Re: btrfs raid1 and btrfs raid10 arrays NOT REDUNDANT

Emil Karlson
2014-01-03T22:42:11Z

> mount -t btrfs /dev/vdb /test
> mount: wrong fs type, bad option, bad superblock on /dev/vdb,
> missing codepage or helper program, or other error
> In some cases useful info is found in syslog - try
> dmesg | tail or so

IIRC you need mount option degraded here.