1、对第一块盘/dev/sdb进行分区：
[root@rac1 ~]# fdisk /dev/sdb Device contains neither a valid DOS partition table,nor Sun,sgi or OSF disklabel Building a new DOS disklabel with disk identifier 0x06b87c6d. Changes will remain in memory only,until you decide to write them. After that,of course,the prevIoUs content won't be recoverable. Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite) WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (1-1566,default 1): Using default value 1 Last cylinder,+cylinders or +size{K,M,G} (1-1566,default 1566): Using default value 1566 Command (m for help): p disk /dev/sdb: 12.9 GB,12884901888 bytes 255 heads,63 sectors/track,1566 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0x06b87c6d Device Boot Start End Blocks Id System /dev/sdb1 1 1566 12578863+ 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks.
2、查看分区是否正常
[root@rac1 ~]# fdisk -l /dev/sdb disk /dev/sdb: 12.9 GB,1566 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0x06b87c6d Device Boot Start End Blocks Id System /dev/sdb1 1 1566 12578863+ 83 Linux
3、ok，分区正常。按照上述方法，把剩下的六块盘都分区。
[root@rac1 ~]# fdisk /dev/sdc Device contains neither a valid DOS partition table,sgi or OSF disklabel Building a new DOS disklabel with disk identifier 0x15863b60. Changes will remain in memory only,the prevIoUs content won't be recoverable. Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite) WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): p disk /dev/sdc: 12.9 GB,1566 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0x15863b60 Device Boot Start End Blocks Id System Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): n^H1 Partition number (1-4): 1 First cylinder (1-1566,default 1566): Using default value 1566 Command (m for help): p disk /dev/sdc: 12.9 GB,1566 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0x15863b60 Device Boot Start End Blocks Id System /dev/sdc1 1 1566 12578863+ 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@rac1 ~]# fdisk -l /dev/sdc disk /dev/sdc: 12.9 GB,1566 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0x15863b60 Device Boot Start End Blocks Id System /dev/sdc1 1 1566 12578863+ 83 Linux [root@rac1 ~]# fdisk /dev/sdd Device contains neither a valid DOS partition table,sgi or OSF disklabel Building a new DOS disklabel with disk identifier 0x12264bdf. Changes will remain in memory only,the prevIoUs content won't be recoverable. Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite) WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): p disk /dev/sdd: 2147 MB,2147483648 bytes 255 heads,261 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0x12264bdf Device Boot Start End Blocks Id System Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (1-261,G} (1-261,default 261): Using default value 261 Command (m for help): p disk /dev/sdd: 2147 MB,261 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0x12264bdf Device Boot Start End Blocks Id System /dev/sdd1 1 261 2096451 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@rac1 ~]# fdisk -l /dev/sdd disk /dev/sdd: 2147 MB,261 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0x12264bdf Device Boot Start End Blocks Id System /dev/sdd1 1 261 2096451 83 Linux [root@rac1 ~]# fdisk /dev/sde Device contains neither a valid DOS partition table,sgi or OSF disklabel Building a new DOS disklabel with disk identifier 0xb60ea544. Changes will remain in memory only,the prevIoUs content won't be recoverable. Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite) WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): p disk /dev/sde: 2147 MB,261 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0xb60ea544 Device Boot Start End Blocks Id System Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (1-261,default 261): Using default value 261 Command (m for help): p disk /dev/sde: 2147 MB,261 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0xb60ea544 Device Boot Start End Blocks Id System /dev/sde1 1 261 2096451 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@rac1 ~]# fdisk -l /dev/sde disk /dev/sde: 2147 MB,261 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0xb60ea544 Device Boot Start End Blocks Id System /dev/sde1 1 261 2096451 83 Linux [root@rac1 ~]# fdisk /dev/sdf Device contains neither a valid DOS partition table,sgi or OSF disklabel Building a new DOS disklabel with disk identifier 0xe73a738f. Changes will remain in memory only,the prevIoUs content won't be recoverable. Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite) WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): p disk /dev/sdf: 2147 MB,261 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0xe73a738f Device Boot Start End Blocks Id System Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (1-261,default 261): Using default value 261 Command (m for help): p disk /dev/sdf: 2147 MB,261 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0xe73a738f Device Boot Start End Blocks Id System /dev/sdf1 1 261 2096451 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@rac1 ~]# fdisk -l /dev/sdf disk /dev/sdf: 2147 MB,261 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0xe73a738f Device Boot Start End Blocks Id System /dev/sdf1 1 261 2096451 83 Linux [root@rac1 ~]# fdisk /dev/sdg Device contains neither a valid DOS partition table,sgi or OSF disklabel Building a new DOS disklabel with disk identifier 0x41119c7e. Changes will remain in memory only,the prevIoUs content won't be recoverable. Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite) WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): p disk /dev/sdg: 2147 MB,261 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0x41119c7e Device Boot Start End Blocks Id System Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (1-261,default 261): Using default value 261 Command (m for help): p disk /dev/sdg: 2147 MB,261 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0x41119c7e Device Boot Start End Blocks Id System /dev/sdg1 1 261 2096451 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@rac1 ~]# fdisk -l /dev/sdg disk /dev/sdg: 2147 MB,261 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0x41119c7e Device Boot Start End Blocks Id System /dev/sdg1 1 261 2096451 83 Linux [root@rac1 ~]# fdisk /dev/sdh Device contains neither a valid DOS partition table,sgi or OSF disklabel Building a new DOS disklabel with disk identifier 0xeac8d462. Changes will remain in memory only,the prevIoUs content won't be recoverable. Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite) WARNING: DOS-compatible mode is deprecated. It's strongly recommended to switch off the mode (command 'c') and change display units to sectors (command 'u'). Command (m for help): p disk /dev/sdh: 2147 MB,261 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0xeac8d462 Device Boot Start End Blocks Id System Command (m for help): n Command action e extended p primary partition (1-4) p Partition number (1-4): 1 First cylinder (1-261,default 261): Using default value 261 Command (m for help): p disk /dev/sdh: 2147 MB,261 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0xeac8d462 Device Boot Start End Blocks Id System /dev/sdh1 1 261 2096451 83 Linux Command (m for help): w The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@rac1 ~]# fdisk -l /dev/sdh disk /dev/sdh: 2147 MB,261 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Sector size (logical/physical): 512 bytes / 512 bytes I/O size (minimum/optimal): 512 bytes / 512 bytes disk identifier: 0xeac8d462 Device Boot Start End Blocks Id System /dev/sdh1 1 261 2096451 83 Linux [root@rac1 ~]#
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