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[Qemu-devel] [Bug 1639225] Re: qcow2 - filesize 8.1Petabyte
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From: |
minecraft7net |
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Subject: |
[Qemu-devel] [Bug 1639225] Re: qcow2 - filesize 8.1Petabyte |
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Date: |
Fri, 04 Nov 2016 18:14:52 -0000 |
# qemu-img convert -f qcow2 -O qcow2 vsys19_ssd1.qcow2 1.qcow2
qcow2: Image is corrupt: Data cluster offset 0x10001091b0400 unaligned (L2
offset: 0x1000e0000, L2 index: 0x90c); further non-fatal corruption events will
be suppressed
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https://bugs.launchpad.net/bugs/1639225
Title:
qcow2 - filesize 8.1Petabyte
Status in QEMU:
Incomplete
Bug description:
problem :
Filesystem Size Used Avail Use%
Mounted on
/dev/sdd1 120G 63G 57G 53%
/storage/kvmstorage4ssd
# pwd
/storage/kvmstorage4ssd/images
# qemu-img info vsys19_ssd1.qcow2
image: vsys19_ssd1.qcow2
file format: qcow2
virtual size: 20G (21474836480 bytes)
disk size: 11G
cluster_size: 65536
Format specific information:
compat: 1.1
lazy refcounts: true
refcount bits: 16
corrupt: true
# ls -lah vsys19_*
-rw------- 1 root root 8.1P Nov 4 13:16 vsys19_ssd1.qcow2
# ls -la vsys19_*
-rw------- 1 root root 9007203702079488 Nov 4 13:16 vsys19_ssd1.qcow2
# qemu-img check vsys19_ssd1.qcow2
qemu-img: Check failed: File too large
# xfs_repair /dev/sdd1
Phase 1 - find and verify superblock...
Phase 2 - using internal log
- zero log...
- scan filesystem freespace and inode maps...
- found root inode chunk
Phase 3 - for each AG...
- scan and clear agi unlinked lists...
- process known inodes and perform inode discovery...
- agno = 0
- agno = 1
- agno = 2
- agno = 3
- process newly discovered inodes...
Phase 4 - check for duplicate blocks...
- setting up duplicate extent list...
- check for inodes claiming duplicate blocks...
- agno = 0
- agno = 1
- agno = 2
- agno = 3
Phase 5 - rebuild AG headers and trees...
- reset superblock...
Phase 6 - check inode connectivity...
- resetting contents of realtime bitmap and summary inodes
- traversing filesystem ...
- traversal finished ...
- moving disconnected inodes to lost+found ...
Phase 7 - verify and correct link counts...
done
# pwd
/storage/kvmstorage4ssd/images
<disk type='file' device='disk'>
<driver name='qemu' type='qcow2'/>
<source file='/storage/kvmstorage4ssd/images/vsys19_ssd1.qcow2'/>
<target dev='vdn' bus='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x0f'
function='0x0'/>
</disk>
guest OS:
# uname -a
Linux vsys19 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt11-1 (2015-05-24) x86_64
GNU/Linux
cat /etc/debian_version
stretch/sid
Nov 4 01:23:26 vsys19 kernel: [7654313.024844] end_request: I/O error, dev
vdk, sector 8691272
Nov 4 01:23:26 vsys19 kernel: [7654313.025328] EXT4-fs warning (device
dm-1): ext4_end_bio:317: I/O error -5 writing to inode 262305 (offset 0 size
4202496 s
tarting block 1085897)
Nov 4 01:23:26 vsys19 kernel: [7654313.025334] Buffer I/O error on device
dm-1, logical block 1085897
Nov 4 01:23:26 vsys19 kernel: [7654313.025488] Buffer I/O error on device
dm-1, logical block 1085898
Nov 4 01:23:26 vsys19 kernel: [7654313.025632] Buffer I/O error on device
dm-1, logical block 1085899
Nov 4 01:23:26 vsys19 kernel: [7654313.025776] Buffer I/O error on device
dm-1, logical block 1085900
Nov 4 01:23:26 vsys19 kernel: [7654313.025920] Buffer I/O error on device
dm-1, logical block 1085901
Nov 4 01:23:26 vsys19 kernel: [7654313.026064] Buffer I/O error on device
dm-1, logical block 1085902
Nov 4 01:23:26 vsys19 kernel: [7654313.026207] Buffer I/O error on device
dm-1, logical block 1085903
Nov 4 01:23:26 vsys19 kernel: [7654313.026350] Buffer I/O error on device
dm-1, logical block 1085904
Nov 4 01:23:26 vsys19 kernel: [7654313.026500] Buffer I/O error on device
dm-1, logical block 1085905
Nov 4 01:23:26 vsys19 kernel: [7654313.028837] Buffer I/O error on device
dm-1, logical block 1085906
Nov 4 01:23:26 vsys19 kernel: [7654313.031122] end_request: I/O error, dev
vdk, sector 8692280
Nov 4 01:23:26 vsys19 kernel: [7654313.031325] EXT4-fs warning (device
dm-1): ext4_end_bio:317: I/O error -5 writing to inode 262305 (offset 0 size
4202496 starting block 1086023)
Nov 4 01:23:26 vsys19 kernel: [7654313.031388] end_request: I/O error, dev
vdk, sector 8693288
Nov 4 01:23:26 vsys19 kernel: [7654313.031527] EXT4-fs warning (device
dm-1): ext4_end_bio:317: I/O error -5 writing to inode 262305 (offset 0 size
4202496 starting block 1086149)
Nov 4 01:23:26 vsys19 kernel: [7654313.031598] end_request: I/O error, dev
vdk, sector 8694296
Nov 4 01:23:26 vsys19 kernel: [7654313.031736] EXT4-fs warning (device
dm-1): ext4_end_bio:317: I/O error -5 writing to inode 262305 (offset 0 size
4202496 starting block 1086275)
Nov 4 01:23:26 vsys19 kernel: [7654313.031798] end_request: I/O error, dev
vdk, sector 8695304
Nov 4 01:23:26 vsys19 kernel: [7654313.031933] EXT4-fs warning (device
dm-1): ext4_end_bio:317: I/O error -5 writing to inode 262305 (offset 0 size
4202496 starting block 1086401)
KVM host :
# cat /etc/debian_version
stretch/sid
Debian
# uname -a
Linux asus1 4.5.5-custom #1 SMP Sun May 22 21:14:57 CEST 2016 x86_64 GNU/Linux
# dpkg -l | grep -i qemu
ii ipxe-qemu 1.0.0+git-20150424.a25a16d-1 all
PXE boot firmware - ROM images for qemu
ii qemu 1:2.5+dfsg-5+b1
amd64 fast processor emulator
ii qemu-kvm 1:2.5+dfsg-5+b1
amd64 QEMU Full virtualization on x86 hardware
ii qemu-slof 20151103+dfsg-2 all
Slimline Open Firmware -- QEMU PowerPC version
ii qemu-system 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries
ii qemu-system-arm 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries (arm)
ii qemu-system-common 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries (common files)
ii qemu-system-mips 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries (mips)
ii qemu-system-misc 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries (miscelaneous)
ii qemu-system-ppc 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries (ppc)
ii qemu-system-sparc 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries (sparc)
ii qemu-system-x86 1:2.5+dfsg-5+b1
amd64 QEMU full system emulation binaries (x86)
ii qemu-user 1:2.5+dfsg-5+b1
amd64 QEMU user mode emulation binaries
ii qemu-user-binfmt 1:2.5+dfsg-5+b1
amd64 QEMU user mode binfmt registration for qemu-user
ii qemu-utils 1:2.5+dfsg-5+b1
amd64 QEMU utilities
ii qemubuilder 0.80
amd64 pbuilder using QEMU as backend
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