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raspiblitz
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formatting BTRFS

dev
Christian Rotzoll 6 years ago
parent
6a85b23b7c
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6d3633eb7c
1 changed files with 94 additions and 49 deletions
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  1. 141
      home.admin/config.scripts/blitz.datadrive.sh

141
home.admin/config.scripts/blitz.datadrive.sh
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@ -19,9 +19,34 @@ echo "make sure BTRFS is installed ..."
sudo apt-get install -y btrfs-tools sudo apt-get install -y btrfs-tools
echo "" echo ""
# detect the two usb drives # check on/off state
echo "Detecting two USB sticks/drives with same size ..." dataStorageNotAvailableYet=$(sudo btrfs filesystem df /mnt/data 2>&1 | grep -c "ERROR: not a btrfs filesystem")
lsblk -o NAME | grep "^sd" | while read -r test1 ; do if [ "$1" = "1" ] || [ "$1" = "on" ]; then
echo "Trying to switch additional data storage on ..."
if [ ${dataStorageNotAvailableYet} -eq 0 ]; then
echo "FAIL -> data storage is already on"
exit 1
fi
elif [ "$1" = "0" ] || [ "$1" = "off" ]; then
echo "Trying to switch additional data storage off ..."
if [ ${dataStorageNotAvailableYet} -eq 1 ]; then
echo "FAIL -> data storage is already off"
exit 1
fi
else
echo "FAIL -> Parameter '${$1}' not known."
exit 1
fi
###################
# SWITCH ON
###################
if [ "$1" = "1" ] || [ "$1" = "on" ]; then
# detect the two usb drives
echo "Detecting two USB sticks/drives with same size ..."
lsblk -o NAME | grep "^sd" | while read -r test1 ; do
size1=$(lsblk -o NAME,SIZE -b | grep "^${test1}" | awk '$1=$1' | cut -d " " -f 2) size1=$(lsblk -o NAME,SIZE -b | grep "^${test1}" | awk '$1=$1' | cut -d " " -f 2)
echo "Checking : ${test1} size(${size1})" echo "Checking : ${test1} size(${size1})"
lsblk -o NAME | grep "^sd" | grep -v "${test1}" | while read -r test2 ; do lsblk -o NAME | grep "^sd" | grep -v "${test1}" | while read -r test2 ; do
@ -34,59 +59,79 @@ lsblk -o NAME | grep "^sd" | while read -r test1 ; do
echo " different ${test2} size(${size2})" echo " different ${test2} size(${size2})"
fi fi
done done
done done
dev1=$(cat .dev1.tmp) dev1=$(cat .dev1.tmp)
dev2=$(cat .dev2.tmp) dev2=$(cat .dev2.tmp)
rm -f .dev1.tmp rm -f .dev1.tmp
rm -f .dev2.tmp rm -f .dev2.tmp
echo "RESULTS:" echo "RESULTS:"
echo "dev1(${dev1})" echo "dev1(${dev1})"
echo "dev2(${dev2})" echo "dev2(${dev2})"
echo "" echo ""
# check that results are available # check that results are available
if [ ${#dev1} -eq 0 ] || [ ${#dev2} -eq 0 ]; then if [ ${#dev1} -eq 0 ] || [ ${#dev2} -eq 0 ]; then
echo "!! FAIL -> was not able to detect two devices with the same size" echo "!! FAIL -> was not able to detect two devices with the same size"
exit 1 exit 1
fi fi
# check size (at least 4GB minus some tolerance) # check size (at least 4GB minus some tolerance)
size=$(lsblk -o NAME,SIZE -b | grep "^${dev1}" | awk '$1=$1' | cut -d " " -f 2) size=$(lsblk -o NAME,SIZE -b | grep "^${dev1}" | awk '$1=$1' | cut -d " " -f 2)
if [ ${size} -lt 3500000000 ]; then if [ ${size} -lt 3500000000 ]; then
echo "!! FAIL -> too small - additional storage needs to be bigger than 4GB" echo "!! FAIL -> too small - additional storage needs to be bigger than 4GB"
exit 1 exit 1
fi fi
# check if devices are containing old data
echo "Analysing Drives ..."
nameDev1=$(lsblk -o NAME,LABEL | grep "^${dev1}" | awk '$1=$1' | cut -d " " -f 2)
nameDev2=$(lsblk -o NAME,LABEL | grep "^${dev2}" | awk '$1=$1' | cut -d " " -f 2)
if [ "${nameDev1}" = "DATASTORE" ] || [ "${nameDev2}" = "DATASTORE" ]; then
# TODO: once implemented -> also make sure that dev1 is named "DATASTORE" and if 2nd is other -> format and add as raid
echo "!! NOT IMPLEMENTED YET -> devices seem contain old data, because name is 'DATASTORE'"
echo "if you dont care about that data: format devices devices on other computer with FAT(32) named TEST"
exit 1
fi
echo "OK drives dont contain old data."
echo ""
# format first drive
echo "Formatting /dev/${dev1} with BTRFS ..."
sudo mkfs.btrfs -L DATASTORE -f /dev/${dev1}
echo "OK"
echo ""
# mount the BTRFS drive
echo "Mounting under /mnt/data ..."
sudo mkdir -p /mnt/data
sudo mount /dev/sdb1 /mnt/data
echo "OK"
echo ""
# adding the second device
echo "Adding the second device as RAID1 .."
sudo btrfs device add -f /dev/sdc /mnt/data
sudo btrfs filesystem balance start -dconvert=raid1 -mconvert=raid1 /mnt/data
echo ""
exit 0
#uuid=$(lsblk -o NAME,UUID | grep "^${dev1}" | awk '$1=$1' | cut -d " " -f 2)
# check if devices are containing old data
echo "Analysing Drives ..."
nameDev1=$(lsblk -o NAME,LABEL | grep "^${dev1}" | awk '$1=$1' | cut -d " " -f 2)
nameDev2=$(lsblk -o NAME,LABEL | grep "^${dev2}" | awk '$1=$1' | cut -d " " -f 2)
if [ "${nameDev1}" = "DATASTORE" ] || [ "${nameDev2}" = "DATASTORE" ]; then
# TODO: once implemented -> also make sure that dev1 is named "DATASTORE" and if 2nd is other -> format and add as raid
echo "!! NOT IMPLEMENTED YET -> devices seem contain old data, because name is 'DATASTORE'"
echo "if you dont care about that data: format devices devices on other computer with FAT(32) named TEST"
exit 1
fi fi
echo "OK drives dont contain old data."
echo ""
exit 0 ###################
# SWITCH OFF
###################
if [ "$1" = "0" ] || [ "$1" = "off" ]; then
lsblk -o UUID,NAME,FSTYPE,SIZE,LABEL,MODEL | greap "^sd" echo "TODO -> Turn off"
# TODO: find the drives
sudo btrfs filesystem show /mnt/data
sudo btrfs filesystem df /mnt/data
# TODO: DETECT if they is already data sudo umount /mnt/data
lsblk -o UUID,NAME,FSTYPE,SIZE,LABEL,MODEL
# check if there is already data on there exit 0
# create fi
sudo mkfs.btrfs -L DATASTORE -f /dev/sdb
sudo mkdir -p /mnt/data
sudo mount /dev/sdb1 /mnt/data
sudo btrfs filesystem show /mnt/data
sudo btrfs device add -f /dev/sdc /mnt/data
sudo btrfs filesystem df /mnt/data
sudo btrfs filesystem balance start -dconvert=raid1 -mconvert=raid1 /mnt/data

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