and observed ~300 MB/s transfer ...
1
vote
0answers
44 views

MSW2012R2 StorageSpaces + SSD tiering. Unknown Placement Status

I use StorageSpaces with tiering. I have several vhdx images that I want to be constantly pinned to SSD on my tier. I use command: Set-FileStorageTier –FilePath "path" -DesiredStorageTier "tier" ...
0
votes
1answer
585 views

IOPS bottleneck in design? [duplicate]

I'm building a 45 drives (backblaze) storage pod for use with Windows 2012 R2 Storage spaces. Spec is 2xE5-2620 v2 cpus, 32 GB ram, 3xLSI 9201-16i cards, 9x1 TB SATA SSDs, and 36x4TB HGST ultrastar ...
0
votes
1answer
126 views

Reconfigure (software-RAID) array for more space

I have: Windows Server 2012 with Hyper-V and 2 VMs x6 hard drives 500 GB capacity in software-RAID array (Window's Storage Spaces) for VM storage, x1 SSD boot drive for server host OS (and VM page ...