Add disk sizing checks in PVC installer script
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0ecf3dc1a4
commit
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43
install.sh
43
install.sh
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@ -46,6 +46,7 @@ disks="$(
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echo "2) Please enter the disk to install the PVC base system to. This disk will be"
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echo "wiped, an LVM PV created on it, and the system installed to this LVM."
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echo "NOTE: PVC requires a disk of >16GB to be installed to. 32GB is the recommended minimum."
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echo
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echo "Available disks:"
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echo
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@ -186,6 +187,34 @@ cleanup() {
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}
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trap cleanup EXIT
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echo -n "Determining block device and partition sizing... "
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blockdev_size="$(( $( blockdev --getsize64 ${target_disk} ) / 1024 / 1024 / 1024 - 1))"
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if [[ ${blockdev_size} -ge 58 ]]; then
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# Sufficiently large system disk (>=64GB), use large partitions
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size_root_lv="32"
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size_ceph_lv="4"
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size_swap_lv="16"
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echo "found large disk, using partition sizes 32/4/16."
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elif [[ ${blockdev_size} -ge 28 ]]; then
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# Relatively large disk (>=32GB), use small partitions
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size_root_lv="16"
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size_ceph_lv="2"
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size_swap_lv="8"
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echo "found medium disk, using partition sizes 16/2/8."
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elif [[ ${blockdev_size} -ge 13 ]]; then
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# Small disk (>=16GB), use very small partitions
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size_root_lv="8"
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size_ceph_lv="2"
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size_swap_lv="2"
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echo "found small disk, using partition sizes 8/2/2."
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else
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# Extremely small disk, (<16GB) - bail out, this is too small
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echo
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echo "FAILURE - The specified disk is too small (<16GB). PVC must be installed on a disk of >16GB."
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read
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exit 1
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fi
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echo -n "Bringing up primary network interface in ${target_netformat} mode... "
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case ${target_netformat} in
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'static')
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@ -228,24 +257,24 @@ echo -n "Creating LVM VG named 'vgx'... "
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yes | vgcreate vgx ${target_disk}3 >&2
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echo "done."
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echo -n "Creating root logical volume (32GB)... "
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lvcreate -L 32G -n root vgx >&2
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echo -n "Creating root logical volume (${size_root_lv}GB)... "
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lvcreate -L ${size_root_lv}G -n root vgx >&2
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echo "done."
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echo -n "Creating filesystem on root logical volume (ext4)... "
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yes | mkfs.ext4 /dev/vgx/root >&2
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echo "done."
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echo -n "Creating ceph logical volume (8GB, ext4)... "
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yes | lvcreate -L 8G -n ceph vgx >&2
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echo -n "Creating ceph logical volume (${size_ceph_lv}GB)... "
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yes | lvcreate -L ${size_ceph_lv}G -n ceph vgx >&2
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echo "done."
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echo -n "Creating filesystem on ceph logical volume (ext4)... "
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mkfs.ext4 /dev/vgx/ceph >&2
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echo "done."
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echo -n "Creating swap logical volume (8GB)... "
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lvcreate -L 8G -n swap vgx >&2
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echo -n "Creating swap logical volume (${size_swap_lv}GB)... "
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lvcreate -L ${size_swap_lv}G -n swap vgx >&2
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echo "done."
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echo -n "Creating swap on swap logical volume... "
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echo -n "Creating swap space on swap logical volume... "
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yes | mkswap -f /dev/vgx/swap >&2
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echo "done."
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