功能： 導出文件系統內部相關信息，例如超級塊、inode、block信息 選項： -h 僅僅打印超級塊信息 范例： 1） 查看系統的inode信息 [root@fenfa test]# dumpe2fs /dev/vdc1|egrep -i "inode size|inode count" dumpe2fs 1.41.12 (17-May-2010) Inode count: 122400---單位：個 Inode size: 128 -----boot分區默認128字節 [root@fenfa test]# dumpe2fs /dev/vdb1|egrep -i "inode size|inode count" dumpe2fs 1.41.12 (17-May-2010) Inode count: 131328 Inode size: 256 ---普通分區默認256字節 查看系統的block信息 [root@fenfa test]# dumpe2fs /dev/vdc1|egrep -i "block count|block size" dumpe2fs 1.41.12 (17-May-2010) Block count: 488264 Reserved block count: 24413 Block size: 1024 boot分區1024 You have mail in /var/spool/mail/root You have mail in /var/spool/mail/root [root@fenfa test]# dumpe2fs /dev/vdb1|egrep -i "block count|block size" dumpe2fs 1.41.12 (17-May-2010) Block count: 524288 Reserved block count: 26220 Block size: 4096 普通分區4K