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[Qemu-devel] [Bug 1790268] Re: the vhd generated by qemu-img not align w


From: Andy
Subject: [Qemu-devel] [Bug 1790268] Re: the vhd generated by qemu-img not align with MiB again.
Date: Sat, 01 Sep 2018 06:18:09 -0000

and even the format is raw:
address@hidden:~/temp$ qemu-img info papapa2.vhd 
image: papapa2.vhd
file format: raw
virtual size: 24M (25166336 bytes)
disk size: 152K

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https://bugs.launchpad.net/bugs/1790268

Title:
  the vhd generated by qemu-img not align with MiB again.

Status in QEMU:
  New

Bug description:
  I'm using this version on xenial,
  address@hidden:~/temp$ qemu-img -h
  qemu-img version 2.5.0 (Debian 1:2.5+dfsg-5ubuntu10.31), Copyright (c) 
2004-2008 Fabrice Bellard

  steps to repro:

  dd if=/dev/zero of=/tmp/azure_config_disk_image20180901-22672-16zxelu 
bs=1048576 count=24
  mkfs.ext4 -F /tmp/azure_config_disk_image20180901-22672-16zxelu -L 
azure_cfg_dsk
  sudo -n mount -o loop /tmp/azure_config_disk_image20180901-22672-16zxelu 
/tmp/azure_config_disk_mount66c11d7a-5f2b-4ed5-b959-3b48dbc42a2a20180901-22672-1ejreat
  sudo -n chown andy 
/tmp/azure_config_disk_mount66c11d7a-5f2b-4ed5-b959-3b48dbc42a2a20180901-22672-1ejreat
  mkdir -p 
/tmp/azure_config_disk_mount66c11d7a-5f2b-4ed5-b959-3b48dbc42a2a20180901-22672-1ejreat/configs
  sudo -n umount 
/tmp/azure_config_disk_mount66c11d7a-5f2b-4ed5-b959-3b48dbc42a2a20180901-22672-1ejreat
  qemu-img convert -f raw -O vpc -o subformat=fixed,force_size 
/tmp/azure_config_disk_image20180901-22672-16zxelu papapa2.vhd

  unfortunately the papapa2.vhd size is 25166336!=25165824 which means
  it's not aligned in MiB.

  could you please help?

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