diff options
Diffstat (limited to 'ironic_python_agent/shell/write_image.sh')
| -rwxr-xr-x | ironic_python_agent/shell/write_image.sh | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/ironic_python_agent/shell/write_image.sh b/ironic_python_agent/shell/write_image.sh index 165d7176..0a780490 100755 --- a/ironic_python_agent/shell/write_image.sh +++ b/ironic_python_agent/shell/write_image.sh @@ -36,7 +36,13 @@ DEVICE="$2" # In production this will be replaced with secure erasing the drives # For now we need to ensure there aren't any old (GPT) partitions on the drive log "Erasing existing GPT and MBR data structures from ${DEVICE}" -sgdisk -Z $DEVICE || sgdisk -o $DEVICE + +# NOTE(gfidente): GPT uses 33*512 sectors, this is an attempt to avoid bug: +# https://bugs.launchpad.net/ironic-python-agent/+bug/1737556 +DEVICE_SECTORS_COUNT=`blockdev --getsz $DEVICE` +dd bs=512 if=/dev/zero of=$DEVICE count=33 +dd bs=512 if=/dev/zero of=$DEVICE count=33 seek=$((${DEVICE_SECTORS_COUNT} - 33)) +sgdisk -Z $DEVICE log "Imaging $IMAGEFILE to $DEVICE" |