分类： 服务器与存储
2008-10-12 10:19:29
[root@test25 /]# fdisk -l
Disk /dev/hda: 40.0 GB, 40007761920 bytes
255 heads, 63 sectors/track, 4864 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Device Boot Start End Blocks Id System
/dev/hda1 * 1 3818 30668053+ 83 Linux
/dev/hda2 3819 4863 8393962+ 82 Linux swap
Disk /dev/hdc: 40.0 GB, 40007761920 bytes
16 heads, 63 sectors/track, 77520 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes
Device Boot Start End Blocks Id System
/dev/hdc1 1 19377 9765976+ 8e Linux LVM
/dev/hdc2 19378 77520 29304072 5 Extended
/dev/hdc5 19378 29066 4883224+ fd Linux raid autodetect
/dev/hdc6 29067 38755 4883224+ fd Linux raid autodetect
/dev/hdc7 38756 48444 4883224+ fd Linux raid autodetect
[root@test25 /]# cat /proc/mdstat
Personalities :
unused devices:
[root@test25 /]# mdadm -Cv /dev/md0 -l5 -n3 -c128 /dev/hdc{5,6,7}
mdadm: layout defaults to left-symmetric
mdadm: size set to 4883136K
mdadm: array /dev/md0 started.
[root@test25 /]# cat /proc/mdstat
Personalities : [raid5]
md0 : active raid5 hdc7[3] hdc6[1] hdc5[0]
9766144 blocks level 5, 128k chunk, algorithm 2 [3/2] [UU_]
[>....................] recovery = 1.1% (57856/4883072) finish=13.8min speed=5785K/sec
unused devices:
[root@test25 /]# cat /proc/mdstat
Personalities : [raid5]
md0 : active raid5 hdc7[3] hdc6[1] hdc5[0]
9766144 blocks level 5, 128k chunk, algorithm 2 [3/2] [UU_]
[>....................] recovery = 2.2% (109440/4883072) finish=13.0min speed=6080K/sec
unused devices:
[root@test25 /]# cat /proc/mdstat
Personalities : [raid5]
md0 : active raid5 hdc7[3] hdc6[1] hdc5[0]
9766144 blocks level 5, 128k chunk, algorithm 2 [3/2] [UU_]
[=>...................] recovery = 8.2% (405248/4883072) finish=12.4min speed=5980K/sec
unused devices:
[root@test25 /]# mkfs.ext3 /dev/md0
[root@test25 /]# mkdir /media/raid5
[root@test25 /]# mount /dev/md0 /media/raid5
[root@test25 /]# vi /etc/fstab
[root@test25 /]# cat /etc/fstab
# This file is edited by fstab-sync - see 'man fstab-sync' for details
LABEL=/ / ext3 defaults 1 1
none /dev/pts devpts gid=5,mode=620 0 0
none /dev/shm tmpfs defaults 0 0
none /proc proc defaults 0 0
none /sys sysfs defaults 0 0
LABEL=SWAP-hda2 swap swap defaults 0 0
/dev/md0 /media/raid5 ext3 defaults 0 0
