Lucio Crusca <lucio@xxxxxxxxxx> writes: > During a disaster recovery I found that losetup either > > 1. does not support creating loop devices that target physical devices. In > this case I think there exists a compelling reason to support them > (http://serverfault.com/questions/659484) and this bug report is a wishlist > bug > > or > > 2. it does support physical devices, but it is an undocumented feature (at > least in the manpage) and the warning it issues is misleading beacuse it > makes you think it doesn't support them ("losetup: /dev/sdc2: warning: file > smaller than 512 bytes, the loop device maybe be useless or invisible for > system tools"). In this case this could be a documentation bug. > > I haven't tested which of the two possibilities is the real situation, but > I'm pretty sure you already know. I don't recall what I've done that convinced me, but I'm *sure* that you can do losetup -o [offset] {-f[--show]|loopdev} /dev/sdXXX This is implicit throughout Linux, because any block device is also a "file", and can be read/written as such. (You just can't change its size.) What command are you executing? What error are you seeing? Dale -- 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
