On Wed, Jul 10, 2019 at 3:52 AM Andrey Zhunev <a-j@xxxxxx> wrote: > > [root@tftp ~]# xfs_repair /dev/centos/root > Phase 1 - find and verify superblock... > superblock read failed, offset 53057945600, size 131072, ag 2, rval -1 > > fatal error -- Input/output error > [root@tftp ~]# # smartctl -l scterc /dev/ Point it to the physical device. If it's a consumer drive, it might support a configurable SCT ERC. Also need to see the kernel messages at the time of the i/o error. There's some chance if a deep recover read is possible, it'll recover the data. But I don't see how this is related to power supply failure. -- Chris Murphy