Re: Where do I find the definitive man page for mdadm?
On Friday 12 November 2021 11:34:24 Charles Curley wrote:
> On Fri, 12 Nov 2021 09:22:12 -0500
>
> Gene Heskett <gheskett@shentel.net> wrote:
> > So
> >
> > mdadm --create --verbose /dem/md0 --level=10 --raid-devices=4
> > /dev/sde /dev/sdf /dev/sdg /dev/sdh
> >
> > should work.
>
> It should. But there are good reasons to put partitions on the drives
> first and use the partitions..
>
> > but once assembled, does it need formatted?
>
> Yes. It's a raw block partition.
>
> I put LVM on, and made a logical volume which left some space so I
> would have lots of flexibility in my array.
>
> There is a systemd service in Bullseye that creates a snapshot of LVM
> logical volumes, fscks the snapshot, and reports the result if there
> is an error. So I leave at least 20 GB available on my system disk for
> that. Leaving a chunk available for that on your RAID array strikes me
> as a good idea.
Thanks Charles. Sounds like a good idea. I'll see if I can get gparted to
see them now. It see's it, but its locked, in use by the system even if
unmounted. Now what?
Cheers, Gene Heskett.
--
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