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#!/bin/bash -e | |
# | |
# Copyright (C) 2015 ScyllaDB | |
# Modified by Itay Adler to fit for ComboAMI DSE setup. | |
print_usage() { | |
echo "dse-raid-setup --disks /dev/hda,/dev/hdb... --raiddev /dev/md0 --update-fstab" | |
echo " --disks specify disks for RAID" | |
echo " --raiddev MD device name for RAID" | |
echo " --update-fstab update /etc/fstab for RAID" | |
exit 1 | |
} | |
RAID=/dev/md0 | |
FSTAB=0 | |
while [ $# -gt 0 ]; do | |
case "$1" in | |
"--disks") | |
DISKS=`echo "$2"|tr -s ',' ' '` | |
NR_DISK=$((`echo "$2"|grep , -o|wc -w` + 1)) | |
shift 2 | |
;; | |
"--raiddev") | |
RAID="$2" | |
shift 2 | |
;; | |
"--update-fstab") | |
FSTAB=1 | |
shift 1 | |
;; | |
*) | |
print_usage | |
;; | |
esac | |
done | |
if [ "$DISKS" = "" ]; then | |
print_usage | |
fi | |
for dsk in $DISKS; do | |
if [ ! -b $dsk ]; then | |
echo "$dsk is not found" | |
exit 1 | |
fi | |
done | |
echo Creating RAID0 for DSE using $NR_DISK disk\(s\): $DISKS | |
if [ -e $RAID ]; then | |
echo "$RAID is already using" | |
exit 1 | |
fi | |
if [ "`mount|grep /var/lib/cassandra`" != "" ]; then | |
echo "/var/lib/cassandra is already mounted" | |
exit 1 | |
fi | |
. /etc/os-release | |
if [ "$NAME" = "Ubuntu" ]; then | |
env DEBIAN_FRONTEND=noninteractive apt-get -y install mdadm xfsprogs | |
else | |
yum -y install mdadm xfsprogs | |
fi | |
mdadm --create --verbose --force --run $RAID --level=0 -c256 --raid-devices=$NR_DISK $DISKS | |
blockdev --setra 65536 $RAID | |
mkfs.xfs $RAID -f | |
echo "DEVICE $DISKS" > /etc/mdadm.conf | |
mdadm --detail --scan >> /etc/mdadm.conf | |
if [ $FSTAB -ne 0 ]; then | |
UUID=`blkid $RAID | awk '{print $2}'` | |
echo "$UUID /var/lib/cassandra xfs noatime 0 0" >> /etc/fstab | |
fi | |
mount -t xfs -o noatime $RAID /var/lib/cassandra | |
mkdir -p /var/lib/cassandra/data | |
mkdir -p /var/lib/cassandra/logs | |
mkdir -p /var/lib/cassandra/commitlog | |
sudo chown cassandra:cassandra /var/lib/cassandra/* | |
sudo chown cassandra:cassandra /var/lib/cassandra/ |
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