When the device disappear the path goes missing, and that will be the one of the reason that user will replace the device.
The devid of the missing btrfs device can be obtained using the new cli option btrfs fi show --kernel And which can be used in the replace command. --- btrfs replace start /dev/sdc /dev/sde /btrfs Error: Unable to open device '/dev/sdc' Try using the devid instead of the path --- Signed-off-by: Anand Jain <anand.j...@oracle.com> --- cmds-replace.c | 1 + 1 files changed, 1 insertions(+), 0 deletions(-) diff --git a/cmds-replace.c b/cmds-replace.c index 6397bb5..08a369a 100644 --- a/cmds-replace.c +++ b/cmds-replace.c @@ -244,6 +244,7 @@ static int cmd_start_replace(int argc, char **argv) if (fdsrcdev < 0) { fprintf(stderr, "Error: Unable to open device '%s'\n", srcdev); + fprintf(stderr, "\tTry using the devid instead of the path\n"); goto leave_with_error; } ret = fstat(fdsrcdev, &st); -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe linux-btrfs" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html