you know, I want redundancy and space but I suppose that I just need
to keep my stuff backed up well and I'll live without the extra space.
On Sat, Jul 18, 2020 at 12:53 PM Brian Cluff via PLUG-discuss
<
plug-discuss@lists.phxlinux.org> wrote:
>
> Yes, you'll be looking at doing a software raid.
>
> Just curious, what are you needing to get out of a RAID that makes you
> want to do it? More space, more speed, or redundancy?
>
> You can get certain combinations of all 3 of those but it depends on
> which raid you pick and what settings it has.
> Of course RAID can also be a really good way to instantly destroy all
> your data if you don't do it right.
>
> If you are just looking for some safely for your data, I would recommend
> that you start with a RAID 1. You won't get any extra space out of it,
> but it's a fairly bullet proof RAID option that allows for any of your
> drives to be mounted individually, so its very difficult to loose your
> data without all your drives dying at once. You also get a little bit
> of a speed boost under certain circumstances.
>
> Brian Cluff
>
> On 7/18/20 7:58 AM, Michael via PLUG-discuss wrote:
> > I think I want to start a raid array level 5.
> > this is what my google search revealed to me:
> >
> > If you want to use hardware RAID device, use hot swappable hardware
> > RAID device with spare disks. If any disk fails, data will be
> > reconstructed on the first available spare disk without any downtime
> > and since it is a hot swappable device, you can replace failed device
> > while server is still running.
> >
> > Unfortunately, I am finding it difficult to find how to do a hardware
> > array. Everything I'm finding has to do with software array with a
> > paragraph about hw array so when I google hardware 'array linux' I get
> > results and I get confused. Could someone point me to some concise
> > instructions on doing this? I found one promising one on wiki
> > (https://raid.wiki.kernel.org/index.php/Hardware_Raid_Setup_using_MegaCli)
> > but they wanted a raid controller to be installed on your system
> > first....
> > Ohhhh .... I think I get it! the hardware raid requires The controller
> > which is a pci card. So now I need a software array
> >
> > is that correct?
> > Any concise instructions?
>
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