oci-hdd-maint 2.04 KB
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#!/bin/sh

set -e
#set -x

show_disk_status () {
	#number of physical disks
	local en npd counter
	en=$(megacli -EncInfo -aALL -NoLog | awk '/Device ID/ {print $4}')
	npd=$(megacli -EncInfo -aALL -NoLog | awk '/Number of Slots/ {print $5}')
	counter=0

	echo "Slot,Status,Size"
	while [ "$counter" -lt "$npd" ] ; do
		raw_dinfo=$(megacli -PDInfo -PhysDrv [${en}:${counter}] -aALL -NoLog)
		dstatus=$(echo "$raw_dinfo" | awk '/^Firmware state/ {print $3}'|tr -d ',')
#		inq=$(echo "$raw_dinfo" | awk '/^Inqu/ {print $3" "$4}')
#		dtype=$(echo "$raw_dinfo" | awk '/^PD/ {print $3}')
#		dpred=$(echo "$raw_dinfo" | awk '/^Predic/ {print $4}')
		dsize=$(echo "$raw_dinfo" | awk '/^Raw Size/ {print $3}')
#		dtechno=$(echo "$raw_dinfo" | perl -ne 'print $1 if /^Media Type:\s+(.*)/;')
		echo $counter,$dstatus,$dsize
		counter=$(($counter + 1))
	done
}

replace_disk () {
	OLD_DISK=$1
	NEW_DISK=$2
	OLD_UUID=$(cat /etc/fstab | grep /srv/node/${OLD_DISK} | awk '{print $1}' | sed -e 's/[#]*UUID=//')
	echo "===> Formating /dev/${NEW_DISK} with UUID ${OLD_UUID}"
	mkfs.xfs -m uuid=${OLD_UUID} /dev/${NEW_DISK}
	echo "===> Uncommenting from fstab"
	sed -i "s/[#]*UUID=${OLD_UUID}/UUID=${OLD_UUID}/" /etc/fstab
	echo "===> Mounting /srv/node/${OLD_DISK}"
	mount /srv/node/${OLD_DISK}
	echo "===> Changing disk's owner"
	chown swift:swift /srv/node/${OLD_DISK}
}

usage () {
	echo "                     -l : list devices (columns output)"
	echo "                   -csv : list devices (csv output)"
	echo "                -s <ID> : setup RAID device"
	echo "-r <hold-hdd> <new-hdd> : format and mount <new-hdd> to replace <old-hdd>"
	exit 1
}

if [ "${1}" = "-csv" ] ; then
	show_disk_status
	exit 0
else
	case ${1} in
	"-s")
		if [ -z "${2}" ] ; then
			usage
		fi
		echo "Setting up RAID for device ${2}..."
		megacli -DiscardPreservedCache -Lall -a0
		megacli -CfgLdAdd -r0[32:${2}] WB RA Direct -a0
		;;
	"-l")
		$0 -csv | column -t -s $','
		exit 0
		;;
	"-r")
		if [ -z "${2}" ] ; then
			usage
		fi
		if [ -z "${3}" ] ; then
			usage
		fi
		replace_disk ${2} ${3}
		;;
	*)
		usage
		;;
	esac
fi