Stratis like lvm is utilizing device mapper thin provisioning feature. Thus internal devices which should not be manipulated by end users show up with blkid when they should not contain any relevant data. See commit: 20e1c3dc03399d6988ef35dedc1364cfc12e9263 for more background. Tony Asleson (1): libblkid: ignore private Stratis devices disk-utils/fdisk-list.c | 2 +- include/sysfs.h | 2 +- lib/sysfs.c | 39 +++++++++++++++++++++++++++++---------- libblkid/src/probe.c | 4 ++-- libblkid/src/verify.c | 2 +- 5 files changed, 34 insertions(+), 15 deletions(-) -- 2.13.6 -- To unsubscribe from this list: send the line "unsubscribe util-linux" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html