Hello Erik, Wednesday, June 18, 2014, 10:38:55 PM, you wrote: > 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 Did you try wipefs -a -f /dev/sdc1 ? If that fails, just erase the first few MB of the device with zeroes: dd if=/dev/zero of=/dev/sdc1 bs=1M count=10 Pavel Goran -- 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
