openstack/ironic-python-agent
Code Issues Proposed changes

Merge "Create partition at max msdos limit for disks > 2TB"

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Jenkins 2015-11-18 20:42:21 +00:00 committed by Gerrit Code Review
commit b53bd28a20
1 changed files with 14 additions and 2 deletions
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16
ironic_python_agent/shell/copy_configdrive_to_disk.sh
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@ -36,6 +36,7 @@ usage() {
}
MAX_DISK_PARTITIONS=128
MAX_MBR_SIZE_MB=2097152
CONFIGDRIVE="$1"
DEVICE="$2"
@ -86,9 +87,20 @@ else
else
log "Working on MBR only device $DEVICE"
# Create small partition at the end of the device
# get total disk size, to detect if that exceeds 2TB msdos limit
disksize_bytes=$(blockdev --getsize64 $DEVICE)
disksize_mb=$(( ${disksize_bytes%% *} / 1024 / 1024))
startlimit=-64MiB
endlimit=-0
if [ "$disksize_mb" -gt "$MAX_MBR_SIZE_MB" ]; then
# Create small partition at 2TB limit
startlimit=$(($MAX_MBR_SIZE_MB - 65))
endlimit=$(($MAX_MBR_SIZE_MB - 1))
fi
log "Adding configdrive partition to $DEVICE"
parted -a optimal -s -- $DEVICE mkpart primary ext2 -64MiB -0 || fail "creating configdrive on ${DEVICE}"
parted -a optimal -s -- $DEVICE mkpart primary ext2 $startlimit $endlimit || fail "creating configdrive on ${DEVICE}"
# Find partition we just created
# Dump all partitions, ignore empty ones, then get the last partition ID