Hi, ubuntu 14.04, and a 5TB RAID (sdc) partitioned into two 2.5TB partitions (sdc1 and sdc2) with parted to be used as backing devices, /dev/sdc2 attaches fine problem with sdc1: # make-bcache -B /dev/sdc1 Device /dev/sdc1 already has a non-bcache superblock, remove it using wipefs and wipefs -a # wipefs /dev/sdc1 wipefs: WARNING: /dev/sdc1: appears to contain 'dos' partition table # wipefs -a /dev/sdc1 wipefs: WARNING: /dev/sdc1: appears to contain 'dos' partition table # make-bcache -B /dev/sdc1 Device /dev/sdc1 already has a non-bcache superblock, remove it using wipefs and wipefs -a In other words, Im unable to attach sdc1 any help greatly appreciated! /Erik -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html