Download Przyrostowy backup na dysk dedykowany - bezpieczniejsze niż RAID

Silas Mariusz

Silas Mariusz

rm -rf /
Help us, GOD!
5 Kwiecień 2008
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forum.qnap.net.pl
QNAP
TS-x77
Ethernet
1 GbE
Jak to działa:
Serwer TS-451 skonfigurowany z 4 dyskami w trybie pojedynczym. Dysk numer 4 jest zarezerwowany tylko do kopii zapasowej kluczowych danych z dysków 1-3. Kopia jest wyzwalana raz dziennie... Każde dyski są skonfigurowane pojedynczo.

Zalety takiego rozwiązania?
Jeśli myślisz, że RAID to backup i załatwia sprawę to jesteś w błędzie.
Pomyśl... Kupiłeś 4 dyski i zrobiłeś z nich RAID. W pracy każdy dysk był utilizowany tak samo przez ostatnie 2 lata. Który z nich zużył się najbardziej? Wszystkie!

Kiedy jeden z dysków będzie na wykończeniu, bierz pod uwagę, że i zaraz kolejne dyski scenariusz śmierci czeka.

W przypadku konfiguracji pojedynczych dysków zamiast równoległej pracy wszystkich w RAID'zie, tylko dysk numer 1 będzie najczęściej używany. Wszystkie codzienne usługi tj. Torrent, Stacja monitoringu i etc... zostaną skierowane na ten dysk. Pozostałe dyski na, których znajdują się multimedia oraz prywatne dane, będą rzadziej wykorzystywane a tym samym zwiększy się ich żywotność.
Mało tego, na dysk numer 4 zostały zaplanowane dzienne kopie co zdecydowanie zwiększy bezpieczeństwo krytycznych danych!

O zastosowaniu RAID i czym on naprawde jest już pisaliśmy na forum wiele razy...

Rozwiązanie:
1. Pobierz makebackup
Bash:
cd /share/Public
wget http://pool.qnapclub.pl/projects/tools/makebackup/makebackup.tar.gz
tar zxvf makebackup.tar.gz && rm makebackup.tar.gz
cd .makebackup

2. Edytuj w udziale sieciowym Public/.makebackup pliki backup.conf oraz backup.lst w którym określ katalogi źródłowe, które chcesz archiwizować:

3. Uruchom mkbackup.sh
Bash:
./mkbackup.sh

4. Jeśli wszystko działa w porządku, dodaj skrypt do crontab'a, np. za pomocą CronWeb:
Kod:
15      5       *       *       *       sh /share/Public/mkbackup/makebackup.sh

Source code:
Bash:
#!/bin/bash
: ${NAME=backup}
##
##   Left-To-Right Backup for QNAP
##
##   Copyright © 2014, Silas Mariusz <silas@qnap.com.antispam>
##
##                     QNAP Club Polska
##
##
##   This program is free software; you can redistribute it and/or modify
##   it under the terms of the GNU General Public License as published by
##   the Free Software Foundation; either version 2, or (at your option)
##   any later version.
##
##   This program is distributed in the hope that it will be useful,
##   but WITHOUT ANY WARRANTY; without even the implied warranty of
##   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
##   GNU General Public License for more details.
##
##   You should have received a copy of the GNU General Public License
##   along with this program; if not, write to the Free Software Foundation,
##   Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
##
##   The latest version of this software can be obtained here:
##
##   https://forum.qnap.net.pl/
##
##
##   FILE: backup.sh
##
##   RELEASE: 0.4 (beta)
##   DATE: 2015-05-03
##


##   GENERAL VARIABLES
[[ ! -d "/var/run" ]] && exit 1
LOCK="/var/run/${NAME}.lock"
LOCK_DIR="/var/run/${NAME}"
RETVAL=0 ; _RETVAL=

##   Set environment paths ...
_PATHS=\
/bin:\
/sbin:\
/usr/bin:\
/usr/sbin:\
/usr/local/bin:\
/usr/local/sbin:\
/opt/bin:\
/opt/sbin:\
/opt/local/bin:\
/opt/local/sbin:\
:

_LD_PATHS=\
/opt/local/lib:\
/opt/lib:\
:

export PATH=$_PATHS:$PATH:$_PATHS
#export LD_LIBRARY_PATH=$_LD_PATHS:$LD_LIBRARY_PATH:$_LD_PATHS

##   Ansi colors
##   -----------------------------------------------------------------
##   Normal Colors        Bold Colors             # Color
##   ---------------------------------------------#-------------------
black='\e[0;30m' 	; bblack='\e[1;30m' 	; # Black
red='\e[0;31m' 		; bred='\e[1;31m' 	; # Red
green='\e[0;32m' 	; bgreen='\e[1;32m' 	; # Green
yellow='\e[0;33m' 	; byellow='\e[1;33m' 	; # Yellow
blue='\e[0;34m' 	; bblue='\e[1;34m' 	; # Blue
purple='\e[0;35m' 	; bpurple='\e[1;35m' 	; # Purple
cyan='\e[0;36m' 	; bcyan='\e[1;36m' 	; # Cyan
white='\e[0;37m' 	; bwhite='\e[1;37m' 	; # White
##   ---------------------------------------------#-------------------
##   Background
on_black='\e[40m' 	; 			# On Black
on_red='\e[41m' 	; 			# On Red
on_green='\e[42m' 	; 			# On Green
on_yellow='\e[43m' 	; 			# On Yellow
on_blue='\e[44m' 	; 			# On Blue
on_purple='\e[45m' 	; 			# On Purple
on_cyan='\e[46m' 	; 			# On Cyan
on_white='\e[47m' 	; 			# On White
##   ---------------------------------------------#-------------------
##   Colors Presets
alert="${bwhite}${on_red}" 	; i_alert="${bred}${on_white}" 	#alert
note="${bwhite}${on_blue}" 	; i_note="${bblue}${on_white}" 	#note
info="$note" 			; i_info="$i_note" 		#info
##   ---------------------------------------------#-------------------
##   Reset colour/restore default
nc="\e[m"
##   ---------------------------------------------#--------[ DONE ]---

##   Environment
fd=0                    # stdin
export HOME=/root
export TERM=xterm
export USER=admin
export PWD=/root
export EDITOR=/bin/vi
export LOGNAME=admin


: ${AWK=awk}

##   interactive shell? then keep user attention on the err msg
##   -----------------------------------------------------------------
if [ -t "$fd" ] || [ -p /dev/stdin ]; then
	echo -n "]0; logman-[QNAP] "
fi

##   Signals
SIGNAL_HUP=1 		; SIGNAL_INT=2 		; SIGNAL_QUIT=3 	; 	SIGNAL_ILL=4
SIGNAL_TRAP=5 		; SIGNAL_ABRT=6 	; SIGNAL_BUS=7 		; 	SIGNAL_FPE=8
SIGNAL_KILL=9 		; SIGNAL_USR1=10 	; SIGNAL_SEGV=11 	; 	SIGNAL_USR2=12
SIGNAL_PIPE=13 		; SIGNAL_ALRM=14 	; SIGNAL_TERM=15 	; 	SIGNAL_STKFLT=16
SIGNAL_CHLD=17 		; SIGNAL_CONT=18 	; SIGNAL_STOP=19 	; 	SIGNAL_TSTP=20
SIGNAL_TTIN=21 		; SIGNAL_TTOU=22 	; SIGNAL_URG=23 	; 	SIGNAL_XCPU=24
SIGNAL_XFSZ=25 		; SIGNAL_VTALRM=26 	; SIGNAL_PROF=27 	; 	SIGNAL_WINCH=28
SIGNAL_IO=29 		; SIGNAL_PWR=30 	; SIGNAL_SYS=31 	; 	#End

# uint signal (uint <pid>, int <signal number>|string <signal name>)
function signal {
	local -i PID=$1 SIGNAL=$2  ## Automatically expands if $1 is a variable.
	kill -s "$SIGNAL" "$PID" 2>&"$NULL"
}

# debug exec - (if _DEBUG is non zero)
function DEBUG()
{
	[[ "$_DEBUG" == "0" ]] || $@
}

function _exit()
{
	echo -e "$*"
	echo

	# interactive shell? then keep user attention on the err msg
	if [[ -t "$fd" ]] || [[ -p /dev/stdin ]]; then
		echo -n "]0; ! ERROR          - - - - -  " ; sleep 1
		echo -n "]0; - - - - -           ERROR ! " ; sleep 1
		echo -n "]0;  - - - - -           ERROR! " ; sleep 1
		echo -n "]0; - - - - -           ERROR ! " ; sleep 1
		echo -n "]0; !ERROR          - - - - -   " ; sleep 1
	fi

	exit 1
}

#alias strip_esc='sed -r "s/\x1B\[([0-9]{1,2}(;[0-9]{1,2})?)?[m|K|A|B|C]//g"'
alias strip_esc='sed -r "s/\x1B[\[|\(]([0-9]{1,2}(;[0-9]{1,2})?)?[m|K|A|B|C|E|J|S|Z|H]//g"'
shopt -s expand_aliases

# Message to terminal and system log
# ###########################################################################
_log() {
	local msg_type="info"
	local write_msg="/sbin/log_tool -t0 -u$NAME -p127.0.0.1 -mlocalhost -a"
	local message="$NAME: ${*:-"Unspecified Notice"}"
	[ "$_QUIET" != "1" ] && echo -e "(${green}$msg_type${nc}) $message"
	# save to system Event Log only when in DEBUG mode
	[[ "$_DEBUG" == "1" ]] && $write_msg "($msg_type) $(echo $message | strip_esc)"
}

# Warning message to terminal and system log
# ###########################################################################
_warn() {
	local msg_type="warn"
	local write_warn="/sbin/log_tool -t1 -u$NAME -p127.0.0.1 -mlocalhost -a"
	local message="$NAME: ${*:-"Unknown Warning"}" && $write_warn "($msg_type) $(echo $message | strip_esc)"
	echo -e "(${red}$msg_type${nc}) $message"
}

# Write error log message and exit
# ###########################################################################
_err(){
	local msg_type="err!"
	local write_err="/sbin/log_tool -t2 -u$NAME -p127.0.0.1 -mlocalhost -a"
	local message="$NAME: ${*:-"Unknown Error"}" && $write_err "($msg_type) $(echo $message | strip_esc)"
	_exit "(${alert}$msg_type${nc}) $message \n"
}

available() {
	type -t "$1" >/dev/null && return 0
	return 1
}

need() {
	available "$1" && return 0
	_err needed command was not found: $1
	exit 1
}

alias finddev='getcfg "PhysicalDisk_$DISKNO" pd_sys_name -f /etc/enclosure_0.conf -d error | cut -d \/ -f 3'
# Let external disk go sleep...
drive_readd() {
	_device=$($finddev)

	if [[ "$_device" == "error" ]] || [[ ! -x "/dev/$_device" ]]; then
		echo "Hardware rescaning... (About 2 minutes)"
		scsihosts=$(ls -1 "/sys/class/scsi_host/" | grep host | tr -d "@" | tac)
		for i in $scsihosts ; do
			_sd_dev=$(ls -1 /sys/block/ | grep sd | tr -d "/") ; echo Found: $_sd_dev
			echo "0 0 0" >"/sys/class/scsi_host/$i/scan" 2>/dev/null
			_device=$($finddev)
			[[ "$_device" != "error" ]] && [[ -e "/dev/$_device" ]] && break
		done

		sleep 10
		sync

		_device=$($finddev)
		[[ "$_device" == "error" ]] && _err "Physical disk $DISKNO not found in /etc/enclosure_0.conf"
	else
		_log "HDD $DISKNO: Device: /dev/${green}$_device${nc} Target: ${yellow}$RIGHT${nc}/$POOL"
	fi
}

# Let external disk go sleep...
drive_remove() {
	_device=$($finddev)
	[[ "$_device" == "error" ]] && return 1
	sync
	sleep 5
	hdparm -S 1 /dev/$_device
	hdparm -y /dev/$_device

	umount /dev/$_device
	echo offline > /sys/block/$_device/device/state
	echo 1 > /sys/block/$_device/device/delete
	return 0
}

need ipkg
ipkg update                  2>&1 >/dev/null
ipkg install findutils       2>&1 >/dev/null
ipkg install rsync           2>&1 >/dev/null
ipkg install binutils        2>&1 >/dev/null
ipkg install util-linux-ng   2>&1 >/dev/null

need rsync
need ionice
need find

DATE=`date +%Y-%m-%d` ; 	TIME=`date +%H:%M:%S` ; 	NOW=`date +%Y%m%d_%H%M%S`

# ###########################################################################
# Basics
# ###########################################################################

# find my name and real current directory
# ###########################################################################
PROGNAME=`type $0 | awk '{print $3}'`  # search for executable on path

PROGDIR=`dirname $PROGNAME`            # extract directory of program
PROGNAME=`basename $PROGNAME`          # base name of program

[ "$PROGDIR" == "." ] && PROGDIR=`cd $PROGDIR && pwd || echo $PROGDIR`

Int_dPWD=`cd $PROGDIR && pwd || echo $PROGDIR`
if [ "${Int_dPWD}" = "/etc/init.d" ] || [ "${Int_dPWD}" = "/etc/rcS.d" ] || [ "${Int_dPWD}" = "/etc/rcK.d" ]; then
	[ -L "${PROGDIR}/${PROGNAME}" ] && {
		_SLINK=$(readlink ${PROGDIR}/${PROGNAME})
		PROGDIR=`dirname ${_SLINK}`
		PROGNAME=`basename ${_SLINK}`
}
fi

# Fully qualify directory path (remove relative components and symlinks)
# WARNING: The "bash" "pwd" builtin does not resolve symbolic links
# "sh" (as a link to "bash") also does not,   but "csh" does handle it.
# Symbolic link removal however is not critical.
ORIGDIR=`pwd`                                 # original directory (builtin)
PROGDIR=`cd $PROGDIR && pwd || echo $PROGDIR` # program directory

# Results...
#    $ORIGDIR    -- where the users was when called
#    $PROGDIR    -- script directory location (and now current directory)
#    $PROGNAME   -- This scripts executable name


# alternatively use this...

# Get the fully qualified path to the script
# ###########################################################################
case $0 in
	/*)
		SCRIPT="$0"
		;;
	*)
		PWD=`pwd`
		SCRIPT="$PWD/$0"
		;;
esac

# Change spaces to ":" so the tokens can be parsed.
SCRIPT=`echo $SCRIPT | sed -e 's; ;:;g'`
# Get the real path to this script, resolving any symbolic links
TOKENS=`echo $SCRIPT | sed -e 's;/; ;g'`
REALPATH=
for C in $TOKENS; do
	REALPATH="$REALPATH/$C"
	while [ -h "$REALPATH" ] ; do
		LS="`ls -ld "$REALPATH"`"
		LINK="`expr "$LS" : '.*-> \(.*\)$'`"
		if expr "$LINK" : '/.*' > /dev/null; then
			REALPATH="$LINK"
		else
			REALPATH="`dirname "$REALPATH"`""/$LINK"
		fi
	done
done
# Change ":" chars back to spaces.
REALPATH=`echo $REALPATH | sed -e 's;:; ;g'`
REALPATH="`dirname "$REALPATH"`"
[ "`basename $REALPATH`" == "." ] && \
	REALPATH="`echo $REALPATH | awk '{$0=substr($0,1,length($0)-2); print $0}'`"

# Change the current directory to the location of the script
PROGDIR="`cd $REALPATH && pwd || echo $PROGDIR`"
cd "$PROGDIR"


##   LOG PATH
MKBAKCONF="/share/Public/.makebackup"
[[ -d "$MKBAKCONF" ]] || mkdir "$MKBAKCONF"

LOGDIR="$MKBAKCONF"
LOGFILE="$LOGDIR/rsync_`date +%Y-%m-%d`.log"

SOURCES="$MKBAKCONF/backup.lst"
if [ ! -f "$SOURCES" ]; then
	echo -e "/share/Public/directory1\n/share/Multimedia/Family\n/etc\n..." > $SOURCES.example
	_log "Create list file with source directories to backup: ${white}$SOURCES${nc}"
	_err "Backup list not found $SOURCES"
	exit 1
fi
LEFT=()
s=0
while read line; do
	#LEFT[s]="$(echo -e "$line" | sed 's/ /\\ /g')"
	LEFT[s]="$(echo -e "$line")"
	s=$(expr $s + 1)
done < "$SOURCES"
echo -e "${bwhite}Source list${nc}: \n${LEFT[@]} \n"

CONFIG="$MKBAKCONF/backup.conf"
[ -f "$CONFIG" ] || _err "Config file not found $CONFIG"
RIGHT=$(getcfg Backup RIGHT -f "$CONFIG" -d error)
echo -e "${bwhite}Remote path${nc}: \n$RIGHT     \n"

DISKNO=$(getcfg Backup DISKNO -f "$CONFIG" -d error)
SPINDRIVE=$(getcfg Backup SPINDRIVE -f "$CONFIG" -d 0)

IGNORE="$MKBAKCONF/ignore.lst"
[[ -f "$IGNORE" ]] || _err "Ignore list file not found $IGNORE"

[[ -d "$RIGHT" ]] || mkdir "$RIGHT"
[[ -d "$RIGHT" ]] || _err "Destination directory path is wrong..."



# ###########################################################################
# Global Variables
# ###########################################################################
# Time Measure Command
STA_NOWTIME="date +%s"

## func: Elapsed Time (calculate diff)
## ###########################################################################
elapsedTime() {
	local _startTime="$1"
	local _endTime="$2"
	echo "$(($_endTime - $_startTime))"
}

#-----------------------------------------------------------------------
# Private Signal Traps Functions {{{2
#
# DANGER: SIGKILL cannot be trapped. So, try not to `kill -9 PID` or
#         there will be *NO CLEAN UP*. You'll have to manually remove
#         any locks in place.
#-----------------------------------------------------------------------
function __make_locks {
        if [ ! -e "${LOCK}" ] ; then
                touch "${LOCK}"
        else
                _err application already started... Lock found ${LOCK}
        fi
}

function __clean_locks {
        [ -f "$LOCK" ] && rm "$LOCK"
}
function __sig_exit {
        __clean_locks
}

function __sig_int {
        echo -e "\n${warn} WARNING: ${nc} ${bred}SIGINT ${nc}${red}caught${nc}"
        __clean_locks
        exit 1002
}

function __sig_quit {
        echo -e "\n${bpurple} SIGQUIT ${nc}${purple}caught${nc}"
        __clean_locks
        exit 1003
}

function __sig_term {
        echo -e "\n${warn} WARNING: ${nc} ${bred}SIGTERM ${nc}${red}caught${nc}"
        __clean_locks
        exit 1015
}

# Set TRAPs
trap __sig_exit EXIT    # SIGEXIT
#trap __sig_int INT      # SIGINT
trap __sig_quit QUIT    # SIGQUIT
trap __sig_term TERM    # SIGTERM

# Create lock file to prevent double run
__make_locks

# Readd/remount disk drive
[[ "$SPINDRIVE" == "1" ]] && drive_readd

# start time
_startMeasureTime=$($STA_NOWTIME)

cd "$RIGHT" && \
$PROGDIR/sayebackup.sh 	\
	--inc 			\
	--relative 		\
	-C "$RIGHT/" 		\
	-E "$IGNORE" 		\
	-o bak 			\
	"${LEFT[@]}" 		\
	| tee -a "$LOGFILE"

_RETVAL=${PIPESTATUS[0]}
if [ $_RETVAL -eq 0 ]; then
	_log "Sync done: -> $RIGHT"
else
	[ "$_QUIET" != "1" ] && _warn "error occured while rsync: -> $RIGHT"
	RETVAL=1
fi

# end time
_endMeasureTime=$($STA_NOWTIME)
_diffMeasure=$(elapsedTime $_startMeasureTime $_endMeasureTime)
_log "Backup job done in $_diffMeasure seconds."

__clean_locks

# Force remove drive from OS/spin down
if [ "$SPINDRIVE" == "1" ]; then
	drive_remove
	_RETVAL=$?
	if [ $_RETVAL -eq 0 ]; then
		_log "Disk disabled"
	else
		_warn "Failed while trying to disable disk drive"
	fi
fi

[ $RETVAL -ne 0 ] && _err "Errors occured."
exit $RETVAL

# Parent process has died so we also better die.
exit 0


Rezultat
Musze się pochwalić po jednym dniu działania skryptu.
Upload 2015 5 4 19 24 58


Docelowo ma wyłączać fizycznie dysk po wykonaniu kopii i ponownie go przywrócić... Ale... jeszcze nie jest to do końca zaimplementowane. Ale skrypt śmiało możecie używać jeśli cenicie sobie bezpieczeństwo danych.

Brakuje regułki przywracającej wolumin:
Bash:
[~] # df
Filesystem                Size      Used Available Use% Mounted on
none                    200.0M    148.0M     52.0M  74% /
devtmpfs                  1.9G      4.0k      1.9G   0% /dev
tmpfs                    64.0M      3.6M     60.4M   6% /tmp
tmpfs                     1.9G      4.0k      1.9G   0% /dev/shm
/dev/md9                509.5M    108.2M    401.3M  21% /mnt/HDA_ROOT
/dev/mapper/cachedev1     6.8T     28.2G      6.7T   0% /share/CACHEDEV1_DATA
/dev/md13               371.0M    282.3M     88.7M  76% /mnt/ext
/dev/mapper/cachedev2   909.0G     76.0M    908.5G   0% /share/CACHEDEV2_DATA
[~] # umount /dev/mapper/cachedev2
[~] # dmsetup remove cachedev2
[~] # vgchange -an vg2
  0 logical volume(s) in volume group "vg2" now active
[~] # lvs
  LV    VG   Attr     LSize   Pool Origin Data%  Move Log Copy%  Convert
  lv1   vg1  Vwi-aot-   6.80t tp1         100.00
  lv544 vg1  -wi-----  20.00g
  tp1   vg1  twi-a-t-   7.22t              94.13
  lv2   vg2  -wi----- 912.80g
  lv545 vg2  -wi-----   9.22g
[~] # mdadm -S /dev/md2
mdadm: stopped /dev/md2
[~] #
[~] # echo 1 > /sys/block/sde/device/delete

Bash:
[~] # echo "0 0 0" > /sys/class/scsi_host/host3/scan
[~] #
[~] # storage_util --sys_startup_p2
sys_startup_p2:got called count = 3
Perform NAS model checking...
NAS model match, skip model migration.

[~] # df
Filesystem                Size      Used Available Use% Mounted on
none                    200.0M    148.1M     51.9M  74% /
devtmpfs                  1.9G      4.0k      1.9G   0% /dev
tmpfs                    64.0M      3.6M     60.4M   6% /tmp
tmpfs                     1.9G      4.0k      1.9G   0% /dev/shm
/dev/md9                509.5M    108.2M    401.3M  21% /mnt/HDA_ROOT
/dev/mapper/cachedev1     6.8T     28.2G      6.7T   0% /share/CACHEDEV1_DATA
/dev/md13               371.0M    282.3M     88.7M  76% /mnt/ext
/dev/mapper/cachedev2   909.0G     76.0M    908.5G   0% /share/CACHEDEV2_DATA
 
TODO:
Daniel Orme napisał:
Hi Mariusz,

Your volume is LVM type:
Kod:
/dev/mapper/cachedev3 on /share/CACHEDEV3_DATA

But you unmount it by disk device name in the script:
Bash:
umount /dev/$_device

I think this may be the problem, you should unmount by the cachedev name, then teardown LVM layers and RAID before deleting the disk device.

I made a test with a static volume (cachedev2) on single disk (sde), it seems to work OK:
Bash:
df
Kod:
Filesystem                Size      Used Available Use% Mounted on
none                    200.0M    148.0M     52.0M  74% /
devtmpfs                  1.9G      4.0k      1.9G   0% /dev
tmpfs                    64.0M      3.6M     60.4M   6% /tmp
tmpfs                     1.9G      4.0k      1.9G   0% /dev/shm
/dev/md9                509.5M    108.2M    401.3M  21% /mnt/HDA_ROOT
/dev/mapper/cachedev1     6.8T     28.2G      6.7T   0% /share/CACHEDEV1_DATA
/dev/md13               371.0M    282.3M     88.7M  76% /mnt/ext
/dev/mapper/cachedev2   909.0G     76.0M    908.5G   0% /share/CACHEDEV2_DATA

Bash:
umount /dev/mapper/cachedev2
dmsetup remove cachedev2
vgchange -an vg2
0 logical volume(s) in volume group "vg2" now active
Bash:
lvs
Kod:
  LV    VG   Attr     LSize   Pool Origin Data%  Move Log Copy%  Convert
  lv1   vg1  Vwi-aot-   6.80t tp1         100.00
  lv544 vg1  -wi-----  20.00g
  tp1   vg1  twi-a-t-   7.22t              94.13
  lv2   vg2  -wi----- 912.80g
  lv545 vg2  -wi-----   9.22g
Bash:
mdadm -S /dev/md2
Kod:
mdadm: stopped /dev/md2

(remove disk device)
Bash:
echo 1 > /sys/block/sde/device/delete
At this point, sde has been removed from /etc/enclosure_0.conf, and disk is offline.

(readd disk device)
Bash:
echo "0 0 0" > /sys/class/scsi_host/host?/scan

Bash:
storage_util --sys_startup_p2
sys_startup_p2:got called count = 3
Perform NAS model checking...
NAS model match, skip model migration.
Bash:
df
Filesystem Size Used Available Use% Mounted on
none 200.0M 148.1M 51.9M 74% /
devtmpfs 1.9G 4.0k 1.9G 0% /dev
tmpfs 64.0M 3.6M 60.4M 6% /tmp
tmpfs 1.9G 4.0k 1.9G 0% /dev/shm
/dev/md9 509.5M 108.2M 401.3M 21% /mnt/HDA_ROOT
/dev/mapper/cachedev1 6.8T 28.2G 6.7T 0% /share/CACHEDEV1_DATA
/dev/md13 371.0M 282.3M 88.7M 76% /mnt/ext
/dev/mapper/cachedev2 909.0G 76.0M 908.5G 0% /share/CACHEDEV2_DATA

Best Regards,

Daniel Orme
QNAP Systems, Inc.

Website: http://www.qnap.com/
Forum: QNAP NAS Community Forum • Board
Wiki: QNAPedia
 

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