--直接mount报错，提示需要格式化 [root@sdb etc]# mount /dev/mapper/3600a09803830464d6c5d4c6c47664356 /u02 mount: you must specify the filesystem type
--对/dev/sdb磁盘操作提示要分区 [root@sdb etc]# mkfs -t ext4 /dev/sdb mke2fs 1.41.12 (17-May-2010) /dev/sdb is entire device, not just one partition! Proceed anyway? (y,n) n
--对/dev/mapper/wwid别名操作不需要分区 [root@sdb etc]# mkfs -t ext4 /dev/mapper/3600a09803830464d6c5d4c6c47664356 mke2fs 1.41.12 (17-May-2010) Filesystem label= OS type: Linux Block size=4096 (log=2) Fragment size=4096 (log=2) Stride=1 blocks, Stripe width=16 blocks 67117056 inodes, 268439808 blocks 13421990 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=4294967296 8193 block groups 32768 blocks per group, 32768 fragments per group 8192 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208, 4096000, 7962624, 11239424, 20480000, 23887872, 71663616, 78675968, 102400000, 214990848 Writing inode tables: done Creating journal (32768 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 33 mounts or 180 days, whichever comes first. Use tune2fs -c or -i to override.
