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Synced xtrabackup SST fixes from Percona tree (as of PXC 5.6.24-25.11 release). This fixes/adresses the following LP bugs:

Browse Source 
- LP1380697: wsrep_sst_xtrabackup-v2 doesn't stop when mysql is SIGKILLed. (full fix for this (as engineeered by Percona) requires Linux-specific patch that we don't carry, but keep xtrabackup scripts as close as possible)
  - LP1399134: Log the innobackupex/SST logs in SST to syslog if possible. (fixed)
  - LP1405668: Race condition between donor and joiner in PXB SST. (fixed)
  - LP1405985: Fail early if xtrabackup_checkkpoints is missing. (fixed)
  - LP1407599: wsrep_sst_xtrabackup-v2 script causes innobackupex to print a false positive stack trace into the log. (fixed)
  - LP1441762: IST Fails with SST script error. (fixed)
  - LP1451670: Fail when move-back fails in xtrabackup SST. (fixed)
This commit is contained in:
Alexey Yurchenko 2015-06-06 01:38:07 +03:00 committed by Nirbhay Choubey
parent d78110e7fa
commit a7ea3ec34d
3 changed files with 214 additions and 108 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
scripts/wsrep_sst_common.sh
View File

@ -19,6 +19,8 @@
set -u
WSREP_SST_OPT_BYPASS=0
WSREP_SST_OPT_BINLOG=""
WSREP_SST_OPT_CONF_SUFFIX=""
WSREP_SST_OPT_DATA=""
WSREP_SST_OPT_AUTH=${WSREP_SST_OPT_AUTH:-}
WSREP_SST_OPT_USER=${WSREP_SST_OPT_USER:-}
@ -41,6 +43,10 @@ case "$1" in
readonly WSREP_SST_OPT_CONF="$2"
shift
;;
'--defaults-group-suffix')
WSREP_SST_OPT_CONF_SUFFIX="$2"
shift
;;
'--host')
readonly WSREP_SST_OPT_HOST="$2"
shift
@ -77,6 +83,10 @@ case "$1" in
readonly WSREP_SST_OPT_GTID="$2"
shift
;;
'--binlog')
WSREP_SST_OPT_BINLOG="$2"
shift
;;
*) # must be command
# usage
# exit 1
@ -85,6 +95,8 @@ esac
shift
done
readonly WSREP_SST_OPT_BYPASS
readonly WSREP_SST_OPT_BINLOG
readonly WSREP_SST_OPT_CONF_SUFFIX
# try to use my_print_defaults, mysql and mysqldump that come with the sources
# (for MTR suite)

304
scripts/wsrep_sst_xtrabackup-v2.sh
View File

@ -29,6 +29,8 @@ ekeyfile=""
encrypt=0
nproc=1
ecode=0
ssyslog=""
ssystag=""
XTRABACKUP_PID=""
SST_PORT=""
REMOTEIP=""
@ -40,15 +42,15 @@ progress=""
ttime=0
totime=0
lsn=""
incremental=0
ecmd=""
rlimit=""
# Initially
stagemsg="${WSREP_SST_OPT_ROLE}"
cpat=""
speciald=0
speciald=1
ib_home_dir=""
ib_log_dir=""
ib_undo_dir=""
sfmt="tar"
strmcmd=""
@ -70,6 +72,11 @@ xtmpdir=""
scomp=""
sdecomp=""
# Required for backup locks
# For backup locks it is 1 sent by joiner
# 5.6.21 PXC and later can't donate to an older joiner
sst_ver=1
if which pv &>/dev/null && pv --help | grep -q FORMAT;then
pvopts+=$pvformat
fi
@ -168,7 +175,11 @@ get_transfer()
fi
wsrep_log_info "Using netcat as streamer"
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
tcmd="nc -dl ${TSST_PORT}"
if nc -h | grep -q ncat;then
tcmd="nc -l ${TSST_PORT}"
else
tcmd="nc -dl ${TSST_PORT}"
fi
else
tcmd="nc ${REMOTEIP} ${TSST_PORT}"
fi
@ -252,6 +263,16 @@ get_footprint()
adjust_progress()
{
if [[ ! -x `which pv` ]];then
wsrep_log_error "pv not found in path: $PATH"
wsrep_log_error "Disabling all progress/rate-limiting"
pcmd=""
rlimit=""
progress=""
return
fi
if [[ -n $progress && $progress != '1' ]];then
if [[ -e $progress ]];then
pcmd+=" 2>>$progress"
@ -281,8 +302,7 @@ read_cnf()
progress=$(parse_cnf sst progress "")
rebuild=$(parse_cnf sst rebuild 0)
ttime=$(parse_cnf sst time 0)
cpat=$(parse_cnf sst cpat '.*galera\.cache$\|.*sst_in_progress$\|.*grastate\.dat$\|.*gvwstate\.dat$\|.*\.err$\|.*\.log$\|.*RPM_UPGRADE_MARKER$\|.*RPM_UPGRADE_HISTORY$')
incremental=$(parse_cnf sst incremental 0)
cpat=$(parse_cnf sst cpat '.*galera\.cache$\|.*sst_in_progress$\|.*\.sst$\|.*gvwstate\.dat$\|.*grastate\.dat$\|.*\.err$\|.*\.log$\|.*RPM_UPGRADE_MARKER$\|.*RPM_UPGRADE_HISTORY$')
ealgo=$(parse_cnf xtrabackup encrypt "")
ekey=$(parse_cnf xtrabackup encrypt-key "")
ekeyfile=$(parse_cnf xtrabackup encrypt-key-file "")
@ -297,12 +317,26 @@ read_cnf()
ekeyfile=$(parse_cnf sst encrypt-key-file "")
fi
rlimit=$(parse_cnf sst rlimit "")
uextra=$(parse_cnf sst use_extra 0)
uextra=$(parse_cnf sst use-extra 0)
speciald=$(parse_cnf sst sst-special-dirs 1)
iopts=$(parse_cnf sst inno-backup-opts "")
iapts=$(parse_cnf sst inno-apply-opts "")
impts=$(parse_cnf sst inno-move-opts "")
stimeout=$(parse_cnf sst sst-initial-timeout 100)
ssyslog=$(parse_cnf sst sst-syslog 0)
ssystag=$(parse_cnf mysqld_safe syslog-tag "${SST_SYSLOG_TAG:-}")
ssystag+="-"
if [[ $speciald -eq 0 ]];then
wsrep_log_error "sst-special-dirs equal to 0 is not supported, falling back to 1"
speciald=1
fi
if [[ $ssyslog -ne -1 ]];then
if my_print_defaults -c $WSREP_SST_OPT_CONF mysqld_safe | tr '_' '-' | grep -q -- "--syslog";then
ssyslog=1
fi
fi
}
get_stream()
@ -346,8 +380,7 @@ cleanup_joiner()
local estatus=$?
if [[ $estatus -ne 0 ]];then
wsrep_log_error "Cleanup after exit with status:$estatus"
fi
if [ "${WSREP_SST_OPT_ROLE}" = "joiner" ];then
elif [ "${WSREP_SST_OPT_ROLE}" = "joiner" ];then
wsrep_log_info "Removing the sst_in_progress file"
wsrep_cleanup_progress_file
fi
@ -358,6 +391,23 @@ cleanup_joiner()
if [[ -n ${STATDIR:-} ]];then
[[ -d $STATDIR ]] && rm -rf $STATDIR
fi
# Final cleanup
pgid=$(ps -o pgid= $$ | grep -o '[0-9]*')
# This means no setsid done in mysqld.
# We don't want to kill mysqld here otherwise.
if [[ $$ -eq $pgid ]];then
# This means a signal was delivered to the process.
# So, more cleanup.
if [[ $estatus -ge 128 ]];then
kill -KILL -$$ || true
fi
fi
exit $estatus
}
check_pid()
@ -398,6 +448,24 @@ cleanup_donor()
if [[ -n $itmpdir ]];then
[[ -d $itmpdir ]] && rm -rf $itmpdir || true
fi
# Final cleanup
pgid=$(ps -o pgid= $$ | grep -o '[0-9]*')
# This means no setsid done in mysqld.
# We don't want to kill mysqld here otherwise.
if [[ $$ -eq $pgid ]];then
# This means a signal was delivered to the process.
# So, more cleanup.
if [[ $estatus -ge 128 ]];then
kill -KILL -$$ || true
fi
fi
exit $estatus
}
kill_xtrabackup()
@ -414,6 +482,7 @@ setup_ports()
SST_PORT=$(echo $WSREP_SST_OPT_ADDR | awk -F '[:/]' '{ print $2 }')
REMOTEIP=$(echo $WSREP_SST_OPT_ADDR | awk -F ':' '{ print $1 }')
lsn=$(echo $WSREP_SST_OPT_ADDR | awk -F '[:/]' '{ print $4 }')
sst_ver=$(echo $WSREP_SST_OPT_ADDR | awk -F '[:/]' '{ print $5 }')
else
SST_PORT=$(echo ${WSREP_SST_OPT_ADDR} | awk -F ':' '{ print $2 }')
fi
@ -431,11 +500,7 @@ wait_for_listen()
ss -p state listening "( sport = :$PORT )" | grep -qE 'socat|nc' && break
sleep 0.2
done
if [[ $incremental -eq 1 ]];then
echo "ready ${ADDR}/${MODULE}/$lsn"
else
echo "ready ${ADDR}/${MODULE}"
fi
echo "ready ${ADDR}/${MODULE}//$sst_ver"
}
check_extra()
@ -443,7 +508,7 @@ check_extra()
local use_socket=1
if [[ $uextra -eq 1 ]];then
if $MY_PRINT_DEFAULTS -c $WSREP_SST_OPT_CONF mysqld | tr '_' '-' | grep -- "--thread-handling=" | grep -q 'pool-of-threads';then
local eport=$($MY_PRINT_DEFAULTS -c $WSREP_SST_OPT_CONF mysqld | tr '_' '-' | grep -- "--extra-port=" | cut -d= -f2)
local eport=$(my_print_defaults -c $WSREP_SST_OPT_CONF mysqld | tr '_' '-' | grep -- "--extra-port=" | cut -d= -f2)
if [[ -n $eport ]];then
# Xtrabackup works only locally.
# Hence, setting host to 127.0.0.1 unconditionally.
@ -468,8 +533,14 @@ recv_joiner()
local dir=$1
local msg=$2
local tmt=$3
local checkf=$4
local ltcmd
if [[ ! -d ${dir} ]];then
# This indicates that IST is in progress
return
fi
pushd ${dir} 1>/dev/null
set +e
@ -477,7 +548,7 @@ recv_joiner()
if timeout --help | grep -q -- '-k';then
ltcmd="timeout -k $(( tmt+10 )) $tmt $tcmd"
else
ltcmd="timeout $tmt $tcmd"
ltcmd="timeout -s9 $tmt $tcmd"
fi
timeit "$msg" "$ltcmd | $strmcmd; RC=( "\${PIPESTATUS[@]}" )"
else
@ -500,7 +571,7 @@ recv_joiner()
fi
done
if [ ! -r "${MAGIC_FILE}" ];then
if [[ $checkf -eq 1 && ! -r "${MAGIC_FILE}" ]];then
# this message should cause joiner to abort
wsrep_log_error "xtrabackup process ended without creating '${MAGIC_FILE}'"
wsrep_log_info "Contents of datadir"
@ -546,18 +617,52 @@ fi
read_cnf
setup_ports
get_stream
get_transfer
if ${INNOBACKUPEX_BIN} /tmp --help | grep -- '--version-check' >/dev/null ; then
if ${INNOBACKUPEX_BIN} /tmp --help 2>/dev/null | grep -q -- '--version-check'; then
disver="--no-version-check"
fi
if [[ ${FORCE_FTWRL:-0} -eq 1 ]];then
wsrep_log_info "Forcing FTWRL due to environment variable FORCE_FTWRL equal to $FORCE_FTWRL"
iopts+=" --no-backup-locks "
fi
INNOEXTRA=""
INNOAPPLY="${INNOBACKUPEX_BIN} $disver $iapts --apply-log \$rebuildcmd \${DATA} &>\${DATA}/innobackup.prepare.log"
INNOMOVE="${INNOBACKUPEX_BIN} --defaults-file=${WSREP_SST_OPT_CONF} $disver $impts --move-back --force-non-empty-directories \${DATA} &>\${DATA}/innobackup.move.log"
INNOBACKUP="${INNOBACKUPEX_BIN} --defaults-file=${WSREP_SST_OPT_CONF} $disver $iopts \$tmpopts \$INNOEXTRA --galera-info --stream=\$sfmt \$itmpdir 2>\${DATA}/innobackup.backup.log"
if [[ $ssyslog -eq 1 ]];then
if [[ ! -x `which logger` ]];then
wsrep_log_error "logger not in path: $PATH. Ignoring"
else
wsrep_log_info "Logging all stderr of SST/Innobackupex to syslog"
exec 2> >(logger -p daemon.err -t ${ssystag}wsrep-sst-$WSREP_SST_OPT_ROLE)
wsrep_log_error()
{
logger -p daemon.err -t ${ssystag}wsrep-sst-$WSREP_SST_OPT_ROLE "$@"
}
wsrep_log_info()
{
logger -p daemon.info -t ${ssystag}wsrep-sst-$WSREP_SST_OPT_ROLE "$@"
}
INNOAPPLY="${INNOBACKUPEX_BIN} $disver $iapts --apply-log \$rebuildcmd \${DATA} 2>&1 | logger -p daemon.err -t ${ssystag}innobackupex-apply "
INNOMOVE="${INNOBACKUPEX_BIN} --defaults-file=${WSREP_SST_OPT_CONF} $disver $impts --move-back --force-non-empty-directories \${DATA} 2>&1 | logger -p daemon.err -t ${ssystag}innobackupex-move "
INNOBACKUP="${INNOBACKUPEX_BIN} --defaults-file=${WSREP_SST_OPT_CONF} $disver $iopts \$tmpopts \$INNOEXTRA --galera-info --stream=\$sfmt \$itmpdir 2> >(logger -p daemon.err -t ${ssystag}innobackupex-backup)"
fi
else
INNOAPPLY="${INNOBACKUPEX_BIN} $disver $iapts --apply-log \$rebuildcmd \${DATA} &>\${DATA}/innobackup.prepare.log"
INNOMOVE="${INNOBACKUPEX_BIN} --defaults-file=${WSREP_SST_OPT_CONF} --defaults-group=mysqld${WSREP_SST_OPT_CONF_SUFFIX} $disver $impts --move-back --force-non-empty-directories \${DATA} &>\${DATA}/innobackup.move.log"
INNOBACKUP="${INNOBACKUPEX_BIN} --defaults-file=${WSREP_SST_OPT_CONF} --defaults-group=mysqld${WSREP_SST_OPT_CONF_SUFFIX} $disver $iopts \$tmpopts \$INNOEXTRA --galera-info --stream=\$sfmt \$itmpdir 2>\${DATA}/innobackup.backup.log"
fi
get_stream
get_transfer
if [ "$WSREP_SST_OPT_ROLE" = "donor" ]
then
@ -565,6 +670,11 @@ then
if [ $WSREP_SST_OPT_BYPASS -eq 0 ]
then
if [[ -z $sst_ver ]];then
wsrep_log_error "Upgrade joiner to 5.6.21 or higher for backup locks support"
wsrep_log_error "The joiner is not supported for this version of donor"
exit 93
fi
if [[ -z $(parse_cnf mysqld tmpdir "") && -z $(parse_cnf xtrabackup tmpdir "") ]];then
xtmpdir=$(mktemp -d)
@ -596,9 +706,6 @@ then
fi
fi
if [[ -n $lsn ]];then
INNOEXTRA+=" --incremental --incremental-lsn=$lsn "
fi
check_extra
@ -686,29 +793,12 @@ then
[[ -e $SST_PROGRESS_FILE ]] && wsrep_log_info "Stale sst_in_progress file: $SST_PROGRESS_FILE"
[[ -n $SST_PROGRESS_FILE ]] && touch $SST_PROGRESS_FILE
if [[ $speciald -eq 1 ]];then
wsrep_log_info "WARNING: sst-special-dirs feature requires PXC 2.1.6 or latter."
fi
if [[ $speciald -eq 1 ]];then
ib_home_dir=$(parse_cnf mysqld innodb-data-home-dir "")
ib_log_dir=$(parse_cnf mysqld innodb-log-group-home-dir "")
if [[ -z $ib_home_dir && -z $ib_log_dir ]];then
speciald=0
fi
fi
ib_home_dir=$(parse_cnf mysqld innodb-data-home-dir "")
ib_log_dir=$(parse_cnf mysqld innodb-log-group-home-dir "")
ib_undo_dir=$(parse_cnf mysqld innodb-undo-directory "")
stagemsg="Joiner-Recv"
if [[ ! -e ${DATA}/ibdata1 ]];then
incremental=0
fi
if [[ $incremental -eq 1 ]];then
wsrep_log_info "Incremental SST enabled: NOT SUPPORTED yet"
lsn=$(grep to_lsn xtrabackup_checkpoints | cut -d= -f2 | tr -d ' ')
wsrep_log_info "Recovered LSN: $lsn"
fi
sencrypted=1
nthreads=1
@ -737,12 +827,6 @@ then
tcmd+=" | $pcmd"
fi
if [[ $incremental -eq 1 ]];then
BDATA=$DATA
DATA=$(mktemp -d)
MAGIC_FILE="${DATA}/${INFO_FILE}"
fi
get_keys
if [[ $encrypt -eq 1 && $sencrypted -eq 1 ]];then
if [[ -n $sdecomp ]];then
@ -756,7 +840,8 @@ then
STATDIR=$(mktemp -d)
MAGIC_FILE="${STATDIR}/${INFO_FILE}"
recv_joiner $STATDIR "${stagemsg}-gtid" $stimeout
recv_joiner $STATDIR "${stagemsg}-gtid" $stimeout 1
if ! ps -p ${WSREP_SST_OPT_PARENT} &>/dev/null
then
@ -766,50 +851,48 @@ then
if [ ! -r "${STATDIR}/${IST_FILE}" ]
then
if [[ -d ${DATA}/.sst ]];then
wsrep_log_info "WARNING: Stale temporary SST directory: ${DATA}/.sst from previous state transfer"
fi
mkdir -p ${DATA}/.sst
(recv_joiner $DATA/.sst "${stagemsg}-SST" 0 0) &
jpid=$!
wsrep_log_info "Proceeding with SST"
if [[ $speciald -eq 1 && -d ${DATA}/.sst ]];then
wsrep_log_info "WARNING: Stale temporary SST directory: ${DATA}/.sst from previous SST"
fi
if [[ $incremental -ne 1 ]];then
if [[ $speciald -eq 1 ]];then
wsrep_log_info "Cleaning the existing datadir and innodb-data/log directories"
find $ib_home_dir $ib_log_dir $DATA -mindepth 1 -regex $cpat -prune -o -exec rm -rfv {} 1>&2 \+
else
wsrep_log_info "Cleaning the existing datadir"
find $DATA -mindepth 1 -regex $cpat -prune -o -exec rm -rfv {} 1>&2 \+
wsrep_log_info "Cleaning the existing datadir and innodb-data/log directories"
find $ib_home_dir $ib_log_dir $ib_undo_dir $DATA -mindepth 1 -regex $cpat -prune -o -exec rm -rfv {} 1>&2 \+
tempdir=$(parse_cnf mysqld log-bin "")
if [[ -n ${tempdir:-} ]];then
binlog_dir=$(dirname $tempdir)
binlog_file=$(basename $tempdir)
if [[ -n ${binlog_dir:-} && $binlog_dir != '.' && $binlog_dir != $DATA ]];then
pattern="$binlog_dir/$binlog_file\.[0-9]+$"
wsrep_log_info "Cleaning the binlog directory $binlog_dir as well"
find $binlog_dir -maxdepth 1 -type f -regex $pattern -exec rm -fv {} 1>&2 \+ || true
rm $binlog_dir/*.index || true
fi
tempdir=$(parse_cnf mysqld log-bin "")
if [[ -n ${tempdir:-} ]];then
binlog_dir=$(dirname $tempdir)
binlog_file=$(basename $tempdir)
if [[ -n ${binlog_dir:-} && $binlog_dir != '.' && $binlog_dir != $DATA ]];then
pattern="$binlog_dir/$binlog_file\.[0-9]+$"
wsrep_log_info "Cleaning the binlog directory $binlog_dir as well"
find $binlog_dir -maxdepth 1 -type f -regex $pattern -exec rm -fv {} 1>&2 \+
rm $binlog_dir/*.index || true
fi
fi
else
wsrep_log_info "Removing existing ib_logfile files"
rm -f ${BDATA}/ib_logfile*
fi
if [[ $speciald -eq 1 ]];then
mkdir -p ${DATA}/.sst
TDATA=${DATA}
DATA="${DATA}/.sst"
fi
TDATA=${DATA}
DATA="${DATA}/.sst"
MAGIC_FILE="${DATA}/${INFO_FILE}"
recv_joiner $DATA "${stagemsg}-SST" 0
wsrep_log_info "Waiting for SST streaming to complete!"
wait $jpid
get_proc
if [[ ! -s ${DATA}/xtrabackup_checkpoints ]];then
wsrep_log_error "xtrabackup_checkpoints missing, failed innobackupex/SST on donor"
exit 2
fi
# Rebuild indexes for compact backups
if grep -q 'compact = 1' ${DATA}/xtrabackup_checkpoints;then
wsrep_log_info "Index compaction detected"
@ -864,12 +947,24 @@ then
fi
fi
if [[ $incremental -eq 1 ]];then
# Added --ibbackup=xtrabackup_55 because it fails otherwise citing connection issues.
INNOAPPLY="${INNOBACKUPEX_BIN} --defaults-file=${WSREP_SST_OPT_CONF} \
--ibbackup=xtrabackup_55 --apply-log $rebuildcmd --redo-only $BDATA --incremental-dir=${DATA} &>>${BDATA}/innobackup.prepare.log"
if [[ ! -z $WSREP_SST_OPT_BINLOG ]];then
BINLOG_DIRNAME=$(dirname $WSREP_SST_OPT_BINLOG)
BINLOG_FILENAME=$(basename $WSREP_SST_OPT_BINLOG)
# To avoid comparing data directory and BINLOG_DIRNAME
mv $DATA/${BINLOG_FILENAME}.* $BINLOG_DIRNAME/ 2>/dev/null || true
pushd $BINLOG_DIRNAME &>/dev/null
for bfiles in $(ls -1 ${BINLOG_FILENAME}.*);do
echo ${BINLOG_DIRNAME}/${bfiles} >> ${BINLOG_FILENAME}.index
done
popd &> /dev/null
fi
wsrep_log_info "Preparing the backup at ${DATA}"
timeit "Xtrabackup prepare stage" "$INNOAPPLY"
@ -879,28 +974,22 @@ then
exit 22
fi
if [[ $speciald -eq 1 ]];then
MAGIC_FILE="${TDATA}/${INFO_FILE}"
set +e
rm $TDATA/innobackup.prepare.log $TDATA/innobackup.move.log
set -e
wsrep_log_info "Moving the backup to ${TDATA}"
timeit "Xtrabackup move stage" "$INNOMOVE"
if [[ $? -eq 0 ]];then
wsrep_log_info "Move successful, removing ${DATA}"
rm -rf $DATA
DATA=${TDATA}
else
wsrep_log_error "Move failed, keeping ${DATA} for further diagnosis"
wsrep_log_error "Check ${DATA}/innobackup.move.log for details"
fi
MAGIC_FILE="${TDATA}/${INFO_FILE}"
set +e
rm $TDATA/innobackup.prepare.log $TDATA/innobackup.move.log
set -e
wsrep_log_info "Moving the backup to ${TDATA}"
timeit "Xtrabackup move stage" "$INNOMOVE"
if [[ $? -eq 0 ]];then
wsrep_log_info "Move successful, removing ${DATA}"
rm -rf $DATA
DATA=${TDATA}
else
wsrep_log_error "Move failed, keeping ${DATA} for further diagnosis"
wsrep_log_error "Check ${DATA}/innobackup.move.log for details"
exit 22
fi
if [[ $incremental -eq 1 ]];then
wsrep_log_info "Cleaning up ${DATA} after incremental SST"
[[ -d ${DATA} ]] && rm -rf ${DATA}
DATA=$BDATA
fi
else
wsrep_log_info "${IST_FILE} received from donor: Running IST"
@ -910,6 +999,7 @@ then
wsrep_log_error "SST magic file ${MAGIC_FILE} not found/readable"
exit 2
fi
wsrep_log_info "Galera co-ords from recovery: $(cat ${MAGIC_FILE})"
cat "${MAGIC_FILE}" # output UUID:seqno
wsrep_log_info "Total time on joiner: $totime seconds"
fi

6
scripts/wsrep_sst_xtrabackup.sh
View File

@ -149,7 +149,11 @@ get_transfer()
fi
wsrep_log_info "Using netcat as streamer"
if [[ "$WSREP_SST_OPT_ROLE" == "joiner" ]];then
tcmd="nc -dl ${TSST_PORT}"
if nc -h | grep -q ncat;then
tcmd="nc -l ${TSST_PORT}"
else
tcmd="nc -dl ${TSST_PORT}"
fi
else
tcmd="nc ${REMOTEIP} ${TSST_PORT}"
fi