Hi. On Sun, Jan 13, 2019 at 12:27:19PM +0100, Tom Bachreier wrote: > TLDR; > My /home on dmcrypt -> software Raid5 blocks irregular usually without > any error messages. > > I can get it going again with "fdisk -l /dev/sdx". > > Do you have an ideas how I can debug this issue further? Is it a dmcrypt, > a dm-softraid or a hardware issue? Let's start with something uncommon: for x in /dev/sd{b..f}; do smartctl -l scterc $x hdparm -J $x done Reco