查看inode数量
df -ih
查看磁盘信息
tune2fs -l /dev/sdc1
查看相关目录信息
/data/osd.3/bean_test/7/8/9# debugfs /dev/sdc2
debugfs /dev/sdc2 -R "htree bean_test/7/8/9"
查看mkfs默认配置
cat /etc/mke2fs.conf
增加inode数量
```
Using mkfs -t ext4 -N iNumberOfINodes /dev/XdY where iNumberOfINodes is a 32-bit number so the maximum possible number of inodes on any ext2/3/4 file system is 2^32-1, or 4,294,967,295 (~4 billion).
```