|
en
FULL=`ls -t $FULLBACKUP_DIR |head -1`
FULLBACKUP=${intpu_res}/$FULL
echo "还原完全备份:`basename $FULLBACKUP`"
echo
else
################判断还原增量备份部分还是所有################
if [ "$ipname" = '' ];then
if [ $PARENT_DIR = $INCRBACKUP_DIR ]; then
FULL=`ls -t $FULLBACKUP_DIR |head -1`
FULLBACKUP=$FULLBACKUP_DIR/$FULL
if [ ! -d $FULLBACKUP ]; then
error "全备:$FULLBACKUP不存在."
fi
INCR=`ls -t $INCRBACKUP_DIR/$FULL/ |sort -nr | head -1 ` #查找最后一个增量备份文件
echo "还原将从全备全备$FULL开始,到增量$INCR结束."
echo
echo "Prepare:完整备份..........."
echo "*****************************"
$INNOBACKUPEX_PATH --defaults-file=$MY_CNF --apply-log --redo-only --use-memory=$MEMORY $FULLBACKUP > $TMP_LOG 2>&1
check_innobackupex_fail
# Prepare增量备份集,即将增量备份应用到全备目录中,按照增量备份顺序即按照时间从旧到最新
for i in `find $PARENT_DIR/$FULL -mindepth 1 -maxdepth 1 -type d -printf "%P\n" | sort -n `;
do
#判断最新全备的lsn
#check_full_file=`find $FULLBACKUP/ -mindepth 1 -maxdepth 1 -type d -printf "%P\n" | sort -nr | head -1`
check_full_lastlsn=$FULLBACKUP/xtrabackup_checkpoints
fetch_full_lastlsn=`grep -i "^last_lsn" ${check_full_lastlsn} |cut -d = -f 2`
######判断增量备份中第一个增量备份的LSN
#check_incre_file=`find $PARENT_DIR/$FULL -mindepth 1 -maxdepth 1 -type d -printf "%P\n" | sort -n | head -1`
check_incre_lastlsn=$PARENT_DIR/$FULL/$i/xtrabackup_checkpoints
fetch_incre_lastlsn=`grep -i "^last_lsn" ${check_incre_lastlsn} |cut -d = -f 2`
echo "完全备份$FULLBACKUP的LSN值:${fetch_full_lastlsn} "
echo "增量备份$i的LSN值:${fetch_incre_lastlsn} "
if [ "${fetch_incre_lastlsn}" -eq "${fetch_full_lastlsn}" ];then
echo "*****************************************"
echo "LSN相等,不需要prepare!"
echo "*****************************************"
echo
break
else
echo "Prepare:增量备份集$i........"
echo "*****************************"
$INNOBACKUPEX_PATH --defaults-file=$MY_CNF --apply-log --redo-only --use-memory=$MEMORY $FULLBACKUP --incremental-dir=$PARENT_DIR/$FULL/$i > $TMP_LOG 2>&1
check_innobackupex_fail
if [ $INCR = $i ]; then
break
fi
fi
######判断LSN
done
else
error "未知的备份类型"
fi
else
FULL=`ls -t $FULLBACKUP_DIR |head -1`
FULLBACKUP=$FULLBACKUP_DIR/$FULL
echo "Prepare:完整备份..........."
echo "*****************************"
$INNOBACKUPEX_PATH --defaults-file=$MY_CNF --apply-log --redo-only --use-memory=$MEMORY $FULLBACKUP > $TMP_LOG 2>&1
check_innobackupex_fail
ipt=`stat -c=%Z $PARENT_DIR/$FULL/$ipname |cut -d = -f 2`
echo "还原的指定增量目录文件$ipname的纪元时间为:$ipt"
for i in `find $PARENT_DIR/$FULL -mindepth 1 -maxdepth 1 -type d -printf "%P\n" | sort -n `;
do
f01=`stat -c=%Z $PARENT_DIR/$FULL/$i |cut -d = -f 2`
if [ "$f01" -le "$ipt" ]; then
if [ $PARENT_DIR = $INCRBACKUP_DIR ]; then
if [ ! -d $FULLBACKUP ]; then
error "全备:$FULLBACKUP不存在."
fi
#INCR=`ls -t $INCRBACKUP_DIR/$FULL/ |sort -nr | head -1`
echo "还原将从全备$FULL开始,到增量$ipname结束."
echo
#判断最新全备的lsn
#check_full_file=`find $FULLBACKUP/ -mindepth 1 -maxdepth 1 -type d -printf "%P\n" | sort -nr | head -1`
check_full_lastlsn=$FULLBACKUP/xtrabackup_checkpoints
fetch_full_lastlsn=`grep -i "^last_lsn" ${check_full_lastlsn} |cut -d = -f 2`
######判断增量备份中第一个增量备份的LSN
check_incre_file=`find $PARENT_DIR/$FULL -mindepth 1 -maxdepth 1 -type d -printf |