openstack/ironic-python-agent
Code Issues Proposed changes

Use host_device mode for qemu-img

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When writing to a host device, possibly one that does not support holes,
it is preferable to use host_device instead of the raw mode. Not doing so
means holes are simply skipped and the deployed image is invalid.

Change-Id: I24f8b4daf099af8bb03c3a4f6417b6c87bd49021
Closes-Bug: #1466632
This commit is contained in:
Mathieu Mitchell 2015-06-18 15:57:02 -04:00
parent 6c28c22ad3
commit 63851b72ee
1 changed files with 1 additions and 1 deletions
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2
ironic_python_agent/shell/write_image.sh
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@ -39,7 +39,7 @@ log "Erasing existing mbr from ${DEVICE}"
dd if=/dev/zero of=$DEVICE bs=512 count=10
log "Imaging $IMAGEFILE to $DEVICE"
qemu-img convert -t directsync -O raw $IMAGEFILE $DEVICE
qemu-img convert -t directsync -O host_device $IMAGEFILE $DEVICE
sync
log "${DEVICE} imaged successfully!"