On Friday 12 November 2021 17:01:01 The Wanderer wrote: > On 2021-11-12 at 16:52, Gene Heskett wrote: > > On Friday 12 November 2021 15:12:15 Dan Ritter wrote: > >> Gene Heskett wrote: > >>> That will be good, but getting rid of the first raid10 I built > >>> is needing tactical nukes. Its taking almost 40 minutes a drive > >>> to zero them and start over. And this machine is acting like an > >>> 8086 machine doing it. very very slow. gkrellm is showing all 6 > >>> core in bright orange. Not any great temp rises though, staying > >>> below 35C for all 6 cores. The heat sink/radiator is huge, so > >>> huge I can't put the side panel back on the tower. 5" fan is > >>> turning silently at maybe 400 revs. I think I overbuilt it ;o) > >> > >> No need to do it the hard way: > >> > >> For each disk, run > >> > >> # wipefs /dev/sdX > >> > >> which will not destroy anything ; it will list the commands needed > >> to remove the existing filesystems. > >> > >> Then run that command, generally of the form wipdefs -o 0x1000 or > >> such, which will complete in seconds. > >> > >> Repeat for the next disk. > >> > >> -dsr- > > > > root@coyote:~$ wipefs /dev/sde -o 0x1000 > > wipefs: error: /dev/sde: probing initialization failed: Device or > > resource busy > > And I have to reboot as mdadm has no stop command. Thats BS. > > Eh? > > From the mdadm man page (at least on my machine):
But not on mine but I'll be switched, it worked and I was then able to format both and have the bigger one mounted, this time w/o any fussing after typeing yes, Like I've said 2 or 3 times, my man pages for a lot of this are NOT uptodate. Very frustrating. And thank you, a bunch! > > -S, --stop > deactivate array, releasing all resources. > > And from the EXAMPLES section: > > mdadm --stop --scan > This will shut down all arrays that can be shut down (i.e. are > not cur‐ > rently in use). This will typically go in a system shutdown > script. > > While it's probably not possible to stop the mdraid backend (since > IIRC it's part of the kernel?), it should certainly be possible to > tell it to let go of the devices it's managing. It sure did. Thank you again. Now I can proceed. Cheers, Gene Heskett. -- "There are four boxes to be used in defense of liberty: soap, ballot, jury, and ammo. Please use in that order." -Ed Howdershelt (Author, 1940) If we desire respect for the law, we must first make the law respectable. - Louis D. Brandeis Genes Web page <http://geneslinuxbox.net:6309/gene>