Re: how best to do
On Wednesday 28 July 2021 19:26:15 Greg Wooledge wrote:
> On Wed, Jul 28, 2021 at 11:03:01PM +0200, deloptes wrote:
> > Dan Ritter wrote:
> > >> Raid6 sounds promising. Equivalent capacity is also one drive?
> > >
> > > No, you actually get about 2 drives of capacity out of 4 here.
> >
> > You get N-1, so from 4x2TB disks you get close to 6TB RAID6 (you
> > have also various FS layer overhead)
>
> RAID-5 is N-1. With 4 disks in a RAID-5 configuration, you'd get 3
> disks worth of usable storage.
>
> RAID-6 is N-2. With 4 disks in a RAID-6 configuration, you'd get 2
> disks worth of usable storage.
Thanks Greg. Raid-6 sounds the most dependable. Stuff is ordered.
Cheers, Gene Heskett
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