On 2024-12-09, Bryan Vyhmeister <br...@bsdjournal.net> wrote: > I have a system with 4 3TB hard drives in a softraid(4) RAID 5 array. I > would like to expand the array to use much larger hard drives. I could > offline one drive, replace it with a larger drive, and then create a new > 'd' RAID partition of the new size (with fdisk(8) and disklabel(8). Then > I would initiate a rebuild. Once that was done on all four drives, would > it be possible to modify the sofraid(4) volume's fdisk and disklabel so > I could use growfs(8) to increase the size of the softraid(4) RAID 5 > volume? > > I came across a thread asking about this exact issue for a softraid(4) > crypto volume and it was not possible to expland the softraid(4) volume > in that case. I am guessing that the same is probably true for RAID 5 > but I am hoping that I may have overlooked something. Thank you.
Not possible with softraid, you'd need to backup/restore or attach both sets at the same time and copy across. (That will probably be quicker and certainly safer than reconstructing the raid5 four times anyway..) -- Please keep replies on the mailing list.
