Gparted looks like this:
Thing is, I'm not sure if the volume was formatted and now it's blank or if the LVM Volume is just damaged.
Any way to tell?
I'm trying to proceed in the safest way possible, ultimately I'd like to repair the LVM, but would settle for a file recovery.
So here's how far I've gone in testdisk...
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TestDisk 7.0, Data Recovery Utility, April 2015
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
TestDisk is free software, and
comes with ABSOLUTELY NO WARRANTY.
Select a media (use Arrow keys, then press Enter):
Disk /dev/sda - 8000 GB / 7451 GiB - DELL PERC H330 Mini
>Disk /dev/sdb - 3839 GB / 3575 GiB - DELL PERC H330 Mini
Disk /dev/sdc - 536 GB / 500 GiB - General UDisk
Disk /dev/mapper/VG_XenStorage--48ad482d--31de--bfeb--dbba--2fab3fbe8892-MGT -
Disk /dev/mapper/VG_XenStorage--48ad482d--31de--bfeb--dbba--2fab3fbe8892-VHD--0
Disk /dev/mapper/VG_XenStorage--48ad482d--31de--bfeb--dbba--2fab3fbe8892-VHD--0
Disk /dev/mapper/VG_XenStorage--48ad482d--31de--bfeb--dbba--2fab3fbe8892-VHD--0
Disk /dev/mapper/VG_XenStorage--48ad482d--31de--bfeb--dbba--2fab3fbe8892-VHD--0
Disk /dev/mapper/VG_XenStorage--48ad482d--31de--bfeb--dbba--2fab3fbe8892-VHD--1
Disk /dev/mapper/VG_XenStorage--48ad482d--31de--bfeb--dbba--2fab3fbe8892-VHD--1
>[Previous] [ Next ] [Proceed ] [ Quit ]
Note: Disk capacity must be correctly detected for a successful recovery.
If a disk listed above has incorrect size, check HD jumper settings, BIOS
detection, and install the latest OS patches and disk drivers.
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estDisk 7.0, Data Recovery Utility, April 2015
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
Disk /dev/sdb - 3839 GB / 3575 GiB - DELL PERC H330 Mini
Please select the partition table type, press Enter when done.
[Intel ] Intel/PC partition
>[EFI GPT] EFI GPT partition map (Mac i386, some x86_64...)
[Humax ] Humax partition table
[Mac ] Apple partition map
[None ] Non partitioned media
[Sun ] Sun Solaris partition
[XBox ] XBox partition
[Return ] Return to disk selection
Hint: EFI GPT partition table type has been detected.
Note: Do NOT select 'None' for media with only a single partition. It's very
rare for a disk to be 'Non-partitioned'.
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TestDisk 7.0, Data Recovery Utility, April 2015
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
Disk /dev/sdb - 3839 GB / 3575 GiB - DELL PERC H330 Mini
CHS 466784 255 63 - sector size=512
>[ Analyse ] Analyse current partition structure and search for lost partitions
[ Advanced ] Filesystem Utils
[ Geometry ] Change disk geometry
[ Options ] Modify options
[ Quit ] Return to disk selection
Note: Correct disk geometry is required for a successful recovery. 'Analyse'
process may give some warnings if it thinks the logical geometry is mismatched.
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TestDisk 7.0, Data Recovery Utility, April 2015
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
Disk /dev/sdb - 3839 GB / 3575 GiB - CHS 466784 255 63
Current partition structure:
Partition Start End Size in sectors
1 P MS Data 2048 8388641 8386594 [root-dxovkaup]
No FAT, NTFS, ext2, JFS, Reiser, cramfs or XFS marker
2 P MS Data 8390656 16777249 8386594
2 P MS Data 8390656 16777249 8386594
No LVM or LVM2 structure
3 P Linux LVM 16779264 7498891230 7482111967 [Linux LVM]
3 P Linux LVM 16779264 7498891230 7482111967 [Linux LVM]
P=Primary D=Deleted
>[Quick Search] [ Backup ]
Try to locate partition
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TestDisk 7.0, Data Recovery Utility, April 2015
Christophe GRENIER <grenier@cgsecurity.org>
http://www.cgsecurity.org
Disk /dev/sdb - 3839 GB / 3575 GiB - CHS 466784 255 63
Partition Start End Size in sectors
>P MS Data 2048 8388639 8386592 [root-dxovkaup]
D MS Data 28244664 101436087 73191424
D MS Data 66893545 140084968 73191424
D MS Data 140084968 213276391 73191424
P Mac HFS 406206199 431375609 25169411 [D^B]
P Mac HFS 472655021 497824431 25169411 [D^_]
P Mac HFS 540520729 565690139 25169411 [D^\]
D MS Data 606316969 679508392 73191424
D MS Data 679508392 752699815 73191424
D MS Data 758992961 832184384 73191424
D MS Data 832184384 905375807 73191424
P Mac HFS 1077146704 1086321806 9175103
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, P: list files,
Enter: to continue
ext3 blocksize=4096 Large_file Sparse_SB, 4293 MB / 4095 MiB