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Just upgraded my home server from WHS 1 to WHS 2011 and installed Drivepool and Scanner. I have 3 x 2TB drives and a portion of the system drive configured as a drive pool. All disks are formatted as NTFS. I've configured all of the server's shared folders to live on the Drivepool. I'm able to transfer files of any size from a Windows 8.1 client to the server but when I attempt to copy a file from a MacPro (running OSX Yosemite) I get the following error message: The item “XXXX” can’t be copied because it is too large for the volume's format I've seen this message before when using FAT formatted USB disks but not with a network share. Any ideas?

Due to how StableBit DrivePool and certain software works, there are some known limitations. Stable Release: 2.2.3.1019 Public Beta Release: N/A VSS Support. This includes anything that strictly requires VSS support to work. This includes (but is not limited to): Windows Backup You can back up the pooled drives, but not the pool directly. Windows Server Backup You can back up the pooled drives, but not the pool directly. Previous Versions System Restore Dynamic Disks. Because of the added complexity of Dynamic disk, we don't support them being added to a pool. Specifically, we take into account the physical disk when determining where duplicates reside, and that adds a lot more complexity and overhead when you start dealing with Dynamic Disks due to the complex arrays that you can create with them. Plex Media Server's database. This database relies on hard linking files together, instead of using the database to point to the same file for redundant files. Because we don't support hard links on the Pool, you may notice missing images in Plex if the database is being stored on the pool. OneDrive for Windows 8.X. Windows 8 uses a new type of file system link to link the files to the cloud (and locally), in a seamless way. Unfortunately, we don't support this file system link only the pool current. USN Journaling . This may affect how certain apps detect changes on the pool. NOTE: Issues with "Change notifications" has been resolved in the beta builds (2.2.0.651 and up). This affects apps like DropBox. Antivirus Scanners. This is a broad generalization. But due to how they work, they can adversely affect the pool and it's performance, and can even cause some pretty bad behavior (eg, locking the system up). If you suspect that this is the case, version 2.2 and up has the option to disable the "bypass file system filters" feature (located in "Performance", under Pool Options), which may fix this. Otherwise, we recommend completely uninstalling any antivirus program that you suspect is causing issues (disabling isn't enough as the real time scanner is actually still active). Data Deduplication. This mainly applies to the Windows Server role, rather than 3rd party software. This feature works by identifying identical blocks of data. It converts the files into a special kind of reparse point, and carves out the duplicate data. This duplicate data is placed into the "System Volume Information" folder (and may be handled as part of VSS). When you access the data, a file system filter splices the data back together. While not officially supported, it should work on the underlying disks. The public beta build (2.2.0.651 and up) add some handling for Deduplication, so that the data is detected "intact". Deduplication is NOT supported on the pool, and because it appears to use the same data structure as VSS, it may never be supported. TrueCrypt/VeraCrypt. This software bypasses the normal disk API, meaning that it does not show up for StableBit DrivePool, and cannot be used. ReFS. At this time, full support does not exist. By "Full support", we mean registering the Pool drive as ReFS instead of NTFS, integrity stream support, and potentially additional handling for ReFS (such as checking integrity streams, and reduplicating files for "bad" files). It should be noted that ReFS only enables integrity streams for drive metadata. If you want to enable it for all files, you need to run "Set-FileIntegrity X:\ -enable $true" from a powershell prompt Long File Paths. StableBit DrivePool doesn't have a problem with log paths, and actually supports long paths (up to 64k character paths, I believe). Explorer, however uses win32 API and does not support long paths. There is, however an issue where file names (not paths) longer than 200 characters cause issues. This is resolved in 2.2.0.684. Pool is Removable. This is default behavior, but causes issues with some software, and may be a problem for some people. The Public Beta build (2.2.0.651) disables this behavior by default, and introduces an advanced setting that can be used to toggle the setting. Files not showing up in directory list. If you are experiencing this issue, then the issue may be network related. By default, Windows caches network information, such as directory searches. This can cache the incomplete list. In this case, the fix is a simple registry tweak: http://wiki.covecube.com/StableBit_DrivePool_Q7420208 This will increase network usage slightly, but should not adversely affect the network. Cannot add VHD(X) based disks to the pool. Errors out when trying to add a drive that is a mounted VHD(X) file to the pool. Error or long delay when renaming folders on the network. This applies to Windows 10 Anniversary update (version 1607) as the client, and Windows Server 2012R2, Windows 8.1 and up as the share server. There is an issue when the share has been indexed locally on the server by Windows Search. This is NOT a StableBit DrivePool bug, but a bug with Microsoft code. For now, the solution is to disable the Windows Search service. However, if you're using Windows Server Essentials, this will adversely affect the built int streaming options, as well as the file list for the Remote Access Website. Microsoft KB Article: https://support.microsoft.com/en-us/kb/3198614 You can "fix" this issue here: Q542215 Cumulative update that addresses this issue is available here: Link Microsoft Store Apps have issues with the pool. This is most likely due to some feature not supported by the Pool. In particular, VSS, USN Journaling, or some other file system command/check. Windows Subsystem for Linux. The file system commands cause issues when navigating the pool. This applies to both v1 and v2 of WSL. This list is by no means comprehensive, and it's contents may change as these issues are investigated. Internal Beta builds can be found here: http://dl.covecube.com/DrivePoolWindows/beta/download/ The latest, safe build is 2.2.3.1019 Full change log can be found here: changes.txt Don't download the latest build unless instructed to, especially if it's not a listed numbered build in the change log, as these are interim development builds and may not be stable.

I'm currently looking to install Drivepool on my Windows 8.1 headless server. This is mainly used for media (TV, movies, music), photos (which are also replicated to Google Drive), user files (direct to server), as well as backups from one other windows machine. I currently have my media spread across two disks 1 x 2tb and 1 x 1.5tb. These are pretty much full. I've purchased 2 x 3tb drives to provide for some redundancy as well as future headroom. I have a few questions before I jump in and start. 1 - Is there any need to re-organise the data on the disks before pooling them. For example currently on one disk there are movies and the other TV shows. Is there any benefit to bringing these onto as single 3tb disk or should I just leave them as they are? 2 - One the drive are pooled and new files are added are they just scattered anywhere on the disks in the pool - so for example if you pulled out the disks (say because of a machine failure) and you put them into another machine would you then see (say movies) across any of the 4 drives under Windows Explorer. 3 - I use SabNzb, Sickbeard & Plex for all of my video downloads and management - when configuring when using Drivepool do I just use the Drive and Folder structure in Drivepool? Sorry if some of these questions are a bit basic - I'm just trying to get my head around the concept of pooling from a simple practical perspective.

Hi, I am trying to pool 2 x 1.5TB drives into a single 2.xTB partition on Windows 7. I have converted the two disks to GPT disks for starters (to get around the 2TB limit the resultant DrivePool drive will be greater than). I then formatted the two disks as NTFS partitions and then added them to a new pool in DrivePool and I get a 2.72TB partition like I want (which I alloated to Z:). FYI both disks are plugged into a USB dual-bay hard drive dock (so dynamic volumes aren’t an option for me as I’m sure many would know). I already use TrueCrypt, however I cannot get the DrivePool-created drive (Z:) to be encrypted in TrueCrypt. I have tried the following: 1) Created the DrivePool as drive Z:. It is mounted in the o/s like a normal drive. In TrueCrypt: 2) Selected "Tools" -> "Volume creation wizard" 3) "Encrypt a non-system partition drive" 4) "Standard TrueCrypt volume" 5) "Select device" -> "Z:" 6) "Encrypt partition in place", click "next" and get "Incorrect function" dialog, I click "OK", then I receive an error about the disk being damaged: http://stablebit.com/Content/UploadedAssets/Images/f314147d-53eb-435c-92a5-6a2b464372c0.jpg I click "OK" and another error about not being able to access the volume appears: http://stablebit.com/Content/UploadedAssets/Images/bbb6614c-51f8-4602-be3f-6ccf15f018b7.jpg So, instead of “Encrypt partition in place”, I chose “Create encrypted volume and format it”, “Aes” (default), default size, enter password, “Yes” to files over 4gb (Default=no), shows it’s selected “NTFS”, move the mouse around, click “Format”, click ”Yes” to proceed, a second or two later I get an error telling me it can't dismount the partition: http://stablebit.com/Content/UploadedAssets/Images/5b7ff999-63e0-4f9f-97fe-b16f2c53f41b.jpg I click “OK and then I receive and I get a final error saying it finally failed to create a volume: http://stablebit.com/Content/UploadedAssets/Images/76ec2bb0-3384-450b-85a2-bec383328970.jpg And I click “Cancel” to abort and that's where I am at. Can anyone tell me what needs to be done to get the encryption working? Thanks for any assistance anyone can offer.

Hello all, Drivepool user here, just trying from yesterday and loving it! But i've found a problem that's a deal breaker for me: i'm using Hyper-V on Server 2012 R2; if i create a VHD on the volume that is created by drivepool i get this same error no matter i do. Has anybody found this error and has a solution for it? Thanks all.

I have a Surface Pro and I have a Drivepool set up with two external USB drives. I have attached those drives via the docking station. I don't dismount drive or anything when I disconnect the Surface. Will this cause me problems or should it work that way?

I have stablebit scanner installed, along with server smart to evaluate hard drive health. Drive pool is also installed, and there are 3 hard drives in my pool. I mapped 2 of the DrivePool folders to my workstations, and use those folders all the time (one holds all my photos, the other holds all my videos). The other day I received a warning on the dashboard along with an email about one of the drives parking too many times which indicates a possible failure. This warning was only send from Scanner, not from server smart, so I looked into it and the drive seemed to be OK as far as performance, I thought maybe this Scanner is just a little too sensitive to some sort of reading because server smart had all check marks and did not show anything wrong with the drive. Needless to say, the drive failed about a month later. Not only did the one product prove to be a great value (Scanner), but the second product saved my data due to me not listening to Scanner’s warnings. Drive pool showed the drive as missing after it failed, I chose the remove drive option, and suffered no loss of any data. The remaining 2 drives balanced out and all is good. I just wanted to post this little story and to thank the team that has created and continues to support these products. I also feel that this post will help others decide to put faith into the product and have some piece of mind that their data is safe with proper use of the software. Thank YOU!