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    So I've got a WHS with 4 USB drives. I have onboard USB and a usb pci controller card. I have 2 plugged into onboard, and 2 plugged into the controller.

    My Disk Management console looks like this.

    The two disks listed at the top, Unknown and Disk 2, are the SAME DISK.  Sometimes if I can unplug/replug/reboot enough it will come back and register as the missing disk, but then as soon as I have to reboot or anything it will probably go out again. Despite the 0% listed on Disk 2, it does have about 750GB of WHS data stored on it.

    My WHS is an old Dell. It has zero (0) SATA ports and zero (0) firewire ports. It also has one (1) internal drive bay which is being used by the system drive.

    Here is some extra information that may help. My Device Manager USB Controllers

    Detailed info (in order of above screenshot) of drives from Disk Manager Plugin

     

    Name    PI-192 SATA/USB20 Drive USB Device      
Physical Disk   -1      
Serial Number   Unknown 
GUID    8682f85b-0000-0000-0000-000000000000    
Role    StorageDisk     
Status  Missing 
Failure Predicted       False   
Temperature     Not supported   
Contains Backups        False   
Capacity        931 GB  
Used Space      Unknown 
Shadow Copy Size        Unknown 
Free Space      Unknown 
Connected       False   
Interface       Unknown 
Controller      Unknown 
Path    Unknown 
External        True    

Name    PI-192 SATA/USB20 Drive USB Device      
Physical Disk   2       
Serial Number   Unknown 
GUID    7b2ca72f-ad0a-4341-ba76-6ac4da96e0a8    
Role    NewDisk 
Status  Not Added       
Failure Predicted       False   
Temperature     Not supported   
Contains Backups        False   
Capacity        931 GB  
Used Space      0 GB    
Shadow Copy Size        0 GB    
Free Space      0 GB    
Connected       True    
Interface       USB     
Controller      Intel(R) 82801DB/DBM USB 2.0 Enhanced Host Controller - 24CD (7b2ca72f) 
Path    External        
External        True    

Name    PI-192 SATA/USB20 Drive USB Device      
Physical Disk   1       
Serial Number   Unknown 
GUID    ff41b232-314a-4edb-842b-33448abf13cb    
Role    StorageDisk     
Status  Healthy 
Failure Predicted       False   
Temperature     Not supported   
Contains Backups        False   
Capacity        1397 GB 
Used Space      1380 GB 
Shadow Copy Size        0 GB    
Free Space      16 GB   
Connected       True    
Interface       USB     
Controller      Intel(R) 82801DB/DBM USB 2.0 Enhanced Host Controller - 24CD (ff41b232) 
Path    External        
External        True    

Name    PI-192 SATA/USB20 Drive USB Device      
Physical Disk   3       
Serial Number   Unknown 
GUID    568bb102-0000-0000-0000-000000000000    
Role    StorageDisk     
Status  Healthy 
Failure Predicted       False   
Temperature     Not supported   
Contains Backups        False   
Capacity        931 GB  
Used Space      914 GB  
Shadow Copy Size        0 GB    
Free Space      16 GB   
Connected       True    
Interface       USB     
Controller      NEC PCI to USB Enhanced Host Controller (B1) (568bb102) 
Path    External        
External        True    

Name    PI-192 SATA/USB20 Drive USB Device      
Physical Disk   4       
Serial Number   Unknown 
GUID    11bf40d5-0000-0000-0000-000000000000    
Role    StorageDisk     
Status  Healthy 
Failure Predicted       False   
Temperature     Not supported   
Contains Backups        False   
Capacity        931 GB  
Used Space      915 GB  
Shadow Copy Size        0 GB    
Free Space      15 GB   
Connected       True    
Interface       USB     
Controller      NEC PCI to USB Enhanced Host Controller (B1) (11bf40d5) 
Path    External        
External        True

    I found a post about this from 2008 , but I have 750GB of data on this offending drive and I can only follow that solution so many times before giving up.

    Thanks in advance!

    Thursday, April 8, 2010 10:15 PM

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    Can you plug the disk into a client PC and look at it using Disk Manager.  Might be a good idea to clean all the partitions off it while you are there.

    What is the make and model of the USB Drive?

    (p.s. didn't mean to propose this as the answer).

     

    --

    • Proposed as answer by Al West Thursday, April 8, 2010 11:52 PM
    • Unproposed as answer by kariya21Moderator Friday, April 9, 2010 1:16 AM
    Thursday, April 8, 2010 11:51 PM
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    To be honest, I think there's something going on with the drive, or with the bridge electronics in the enclosure. I would go out tomorrow and buy a new external drive, from a different manufacturer. I would then:

    • disconnect the one causing the problems,
    • remove it (using the console),
    • add the new drive to the storage pool,
    • connect the old drive to some other computer,
    • copy everything I found on that drive under <driveletter>:\DE\Shares to the server shares,
    • if removing the drive resulted in a warning that you would lose backups, use the Repair button in the console, followed by a backup cleanup.
    I'm not on the WHS team, I just post a lot. :)
    • Marked as answer by Stucco87342 Saturday, April 10, 2010 1:46 AM
    • Marked as answer by Stucco87342 Saturday, April 10, 2010 1:47 AM
    • Unmarked as answer by Stucco87342 Monday, April 19, 2010 3:17 PM
    Friday, April 9, 2010 3:57 AM
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    @Al West

    I can plug the drive into another computer and it spins up and is accessible fine.  I will check it out in Disk Manager when I get home.  The make and model is a Western Digital Caviar Green WD10EADS 1TB or a Western Digital Caviar Black 1TB drive in an macally T-S350SU 3.5" USB & eSATA External Enclosure .  Two of the 1TBs I have hooked up are Green and the other one is Black.  I'm not sure which this is but I can check when I get home.

    Friday, April 9, 2010 2:42 PM
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    @Ken Warren

    I'll give this a shot tonight.  First I'll swap out the enclosure though because I have a spare.  As you can see I don't have the room to do it without adding another drive, so I'll plug in my new 2TB Western Digital Caviar Green (Yes as another USB drive) after removing the failing drive but before trying to copy everything over to the server. It'll take quite a while to copy both ways so I'll respond but it'll be a day or two.

    Thanks!

    Friday, April 9, 2010 2:46 PM
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    @Ken Warren

    I placed the offending drive in a different enclosure and turned it back on.  It was immediately recognized.  I rebooted to get rid of file conflicts and it came up great.  Hasn't had the problem since.  Crossing fingers.  If it works for a week I'll RMA the enclosure.

     

    Thanks Ken!!!!!

    • Marked as answer by Stucco87342 Saturday, April 10, 2010 1:49 AM
    • Unmarked as answer by Stucco87342 Monday, April 19, 2010 3:17 PM
    Saturday, April 10, 2010 1:48 AM
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    Rats.  Drive failed again today.  Enclosure is not the problem.  Now I'm guessing it's the drive itself.  I'll go ahead and copy everything off, remove it from the array, plug in and add my new drive to the array, and copy everything over the network.  If that doesn't work I'll be buying parts to go internal instead of USB.

    I wonder if I should get a firewire PCI card and if that would help the situation, getting that drive off the USB controller.

    Monday, April 19, 2010 3:16 PM
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    I would like to replace my failing 1TB drive with a new, empty, 2TB drive, but it is difficult to do because of the amount of storage on it (full drive).  What I am trying (and it may fail miserably) is...

    1) Plug in 2TB drive to WHS as an external and format it with WHS

    2) Plug both failing 1TB and WHS formatted 2TB into an alternate PC

    3) Copy D:\DE\shares folder from 1TB drive to 2TB drive

    4) Plug 2TB back into WHS.

    I am not copying over the D:\DE\folders or D:\DE\DEguid.txt, just the shares.

    Now bear in mind that this drive contains a lot of data, and I am guessing a lot of 'replicated' data.

    Monday, April 19, 2010 11:54 PM
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    Cloning isn't supported, and your procedure will not work as you think it should, since you won't be duplicating all the information Windows Home Server uses to identify a drive. Instead:

    • Unplug the failing drive.
    • Plug in the new drive.
    • Add the new drive to the storage pool.
    • Remove the old (missing) drive from the storage pool. Accept warnings about loss of files or backups if displayed.
    If you were warned about losing files:
    • Connect the old drive to some other computer.
    • Copy from <drive>:\DE\Shares\etc. to your server's shares. You may not recover all files; it will depend on what was wrong with your drive.

    If you were warned about losing backups:

    • Use the repair function in the console to repair the database.
    • Then use the cleanup function to clean up the database.
    I'm not on the WHS team, I just post a lot. :)
    Tuesday, April 20, 2010 3:50 AM
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