> Do you mean 'device' or filesystem as read-only? > For filesystem you may easily switch error behavior so you will not destroy > your data when inconsistency is detected (tune2fs -e remount-ro) > > Zdenek I mean filesystem. But the strange thing about my observation is that obviously no inconsistency is ever detected, except for openSuSE. The filesystem on the loopback device under Ubuntu and Fedora, backed by the no-longer-existing usb drive, can be happily read from and written to and even be fsck'ed without any problems. Only after completely unmounting it, deleting the loopback device, then re-inserting the drive and loop-mounting again you can see that data was lost. 'remount-ro' is set in all cases. Andreas -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
