mdconfig

Pretty complex scenario but let's give it a try: I'm trying to improve my custom FreeBSD live system that boots from USB. The system is based on the mfsroot filesystem and able to keep on running without any physical storage device present. This works because mfsroot is a memory disk as...

How can I prevent mdconfig memory disks which are attached in the host from appearing in jails? That means, I do not want to see md0 md1 md2 being visible and accessible from jails. (It's got to be a setting in the devfs.rules or jail.conf file, but I just figure it out.)

Hi, I am running the following build against the stable/13 source branch: cd /usr/src git clone -b stable/12 --depth 1 https://git.freebsd.org/src.git /usr/src cd release sh release.sh -c $HOME/BBB.conf The error I get looks as follows on the command line...

I need to use mdconfig inside a jail, but I'm hit with "Error mdconfig: open(/dev/mdctl): No such file or directory". I think I need to "allow" it in the jail.conf but couldnt figure out what it is. Please help.

I remember that I can access /dev/md* under FreeBSD 11 according to Handbook 17.9 Memory Disks. But it seems that md devices disappear. ➜ ~ uname -a FreeBSD 12.0-RELEASE FreeBSD 12.0-RELEASE r341666 GENERIC amd64 ➜ ~ mdconfig -f foo.iso md0 ➜ ~ mdconfig -a -t swap -s 5m md1 ➜ ~ mdconfig...

Trying to mount an image file with ext4 filesystem:# mdconfig rootfs.img md0 # ext4fuse -o ro /dev/md0 /mnt/tmp/ # ls -l /mnt/tmp/ ls: bin: Device not configured . . . . <many lines> ls: sys: Device not configured total 88 # dmesg | tail . . . . pid 1943 (ext4fuse), uid 0: exited on signal 6...