Linux AS 5软raid的实现过程
作者 佚名技术
来源 Linux系统
浏览
发布时间 2012-05-02
| 为新添加的硬盘分区和格式化 [root@llk726 dev]# fdisk /dev/sdb Command (m for help): n（添加分区） Command action e extended p primary partition (1-4) p（创建一个主分区） Partition number (1-4): 1 First cylinder (1-130, default 1): 1 Last cylinder or size or sizeM or sizeK (1-130, default 130): Using default value 130 Command (m for help): p（查看分区信息） Disk /dev/sdb: 1073 MB, 1073741824 bytes 255 heads, 63 sectors/track, 130 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 1 130 1044193 83 Linux Command (m for help): t （更改ID号） Selected partition 1 Hex code (type L to list codes): fd（将分区类型指定为“fd”） Changed system type of partition 1 to fd (Linux raid autodetect) Command (m for help): p Disk /dev/sdb: 1073 MB, 1073741824 bytes 255 heads, 63 sectors/track, 130 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 1 130 1044193 fd Linux raid autodetect Command (m for help): w（保存推出） The partition table has been altered! Calling ioctl() to re-read partition table. Syncing disks. [root@localhost ~]# mkfs -t ext3 /dev/sdb1 mke2fs 1.35 (28-Feb-2004) max_blocks 267313152, rsv_groups = 8158, rsv_gdb = 63 Filesystem label= OS type: LinuxBlock size=4096 (log=2) Fragment size=4096 (log=2) 130560 inodes, 261048 blocks 13052 blocks (5.00%) reserved for the super user First data block=0 Maximum filesystem blocks=268435456 8 block groups 32768 blocks per group, 32768 fragments per group 16320 inodes per group Superblock backups stored on blocks: 32768, 98304, 163840, 229376 Writing inode tables: done inode.i_blocks = 2528, i_size = 4243456 Creating journal (4096 blocks): done Writing superblocks and filesystem accounting information: done This filesystem will be automatically checked every 30 mounts or 180 days, whichever comes first. Use tune2fs -c or -i to override. 其余硬盘进行相同处理 查看硬盘分区情况 [root@llk726 dev]# fdisk -l Disk /dev/sda: 8589 MB, 8589934592 bytes 255 heads, 63 sectors/track, 1044 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sda1 * 1 13 104391 83 Linux /dev/sda2 14 395 3068415 83 Linux /dev/sda3 396 446 409657 82 Linux swap / Solaris /dev/sda4 447 1044 4803435 5 Extended /dev/sda5 447 1044 4803403 83 Linux Disk /dev/sdb: 1073 MB, 1073741824 bytes 255 heads, 63 sectors/track, 130 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdb1 1 130 1044193 fd Linux raid autodetect Disk /dev/sdc: 1073 MB, 1073741824 bytes 255 heads, 63 sectors/track, 130 cylinders Units = cylinders of 16065 * 512 = 8225280 bytes Device Boot Start End Blocks Id System /dev/sdc1 1 130 1044193 fd Linux raid autodetectDisk /dev/sdd: 1073 MB, 1073741824 bytes 255 heads, 63 sectors/track, 130 cylinders Units = cylinders of 16065 * 512 = 8 |
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