Xfs partition Recovery, is it possible ?

How to use TestDisk to recover lost partition
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kwallander
Posts: 2
Joined: 17 Oct 2017, 13:50

Xfs partition Recovery, is it possible ?

#1 Post by kwallander » 17 Oct 2017, 13:57

Hi, I am trying to recover 10 partitions on a Virtual Drive of 60TB size. Basically Raid card failure resulted in all partitions being not seen.

Running testdisk-7.1 against the partition shows. Ideally all partitions should be XFS, I assume MS Data is the type shown by test disk.

Output shown below.

Code: Select all

Disk /dev/sdd - 60 TB / 54 TiB - CHS 7294668 255 63                                                                                                                                                                
Analyse cylinder 6930479/7294667: 95%                                                                                                                                                                              
                                                                                                                                                                                                                   
                                                                                                                                                                                                                   
Warning: number of heads/cylinder mismatches 2 (FAT) != 255 (HD)                                                                                                                                                   
Warning: number of sectors per track mismatches 18 (FAT) != 63 (HD)                                                                                                                                                
  EFI System               6809344    6812223       2880 [EFI System Partition] [EFISECTOR]                                                                                                                        
Warning: number of heads/cylinder mismatches 16 (NTFS) != 255 (HD)                                                                                                                                                 
Warning: number of sectors per track mismatches 2 (NTFS) != 63 (HD)                                                                                                                                                
  MS Data                  6813563    6819736       6174                                                                                                                                                           
Warning: number of heads/cylinder mismatches 16 (NTFS) != 255 (HD)                                                                                                                                                 
Warning: number of sectors per track mismatches 2 (NTFS) != 63 (HD)                                                                                                                                                
  MS Data                  6819736    6825909       6174 [Boot]                                                                                                                                                    
  Unknown                 25454318 285460292855533 285460267401216                                                                                                                                                 
  MS Data                188910976  193891327    4980352 [1.42.6-5644]                                                                                                                                             
  MS Data                195561888  327680415  132118528                                                                                                                                                           
  Unknown                330918301 33214047582775708 33214047251857408                                                                                                                                             
  MS Data                366212992 12084961151 11718748160                                                                                                                                                         
  MS Data               12085239840 13044803231  959563392                                                                                                                                                         
  MS Data               12155154145 13053257440  898103296                                                                                                                                                         
  MS Data               13053257440 13951360735  898103296                                                                                                                                                         
  MS Data               12128440726 14079402389 1950961664                                                                                                                                                         
  MS Data               14079402389 16030364052 1950961664                                                                                                                                                         
  Unknown               16085504854 663227587925 647142083072                                                                                                                                                      
  MS Data               16113281664 27832031871 11718750208                                                                                                                                                        
  Unknown               28005609445 28005609444          0 [ߪ]                                                                                                                                                     
                                                                                                                                                                                                                   
BgAA]                                                                                                                                                                                                              
  MS Data               28198242688 39916992895 11718750208                                                                                                                                                        
  MS Data               39916992896 51635743103 11718750208                                                                                                                                                        
  MS Data               51635745024 63354493183 11718748160                                                                                                                                                        
  Mac HFS               63402206080 67237757071 3835550992           
Anything I can do to recover the partitions ?

Regards
K

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cgrenier
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Re: Xfs partition Recovery, is it possible ?

#2 Post by cgrenier » 18 Oct 2017, 07:56

If you highlight the correct MS Data partition, you should see XFS filesystem at the last line at the bottom of the screen.
Please post the testdisk.log file instead if you need more help.

kwallander
Posts: 2
Joined: 17 Oct 2017, 13:50

Re: Xfs partition Recovery, is it possible ?

#3 Post by kwallander » 18 Oct 2017, 16:40

Hi,

Thanks for the reply, on one of the partitions I selected, I see this at the bottom of the screen

Code: Select all

Structure: Ok.  Use Up/Down Arrow keys to select partition.
Use Left/Right Arrow keys to CHANGE partition characteristics:
                P=Primary  D=Deleted
Keys A: add partition, L: load backup, T: change type,
     Enter: to continue
XFS 6.2+ - bitmap version, blocksize=4096, 6000 GB / 5587 GiB

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