Also, you can reboot while RAID1 is sync'ing. Sync'ing will continue after the reboot, unless it's not mounted, in which case it might wait in auto-read-only mode until you "touch it" (i.e. mount a filesystem on the array or restart the array manually with mdadm).
On Sat, Feb 5, 2022 at 2:57 PM Russell Senior <russ...@personaltelco.net> wrote: > > You shouldn't need to reboot. > > ls -l /dev/sr0 > > Mine looks like: > > $ ls -al /dev/sr0 > brw-rw----+ 1 root cdrom 11, 0 Feb 1 17:07 /dev/sr0 > > If it is: br--r-----, then: > > $ sudo chmod u+w /dev/sr0 > $ ls -al /dev/sr0 > > You don't mount the device to burn an iso, anyway. > > On Sat, Feb 5, 2022 at 2:49 PM Rich Shepard <rshep...@appl-ecosys.com> wrote: > > > > On Sat, 5 Feb 2022, Russell Senior wrote: > > > > > I think you want something like wodim for writing iso's to optical media, > > > not dd which is more suited to writing to block devices like usb. > > > > Thanks, Russell. It looks like k3b will do the job once the drive is > > writable. That's the problem: every tool reports the drive is read only. I > > need to wait for /dev/md0 to finish being prepared before I can reboot and > > see if then the rw permission for the drive is accepted. > > > > Once I get the DVD written I'll make another copy on a USB thumb drive, too. > > > > Rich
