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Check free diskspace

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This commit is contained in:
Kroese 2023-04-15 02:20:36 +02:00 committed by GitHub
parent 77eb81c6fe
commit bab6554cbd
1 changed files with 9 additions and 4 deletions
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13
disk.sh
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@ -2,9 +2,9 @@
set -eu
BOOT="$IMG/$BASE.boot.img"
[ ! -f "$BOOT" ] && echo "ERROR: Virtual DSM boot-image does not exist ($BOOT)" && exit 81
SYSTEM="$IMG/$BASE.system.img"
[ ! -f "$BOOT" ] && echo "ERROR: Virtual DSM boot-image does not exist ($BOOT)" && exit 81
[ ! -f "$SYSTEM" ] && echo "ERROR: Virtual DSM system-image does not exist ($SYSTEM)" && exit 82
DISK_SIZE=$(echo "${DISK_SIZE}" | sed 's/MB/M/g;s/GB/G/g;s/TB/T/g')
@ -13,17 +13,22 @@ NEW_SIZE=$(numfmt --from=iec "${DISK_SIZE}")
DATA="$IMG/data$DISK_SIZE.img"
if [ ! -f "$DATA" ]; then
# Create an empty file
if ! fallocate -l "${NEW_SIZE}" "${DATA}"; then
rm -f "${DATA}"
echo "ERROR: Not enough free space to create virtual disk." && exit 88
fi
# Check if file exists
if [ ! -f "$DATA" ]; then
echo "ERROR: Virtual DSM data-image does not exist ($DATA)" && exit 83
fi
# Format as BTRFS filesystem
mkfs.btrfs -q -L data -d single -m dup "${DATA}" > /dev/null
fi
[ ! -f "$DATA" ] && echo "ERROR: Virtual DSM data-image does not exist ($DATA)" && exit 83
# Resizing requires mounting a loop device which in turn requires
# the container to be privileged, so we must disable it for now.
#