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DescriptionJaroslav Henner
2014-05-24 14:10:11 UTC
Description of problem:
In the bug BZ#1045242 Perry requested to increase the virtual disk size to 16GB, because in that time, the image was not able to resize the root partition, thus neither the root FS. This is now possible with RHEL 6.5 (BZ#977028) as well as with 7.0 images, so now it would certainly be better to have the image virtual size as small as possible to make it fit as small flavor as possible. Note it cannot be shrunk easily, but can be easily enlarged. [1]
The minimum requirements for rhel 6 is 1G [2].
[1] Resizing the virtual disk size
`--> qemu-img info rhel-guest-image-6.5-20140522.0.x86_64.qcow2
image: rhel-guest-image-6.5-20140522.0.x86_64.qcow2
file format: qcow2
virtual size: 17G (18253611008 bytes)
disk size: 293M
cluster_size: 65536
.-(/tmp)----------------------------------------------------------------------(jhenner@veverka)-
`--> qemu-img resize rhel-guest-image-6.5-20140522.0.x86_64.qcow2 -1G
qemu-img: This image format does not support resize
.-(/tmp)----------------------------------------------------------------------(jhenner@veverka)-
`--> qemu-img resize rhel-guest-image-6.5-20140522.0.x86_64.qcow2 +1G
Image resized.
.-(/tmp)----------------------------------------------------------------------(jhenner@veverka)-
`--> qemu-img info rhel-guest-image-6.5-20140522.0.x86_64.qcow2
image: rhel-guest-image-6.5-20140522.0.x86_64.qcow2
file format: qcow2
virtual size: 18G (19327352832 bytes)
disk size: 293M
cluster_size: 65536
[2] http://www.redhat.com/resourcelibrary/articles/articles-red-hat-enterprise-linux-6-technology-capabilities-and-limits
Version-Release number of selected component (if applicable):
rhel-guest-image-6.5-20140522.0
How reproducible:
always
Steps to Reproduce:
1. qemu-img info rhel-guest-image-6.5-20140522.0.x86_64.qcow2
2.
3.
Actual results:
qemu-img info rhel-guest-image-6.5-20140522.0.x86_64.qcow2
image: rhel-guest-image-6.5-20140522.0.x86_64.qcow2
file format: qcow2
virtual size: 16G (xxx bytes)
disk size: 293M
cluster_size: 65536
Expected results:
virtual size: 1G