"All disks holding extents for a given volume must have the same sector size, and the sector size must be valid." for two 512b-sector disks

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  Hi Simon,
  
  I have done a test on my Windows Server 2008 R2 and have a same issue with you. The issue is not occurred on Windows Server 2012.
  
  Please refer to the thread below to troubleshoot the issue:
  
  Error - All disks holding extents for a given volume must have the same sector size, and the sector size must be valid.
  https://social.technet.microsoft.com/Forums/windowsserver/en-US/dc113f43-61d9-4929-afe9-fe3536ea937d/error-all-disks-holding-extents-for-a-given-volume-must-have-the-same-sector-size-and-the-sector?forum=winserverfiles
  
  Best Regards,
  
  Mandy 

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  Tuesday, October 28, 2014 8:26 AM
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  Hi Mandy

  Thanks for your reply.

  Can you reproduce the issue with the preview?

  I'm not sure how the troubleshooting thread applies here:

  1. First, that thread also states that people think this behavior is a bug. So maybe it actually is something MSFT engineers should look into?
  2. The mirroring works in principle. I CAN CREATE MIRRORED PARTITIONS *if* I create a new one, starting from disk 0. So it CANNOT be an alignment/sector size issue. Right?

  Cheers,
  Simon

  Tuesday, October 28, 2014 1:03 PM
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  I just reinstalled the preview, onto disk 0. Now I have the same problem, but in the opposite direction:

  • Creating mirrored volumes, starting form disk 1, works.
  • Adding mirrors to volumes on disk 0, or creating volumes, starting from disk 0, does not work.

  

  This looks really buggy.

  Simon

  Wednesday, November 5, 2014 4:38 PM
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  Hi Simon,
  
  I have done a test on the preview and the issue doesn’t reproduce on the preview. Based on my research, I found that the issue could due to the "Bytes Per Physical Sector".  On my Windows Server 2008 R2 the "Bytes Per Physical Sector" of drives display "Not Supported". Please run the command "fsutil fsinfo ntfsinfo drive_letter" to check if the "Bytes Per Physical Sector" mismatch.
  
  You could try to use different disks to test if the issue is due to disk architecture. For a workaround, you could backup the data, format both disks and then try to create a mirror using empty disks.
  
  For more detailed information, please refer to the thread below:
  
  Error Adding Mirror to Boot Volume - Sector Size?
  http://answers.microsoft.com/en-us/windows/forum/windows_7-hardware/error-adding-mirror-to-boot-volume-sector-size/f5729d4c-629b-4978-9de4-faae382060c4?page=3
  
  Best Regards,
  
  Mandy 

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  Thursday, November 6, 2014 6:21 AM
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  Hi Mandy

  It feels as if you didn't read the OP. As the title already states, both disks are 512b-sector disks. And as you can see clearly in the second screenshot, creating mirrored partitions *IS* possible. So that's not it.

  Cheers,
  Simon

  Thursday, November 6, 2014 11:04 AM