qemu-img fails to read a disk2vhd (VHD) image created from a Windows Server
2003.
qemu-img will read and convert a VDI image created from that VHD
VHD header/footer details:
[root@T3400 ]# qemu-img info vhd/p.vhd
qemu-img: Could not open 'vhd/p.vhd': File too large
[root@T3400 ]# ./vhddump -vv -s vhd/p.vhd
Positioning descriptor to VHD footer...
Reading VHD footer...
------------------------
VHD Footer (512 bytes)
------------------------
Cookie = conectix
Features = 0x00000002
File Format Version = 0x00010000
Data Offset = 0x0000000000000200
Time Stamp = 0x1893342A
Creator Application = 0x64327600
Creator Version = 0x00010000
Creator Host OS = 0x5769326B
Original Size = 0x000000222E6F4000
= 140006 MB + 976 KiB
Current Size = 0x000000222E6F4000
= 140006 MB + 976 KiB
Disk Geometry = 0xFFFF10FF
Cylinders = 65535
Heads = 16
Sectors/Track = 255
Disk Type = 0x00000003
= Dynamic hard disk
Checksum = 0xFFFFEDD8
Unique ID = 765e24b9-1e33-594a-864e-f39aea210f24
Saved State = 0x00
Reserved = <...427 bytes...>
===============================================
Detecting disk type...
Dynamic hard disk detected.
Positioning descriptor to read VHD footer copy...
Reading VHD footer copy...
------------------------
VHD Footer (512 bytes)
------------------------
Cookie = conectix
Features = 0x00000002
File Format Version = 0x00010000
Data Offset = 0x0000000000000200
Time Stamp = 0x1893342A
Creator Application = 0x64327600
Creator Version = 0x00010000
Creator Host OS = 0x5769326B
Original Size = 0x000000222E6F4000
= 140006 MB + 976 KiB
Current Size = 0x000000222E6F4000
= 140006 MB + 976 KiB
Disk Geometry = 0xFFFF10FF
Cylinders = 65535
Heads = 16
Sectors/Track = 255
Disk Type = 0x00000003
= Dynamic hard disk
Checksum = 0xFFFFEDD8
Unique ID = 765e24b9-1e33-594a-864e-f39aea210f24
Saved State = 0x00
Reserved = <...427 bytes...>
===============================================
Reading VHD dynamic disk header...
--------------------------------------
VHD Dynamic Disk Header (1024 bytes)
--------------------------------------
Cookie = cxsparse
Data Offset = 0xFFFFFFFFFFFFFFFF
Table Offset = 0x0000000000000600
Header Version = 0x00010000
Max Table Entries = 0x00011174
Block Size = 0x00200000
Checksum = 0xFFFFF3F1
Parent UUID = 00000000-0000-0000-0000-000000000000
Parent TS = 0x00000000
0 (10)
Reserved = <...4 bytes...>
Parent Unicode Name = <...512 bytes...>
Parent Loc Entry 1 = <...24 bytes...>
Parent Loc Entry 2 = <...24 bytes...>
Parent Loc Entry 3 = <...24 bytes...>
Parent Loc Entry 4 = <...24 bytes...>
Parent Loc Entry 5 = <...24 bytes...>
Parent Loc Entry 6 = <...24 bytes...>
Parent Loc Entry 7 = <...24 bytes...>
Parent Loc Entry 8 = <...24 bytes...>
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https://bugs.launchpad.net/bugs/893956
Title:
qemu-img bug with dynamic vhd
Status in QEMU:
New
Bug description:
Hye, i found a problem with qemu-img when trying to get info of a
dynamic vhd. I made imgae of my 60GB computer hard drive with
disk2vhd. The dynamic vhd is 21gb size.
With 1.0-rc3 version :
running command: qemu-img info 60_GB.VHD
qemu-img: Could not open '60_GB.VHD' : File too large
0.14.1 version give me wrong information :
image: 60_GB.VHD
file format: vpc
virtual size: 127G (136899993600 bytes)
disk size: 21G
Thanks for reply.
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