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Bug 1058145 - fail to create VPC file format disk with large size using qemu-img
Summary: fail to create VPC file format disk with large size using qemu-img
Keywords:
Status: CLOSED WONTFIX
Alias: None
Product: Red Hat Enterprise Linux 7
Classification: Red Hat
Component: qemu-kvm
Version: 7.0
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: rc
: ---
Assignee: Jeff Cody
QA Contact: Virtualization Bugs
URL:
Whiteboard:
Depends On: 999763
Blocks:
TreeView+ depends on / blocked
 
Reported: 2014-01-27 05:24 UTC by Sibiao Luo
Modified: 2015-01-27 20:05 UTC (History)
12 users (show)

Fixed In Version:
Doc Type: Bug Fix
Doc Text:
Clone Of: 999763
Environment:
Last Closed: 2015-01-27 20:05:36 UTC
Target Upstream Version:
Embargoed:

Attachments (Terms of Use)

Comment 1 Sibiao Luo 2014-01-27 05:26:46 UTC 
Host info:
# uname -r && rpm -q qemu-kvm-rhev
3.10.0-79.el7.x86_64
qemu-kvm-rhev-1.5.3-39.el7.x86_64

# qemu-img create -f vpc sluo-data-disk.vpc 2031G
Formatting 'sluo-data-disk.vpc', fmt=vpc size=2180769644544 
# qemu-img create -f vpc sluo-data-disk.vpc 2032G
Formatting 'sluo-data-disk.vpc', fmt=vpc size=2181843386368 

# qemu-img create -f vpc sluo-data-disk.vpc 2033G
Formatting 'sluo-data-disk.vpc', fmt=vpc size=2182917128192 
qemu-img: sluo-data-disk.vpc: The image size is too large for file format 'vpc'
# qemu-img create -f vpc sluo-data-disk.vpc 2034G
Formatting 'sluo-data-disk.vpc', fmt=vpc size=2183990870016 
qemu-img: sluo-data-disk.vpc: The image size is too large for file format 'vpc'
Comment 3 Jeff Cody 2014-07-22 19:54:57 UTC 
VHD/VPC (_not_ VHDX) maximum file size is 2040GB.  qemu-img seems to work only up to 2032GB in image creation.  However, for larger disks for Hyper-V (VirtualPC itself only supports 127GB images), the VHDX format would almost certainly be used anyway.
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