fsck.gfs2 -n exited with status code -1
Initializing fsck
Validating resource group index.
Level 1 resource group check: Checking if all rgrp and rindex values are good.
(level 1 failed at block 18 (0x12): Some damage was found; we need to take remedial measures)
Level 2 resource group check: Checking if rindex values may be easily repaired.
L2: number of rgs expected     = 2.
Block #18 (0x12) (1 of 1) is not GFS2_METATYPE_RG.
double free or corruption (top)