[CentOS] CentOS 7: software RAID 5 array with 4 disks and no spares?

Wed Feb 18 08:59:21 UTC 2015
Niki Kovacs <info at microlinux.fr>

Le 18/02/2015 09:24, Michael Volz a écrit :
> Hi Niki,
>
> md127 apparently only uses 81.95GB per disk. Maybe one of the partitions has the wrong size. What's the output of lsblk?

[root at nestor:~] # lsblk
NAME      MAJ:MIN RM   SIZE RO TYPE  MOUNTPOINT
sda         8:0    0 232,9G  0 disk
├─sda1      8:1    0   3,9G  0 part
│ └─md126   9:126  0   3,9G  0 raid1 [SWAP]
├─sda2      8:2    0   200M  0 part
│ └─md125   9:125  0   200M  0 raid1 /boot
└─sda3      8:3    0  76,4G  0 part
   └─md127   9:127  0   229G  0 raid5 /
sdb         8:16   0 232,9G  0 disk
├─sdb1      8:17   0   3,9G  0 part
│ └─md126   9:126  0   3,9G  0 raid1 [SWAP]
├─sdb2      8:18   0   200M  0 part
│ └─md125   9:125  0   200M  0 raid1 /boot
└─sdb3      8:19   0  76,4G  0 part
   └─md127   9:127  0   229G  0 raid5 /
sdc         8:32   0 232,9G  0 disk
├─sdc1      8:33   0   3,9G  0 part
│ └─md126   9:126  0   3,9G  0 raid1 [SWAP]
├─sdc2      8:34   0   200M  0 part
│ └─md125   9:125  0   200M  0 raid1 /boot
└─sdc3      8:35   0  76,4G  0 part
   └─md127   9:127  0   229G  0 raid5 /
sdd         8:48   0 232,9G  0 disk
├─sdd1      8:49   0   3,9G  0 part
│ └─md126   9:126  0   3,9G  0 raid1 [SWAP]
├─sdd2      8:50   0   200M  0 part
│ └─md125   9:125  0   200M  0 raid1 /boot
└─sdd3      8:51   0  76,4G  0 part
   └─md127   9:127  0   229G  0 raid5 /

Any idea what's going on ?

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