爱华网一、原因：机器上面有两块硬盘，其中一块可用状态，另一块不可用。之后对另一块分区、格式化。但是在格式化出现了错误。
[root@localhost ~]# mkfs.ext3 /dev/sdb1mke2fs 1.39 (29-May-2006)/dev/sdb1 is apparently in use by the system; will not make a filesystem here![root@localhost ~]# df -h
二、处理：[root@localhost ~]# dmsetup statusddf1_44656c6c202020201000006010281f0c359b9d3e3773cd05: 0 975699968 linear[root@localhost ~]# dmsetup remove_all[root@localhost ~]# mkfs.ext3 /dev/sdb1mke2fs 1.39 (29-May-2006)Filesystem label=OS type: LinuxBlock size=4096 (log=2)Fragment size=4096 (log=2)61063168 inodes, 122096000 blocks6104800 blocks (5.00%) reserved for the super userFirst data block=0Maximum filesystem blocks=42949672963727 block groups32768 blocks per group, 32768 fragments per group16384 inodes per groupSuperblock backups stored on blocks:32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968,102400000
Writing inode tables: 1159/3727
