Storage Spaces Capacity (RAID5)
Oct 9, 2013
I've been using storage space for around a year with pool and raid functionality and I just realized the numbers don't add up... I have 7x 2TB all parts of a single pool with parity. Now here's the numbers:
Physical space: 14tb
Storage Space size (user set): 12tb
Used Storage Space size (according to windows explorer): ~6tb
Used Storage Space size (according to storage spaces): ~9tb
Individual drive used % (according to storage spaces): ~75% each
Storage spaces tells me to add a drive, low capacity... So I know how normal RAID5 works and it really shouldn't use 50% of the total used space as shown by the numbers above (6tb + 3tb assumed to be parity = 9tb). Also, if I need to add another drive, this means I'm almost full at 6tb/14tb?! This is worst than MIRROR RAID...
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Oct 11, 2013
I've just been migrating data to my new Storage Space on Windows 8. I had to do this in stages because I had a limited number of disks available to me. I had 2x 2TB disks in a nas box, and wanted to move them to a new server, and also added 2 more 2TB disks. Due to the nas being quite full, I started with a 4-disk pool consisting of 2x 2TB and 2x 500GB disks, and made a parity space.
My process was as follows:
Create parity space with the 2x 2TB and 2x 500GB disks
Copy all data from one of the disks in the nas to the space.
Remove 1x 500GB disk
Allow the space to repair
Add 1x 2TB disk from the nas into the pool
Copy the contents of the other nas disk to the space
Remove the 500GB and add the 2TB
Allow space to repair
The space is thinly provisioned at 4.85 TB which is what the GUI defaults to when I create a new parity space using all 4 disks. (I don't actually create the additional storage space). This is also what I calculated it to be (1.81*4*2/3).
Now the end result is very uneven disk usage and a low capacity warning, despite having what I think is about 57% total utilisation!
Here is a link to a screenshot of the space's setup:
[URL]
1) why it thinks there is low capacity?
2) How can I rebalance/redistribute the data evenly over the 4 disks?
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Jun 30, 2014
I am setting up a new home PCServer and decided to use Win 8.1 since I needed to upgrade to at least Win 7 Professional to use Disk Mirroring. Now I find out Win 8.1 has Disk Mirroring (From Disk Management Console) and Storage Spaces.
My question is which one is better and faster. I just want to mirror two drives (RAID 1) to store my pictures so if one drive fails I have a copy. I'm not interested in expanding this or adding drives that Storage Spaces seems to support.
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Mar 11, 2014
I setup a parity storage pool with 2x500GB drives and x1 1TB drive then started transferring data, i noticed that they were getting full so added a 4TB drive and carried on transferring data however the x500GB drives are full and it will not let me transfer anymore data(currently about 2TB) the 4TB drive only says 18% full. Is there a configuration or command to move the data around the disks so they are all the same percentage eg 60% full? I have since tried moving data off the pool then transferring it back but I'm not sure its making any difference to the way the data is stored.
I have x1-500gb x2-1tb x3-2TB and x2-4TB drives with about 12TB of data i would like to store. Am i better off having multiple Pools with matching drives ?
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Apr 3, 2014
Windows 8: I have 4 drives assigned to a raid1 and a raid0 storage space. A power plug broke off of one of the drives. I ordered an exact replacement hdd pcb for that drive. It spins up, bios sees it, I'm 100% sure no damage was done to the data as the drive was off when the power plug was broken. windows sees it but storage spaces thinks it is a new drive. So spaces is still showing the raid0 offline and raid1 in lowered resiliency mode. I am assuming something on the logic board, maybe hdd serial# or guid or something is now different for the repaired drive.
In powershell if there is a way to tell storage spaces that the repaired drive is in fact the one that it thinks is offline?
Here is a powershell Get-PhysicalDisk:
FriendlyName CanPool OperationalStatus HealthStatus Usage Size
------------ ------- ----------------- ------------ ----- ----
SAMSUNG HD204UI ... False Lost Communication Warning Auto-Select 1.82 TB[code]....
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Jul 21, 2013
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 Controller Card (JMB36x). As soon as I create a pool using the 2TB drive I get the error "Incorrect Function" and the drive becomes RAW.
The drive id's are unique. It's worth pointing out that the system without the new controller can only support 2TB max of SATA drives, but this is bypassed by the controller card I added?
Get-PhysicalDisk | format-list FriendlyName, UniqueId, ObjectId, BusType
FriendlyName : PhysicalDisk0
UniqueId : 2039374232333633
ObjectId : {af665d5a-f225-11e2-be77-806e6f6e6963}
BusType : RAID
FriendlyName : PhysicalDisk1
UniqueId : IDEDiskST3160812AS_______________________________3.AJL_5&3dc7918&0&0.0.0:risa
ObjectId : {af665d5b-f225-11e2-be77-806e6f6e6963}
BusType : ATA
I'm also worried that the 2TB drive is showing up as RAID not SATA on the controller.
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Dec 16, 2012
Does windows 8 consumer version have "storage spaces" function?
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Oct 30, 2013
Have finished upgrading to Windows 8.1 and my RAID-5 ReFS volume has NOT yet been recognized. It was not available in "This PC" after the upgrade... and was still not available after using the ReFS registry hack. After applying the hack and restarting the computer, the only change was the System Reserved portion of my C drive became visible.
Under Administrative Tools> Computer Management> Disk Management, the drives in question are visible as a single RAID-5 volume but Status shows "failed", the file system entry is empty, and the drive letter is absent showing a red "x" icon.
Currently downloading the latest chipset, SATA AHCI, and graphics drivers for my mobo. Will update once those have been installed.
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Mar 29, 2014
I purchased a new Toshiba laptop with Win 8.1. On my old XP Dell, I was able to copy a 699MB folder of music MP3 files to a CD to play in my car. I've done it many times, and have 8 folders on my computer that I frequently copy to CDs for that purpose. In the past, I've copied 700 MB of files to a CD without difficulty, so I learned to maximize the number of files by storing the data in groups of 699 MB to avoid overloading a disk.
I tried to copy those folders to a CD using the new Win 8.1 machine, and have discovered that the CD capacity is only about 696 MB. I'm using the same CDs, and attempting to copy the same files. The only difference is the operating system and the new hardware. When I contacted Toshiba, the tech said Windows 8.1 stores files differently on CDs and the capacity is about 2MB less than on older machines.
Can this possibly be true?!? Is this a Windows 8.1 problem, or a hardware problem? Do I need to use my older XP computer to maximize the number of files I can store on a CD?
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Aug 25, 2014
As a student I had quite a lot of trouble with my previous laptop's battery. It had an autonomy of 4h in the beginning, but one day, while it still had 50%, it suddenly dropped to zero for some reason, and after that incident the battery has never exceeded 50% charge again. So I had to buy another one, but this one also dropped to 2h autonomy after some months, although it still showed 100% charge.
I now have a new laptop, an Asus T300LA, that I chose for its 8h autonomy. As I really wanted to take care of the battery, I searched on the internet how to deal with a li-ion, and learned that I had to drop the charge from 100% to 5% at first use, but should never let it go below 5% as it would permanently lose 20% of its capacity at once.But during the process I was too scared that the charge level shown by Windows would be false and while it would indicate 5% it would actually be less, so I plugged the laptop at 8%; and I was indeed right, as the battery level suddenly switched to 5% when I did so !
Basically I am fearing the infamous 20% battery damage occured without my knowing since the battery level indicated by Windows can't be trusted. The problem is, I don't know how to check it; with my previous laptop (Windows 7), on one battery the damage wasn't shown and it would still indicate 100% charge when filled, whereas on the other one the damage was clearly noticeable as the battery level would never indicate more than 50% even when filled up.
How can I verify if my battery is pristine or not ? If it indeed lost 20% of its capacity, should Windows 8 indicate a completely filled charge as 100% or 80% ?
Also, with maximum screen brightness Windows tells me this: "your current brightness setting might reduce battery life". What does it mean by "battery life" ? The current charge length or the whole time I can use the battery before it's good for junk ?
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Jun 22, 2014
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Feb 2, 2013
I recently installed a HD (WD25EZRX). it's been operating normally for about 2 days.
i was using my comp when i saw an alert that said something about a hard drive error and that my PC needed to be reset to fix it. so i reset the PC and saw another message saying something about restoring to a previous point. i wasn't really thinking and i clicked OK.
upon reset, i noticed the HD in question was now showing up as 1.36TB (it's a 2.5TB HD). it also has a bunch of files from another HD, which is odd.
i've used Error Checking under Tools of the HD's Properties, but the results showed no errors.
i'd like to regain the "lost" capacity w/o having to reformat my entire HD.
System Specs:
Win 8 Pro with Media Center
Intel Core i7-3770K CPU
Samsung 30nm DDR3 1600 RAM 16GB
ASROCK Extreme4 Z77 Motherboard
ATI Radeon HD4650
Samsung 840 Pro 128GB SSD (OS)
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Aug 11, 2014
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Aug 13, 2014
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Screeenshot of Document is attached ---
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Jan 12, 2013
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With storage pools, can I just have one copy of my music but hook up the two hard drives to the pc and use this "pools" thing?
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Jun 21, 2013
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Jun 2, 2013
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Win 8 pro x64 is on it's way, but wanted to know how to set up Storage Space. I have looked through the tutorials, but cannot figure out how to set my system up, if I have media in different spots.
Do I create 1 Storage Space and all 5 drives are in it then I just have to point to if from my other applications to get to the data? Do I create a storage space for each type of media (music, TV shows, Movies, etc.)? When I add a drive to a storage space, how do I get it to include the files within the storage space and not just use the "empty" drive space?
I am not looking for redundency protection, but to make my handling of data across all the drives easier (e.g. "Did I put my Futurama series on drive 1 or 2...Did South Park make it on to one drive or did I have to split it up?)
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I did Google this and checked the FAQs here: [URL] .....
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