系统显示逻辑日志和备份的地点都是/home/informix/etc/backup
cat onconfig.prod | grep -i tape
# ontape Tape Device Configuration Parameters
# TAPEDEV - The tape device path for backups. To use standard
# TAPEBLK - The tape block size, in KB, for backups
# TAPESIZE - The maximum amount of data to put on one backup
# tape. Acceptable values are 0 (unlimited) or any
# positive integral multiple of TAPEBLK.
TAPEDEV /home/informix/etc/backup
TAPEBLK 32
TAPESIZE 0
# ontape Logial Log Tape Device Configuration Parameters
# LTAPEDEV - The tape device path for logical logs
# LTAPEBLK - The tape block size, in KB, for backing up logical
# LTAPESIZE - The maximum amount of data to put on one logical
# log tape. Acceptable values are 0 (unlimited) or any
# positive integral multiple of LTAPEBLK.
LTAPEDEV /home/informix/etc/backup
LTAPEBLK 32
LTAPESIZE 0
执行备份命令，执行这个命令很快，就2秒钟就结束了
onbar -b -w
发现这个目录下是空的
/home/informix/etc/backup>pwd
/home/informix/etc/backup
收起