RAID10 搭建

女爷i 2023-01-13 04:22 107阅读 0赞

### RAID10 搭建 ###

*  创建raid10

# 创建raid10 #

*  4块盘创建raid10
 *  2个raid1组合raid0

mdadm -Cv /dev/md10 -l 10 -n 4 /dev/sdk /dev/sdb /dev/sdm /dev/sdc

# mdadm -Cv /dev/md10 -l 10 -n 4 /dev/sdk /dev/sdb /dev/sdm /dev/sdc
    mdadm: layout defaults to n2
    mdadm: layout defaults to n2
    mdadm: chunk size defaults to 512K
    mdadm: /dev/sdk appears to contain an ext2fs file system
           size=18446744070202064896K  mtime=Thu Jan  1 08:00:00 1970
    mdadm: /dev/sdb appears to contain an ext2fs file system
           size=18446744070202064896K  mtime=Thu Jan  1 08:00:00 1970
    mdadm: /dev/sdm appears to contain an ext2fs file system
           size=18446744070202064896K  mtime=Thu Jan  1 08:00:00 1970
    mdadm: /dev/sdc appears to contain an ext2fs file system
           size=18446744070202064896K  mtime=Thu Jan  1 08:00:00 1970
    mdadm: size set to 13672250368K
    mdadm: automatically enabling write-intent bitmap on large array
    Continue creating array? y
    mdadm: Defaulting to version 1.2 metadata
    mdadm: array /dev/md10 started.

# cat /proc/mdstat
    Personalities : [linear] [multipath] [raid0] [raid1] [raid6] [raid5] [raid4] [raid10]
    md10 : active raid10 sdc[3] sdm[2] sdb[1] sdk[0]
          27344500736 blocks super 1.2 512K chunks 2 near-copies [4/4] [UUUU]
          [>....................]  resync =  0.2% (73962688/27344500736) finish=2355.4min speed=192964K/sec
          bitmap: 204/204 pages [816KB], 65536KB chunk

mdadm -Ds > /etc/mdadm.conf

# cat /etc/mdadm.conf
    ARRAY /dev/md10 metadata=1.2 name=k187:10 UUID=1694c695:1f201f69:01a7b27f:2fedc05d

mkfs.ext4  /dev/md10

# blkid /dev/md10
    /dev/md10: UUID="6df3ff1d-4327-432a-a40c-8fb8e8094d70" TYPE="ext4"

vim /etc/fstab

/dev/disk/by-uuid/6df3ff1d-4327-432a-a40c-8fb8e8094d70 /md10 ext4 defaults 0 0

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参考：

1.  [RAID10磁盘阵列搭建——新手上路][RAID10]

[RAID10]: https://blog.csdn.net/VickHUC/article/details/82798046