I think "delete" is too strong a word and confusing in the context of hard disks. What really happens is that the volume is "detached" and can be reattached later (either manually with bioctl(8), or it will auto-assemble).
ok? Index: bioctl.8 =================================================================== RCS file: /cvs/src/sbin/bioctl/bioctl.8,v retrieving revision 1.102 diff -u -p -r1.102 bioctl.8 --- bioctl.8 21 Sep 2016 17:57:33 -0000 1.102 +++ bioctl.8 26 Nov 2016 15:37:06 -0000 @@ -231,7 +231,7 @@ be provided via RAID 5 requires at least three devices and the CRYPTO discipline requires exactly one. .It Fl d -Delete volume specified by device. +Detach volume specified by device. .It Fl k Ar keydisk Use special device .Ar keydisk @@ -308,7 +308,7 @@ This can be done with the following comm # dd if=/dev/zero of=/dev/rsd3c bs=1m count=1 .Ed .Pp -Deleting a softraid volume requires the exact volume name. +Detaching a softraid volume requires the exact volume name. For example: .Bd -literal -offset 3n # bioctl -d sd2
