[Qemu-block] qemu image corrupted, can not repair

[Bilhan Karaoren (Garanti Teknoloji)]

Hi,

I experience a corrupted qcow2 image.

 

qemu-img info /dev/0d0496cf-3ff3-4c37-9314-77f2243b4efa/b363f461-dbf2-4daa-950b-f6f1d89cd0f2

image: /dev/0d0496cf-3ff3-4c37-9314-77f2243b4efa/b363f461-dbf2-4daa-950b-f6f1d89cd0f2

file format: qcow2

virtual size: 500G (536870912000 bytes)

disk size: 0

cluster_size: 65536

Format specific information:

    compat: 1.1

    lazy refcounts: false

    refcount bits: 16

    corrupt: true

 

It exist with the following information.

 

qemu-img check -r all /dev/0d0496cf-3ff3-4c37-9314-77f2243b4efa/b363f461-dbf2-4daa-950b-f6f1d89cd0f2

tcmalloc: large alloc 560532619264 bytes == 0x5558971ba000 @  0x7f2b9c015bf3 0x7f2b9c037488 0x7f2b9bb39c56 0x5558947f06d1 0x5558947f2ca3 0x5558947f2e0d 0x5558947f325d 0x5558947f3c16 0x5558947ec151 0x5558947c53ab 0x5558947c75bb 0x5558947c0019 0x7f2b9a194c05 0x5558947c071c

ERROR l2_offset=41412c70726e00: Table is not cluster aligned; L1 entry corrupted

tcmalloc: large alloc 836894392320 bytes == 0x55db3a01a000 @  0x7f2b9c015bf3 0x7f2b9c037488 0x7f2b9bb39c56 0x5558947f06d1 0x5558947f2ca3 0x5558947f2e0d 0x5558947f325d 0x5558947f3c16 0x5558947ec151 0x5558947c53ab 0x5558947c75bb 0x5558947c0019 0x7f2b9a194c05 0x5558947c071c

ERROR l2_offset=616d652c6e6c00: Table is not cluster aligned; L1 entry corrupted

ERROR l2_offset=a4141412c6200: Table is not cluster aligned; L1 entry corrupted

tcmalloc: large alloc 1046117990400 bytes == 0x569e454ca000 @  0x7f2b9c015bf3 0x7f2b9c0374cc 0x7f2b9bb39c56 0x5558947f06d1 0x5558947f2ca3 0x5558947f2e0d 0x5558947f325d 0x5558947f3c16 0x5558947ec151 0x5558947c53ab 0x5558947c75bb 0x5558947c0019 0x7f2b9a194c05 0x5558947c071c

ERROR l2_offset=6d616e642c6e00: Table is not cluster aligned; L1 entry corrupted

 

ERROR cluster 525682632547 refcount=0 reference=1

Rebuilding refcount structure

ERROR writing refblock: No space left on device

 

qemu-img: Check failed: No space left on device

 

Is there any way to recover this image?

 

#lvdisplay /dev/0d0496cf-3ff3-4c37-9314-77f2243b4efa/b363f461-dbf2-4daa-950b-f6f1d89cd0f2

  --- Logical volume ---

  LV Path                /dev/0d0496cf-3ff3-4c37-9314-77f2243b4efa/b363f461-dbf2-4daa-950b-f6f1d89cd0f2

  LV Name                b363f461-dbf2-4daa-950b-f6f1d89cd0f2

  VG Name                0d0496cf-3ff3-4c37-9314-77f2243b4efa

  LV UUID                Qvm9qy-pO1o-oUS7-dzLz-xbU5-Mq0Y-CRgTD8

  LV Write Access        read/write

  LV Creation host, time gbrhvt04, 2018-04-25 16:36:08 +0300

  LV Status              available

  # open                 0

  LV Size                36.00 GiB

  Current LE             288

  Segments               4

  Allocation             inherit

  Read ahead sectors     auto

  - currently set to     8192

  Block device           253:30

 

Regards,

Bilhan.

Bu mesaj ve ekleri, mesajda gonderildigi belirtilen kisi/kisilere ozeldir ve gizlidir. Bu mesajin muhatabi olmamaniza ragmen tarafiniza ulasmis olmasi halinde mesaj iceriginin gizliligi ve bu gizlilik yukumlulugune uyulmasi zorunlulugu tarafiniz icin de soz konusudur. Mesaj ve eklerinde yer alan bilgilerin dogrulugu ve guncelligi konusunda gonderenin ya da sirketimizin herhangi bir sorumlulugu bulunmamaktadir. Sirketimiz mesajin ve bilgilerinin size degisiklige ugrayarak veya gec ulasmasindan, butunlugunun ve gizliliginin korunamamasindan, virus icermesinden ve bilgisayar sisteminize verebilecegi herhangi bir zarardan sorumlu tutulamaz.

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qemu-repair-output.zip
Description: qemu-repair-output.zip