Am 06.03.2017 um 16:07 schrieb Adam Goryachev:
Hi all,
I'm trying to assist a friend to recover their RAID array, it consists
of 4 drives, most likely in RAID10. It was a linux based NAS (AFAIK). I
would really appreciate any tips or suggestions...
First, the bad news:
mdadm --misc --detail /dev/sd[abcd]
mdadm: /dev/sda does not appear to be an md device
mdadm: /dev/sdb does not appear to be an md device
mdadm: /dev/sdc does not appear to be an md device
mdadm: /dev/sdd does not appear to be an md device
it's not uncommon to use partitions instead of whole drives
that below are two RAID10 and one RAID1 on four 2 TB drives and so
/dev/sd[-d] are not an md-device
[root@rh:~]$ cat /proc/mdstat
Personalities : [raid1] [raid10]
md1 : active raid10 sda2[0] sdd2[2] sdb2[3] sdc2[1]
30716928 blocks super 1.1 512K chunks 2 near-copies [4/4] [UUUU]
md0 : active raid1 sda1[0] sdd1[2] sdb1[3] sdc1[1]
511988 blocks super 1.0 [4/4] [UUUU]
md2 : active raid10 sda3[0] sdd3[2] sdb3[3] sdc3[1]
3875222528 blocks super 1.1 512K chunks 2 near-copies [4/4] [UUUU]
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