b65d58e90e
Discarding blocks on large RAID volume takes too much time, user may suspects the script doesn't works correctly, so it's better to skip, do discard directly on each volume instead. Fixes #1896 Signed-off-by: Takuya ASADA <syuu@scylladb.com> Message-Id: <1489533460-30127-1-git-send-email-syuu@scylladb.com>
123 lines
2.8 KiB
Bash
Executable File
123 lines
2.8 KiB
Bash
Executable File
#!/bin/bash -e
|
|
#
|
|
# Copyright (C) 2015 ScyllaDB
|
|
|
|
. /usr/lib/scylla/scylla_lib.sh
|
|
|
|
print_usage() {
|
|
echo "scylla-raid-setup --disks /dev/hda,/dev/hdb... --raiddev /dev/md0 --update-fstab --root /var/lib/scylla --volume-role [all|data|commitlog]"
|
|
echo " --disks specify disks for RAID"
|
|
echo " --raiddev MD device name for RAID"
|
|
echo " --update-fstab update /etc/fstab for RAID"
|
|
echo " --root specify the root of the tree"
|
|
echo " --volume-role specify how will this device be used (data, commitlog, or all)"
|
|
exit 1
|
|
}
|
|
|
|
RAID=/dev/md0
|
|
FSTAB=0
|
|
ROOT=/var/lib/scylla
|
|
ROLE="all"
|
|
|
|
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
|
|
;;
|
|
"--root")
|
|
ROOT="$2"
|
|
shift 2
|
|
;;
|
|
"--volume-role")
|
|
ROLE="$2"
|
|
shift 2
|
|
;;
|
|
*)
|
|
print_usage
|
|
;;
|
|
esac
|
|
done
|
|
|
|
ROOT=${ROOT%/}
|
|
case "$ROLE" in
|
|
"all")
|
|
MOUNT_AT=$ROOT
|
|
;;
|
|
"data")
|
|
MOUNT_AT="$ROOT/data"
|
|
;;
|
|
"commitlog")
|
|
MOUNT_AT="$ROOT/commitlog"
|
|
;;
|
|
*)
|
|
echo "Invalid role specified ($ROLE)"
|
|
print_usage
|
|
;;
|
|
esac
|
|
|
|
if [ "$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 scylla using $NR_DISK disk\(s\): $DISKS
|
|
if [ -e $RAID ]; then
|
|
echo "$RAID is already using"
|
|
exit 1
|
|
fi
|
|
if mountpoint -q $MOUNT_AT; then
|
|
echo "$MOUNT_AT is already mounted"
|
|
exit 1
|
|
fi
|
|
|
|
if is_debian_variant; then
|
|
env DEBIAN_FRONTEND=noninteractive apt-get -y install mdadm xfsprogs
|
|
else
|
|
yum -y install mdadm xfsprogs
|
|
fi
|
|
if [ "$ID" = "ubuntu" ] && [ "$VERSION_ID" = "14.04" ]; then
|
|
mdadm --create --verbose --force --run $RAID --level=0 -c1024 --raid-devices=$NR_DISK $DISKS
|
|
mkfs.xfs $RAID -f
|
|
else
|
|
for dsk in $DISKS; do
|
|
blkdiscard $dsk &
|
|
done
|
|
wait
|
|
mdadm --create --verbose --force --run $RAID --level=0 -c1024 --raid-devices=$NR_DISK $DISKS
|
|
mkfs.xfs $RAID -f -K
|
|
fi
|
|
mdadm --detail --scan > /etc/mdadm.conf
|
|
|
|
mkdir -p "$MOUNT_AT"
|
|
mount -t xfs -o noatime $RAID "$MOUNT_AT"
|
|
|
|
# create this unconditionally so we are more robust about ordering
|
|
# if the script is run multiple times. But must do after mount in case
|
|
# we are mounting the root
|
|
mkdir -p "$ROOT/data"
|
|
mkdir -p "$ROOT/commitlog"
|
|
mkdir -p "$ROOT/coredump"
|
|
chown scylla:scylla "$ROOT"
|
|
chown scylla:scylla "$ROOT"/*
|
|
|
|
if [ $FSTAB -ne 0 ]; then
|
|
UUID=`blkid $RAID | awk '{print $2}'`
|
|
echo "$UUID $MOUNT_AT xfs noatime 0 0" >> /etc/fstab
|
|
fi
|