[olug] LVM and RAID Was: To RAID or not to RAID

[Dan Linder]

Yeah, I am really hoping for the best of all worlds.  :)

I might have to play with BTRFS in my own test lab - heaven knows I have
enough spare (but way too small) drives that I could use to play with.

Dan

On Mon, Sep 22, 2014 at 8:43 PM, Obi-Wan <obiwan at jedi.com> wrote:

> On 09/22/2014 08:40 PM, Dan Linder wrote:
>
>> Is it possible to setup LVM with MDADM to setup a RAID at the hardware
>> level that doesn't have to be rebuilt when I purchase another HDD?
>>
>
> You can layer LVM on top of mdadm, which would allow you to concatenate
> another drive onto the end of your RAID5.  The new drive would not be
> redundant, which means that if it died, your entire filesystem would be
> toast.  It would also have slower access times than the original RAID array.
>
> --
> *Ben "Obi-Wan" Hollingsworth* obiwan at jedi.com <mailto:obiwan at jedi.com>
> www.Jedi.com <http://www.jedi.com>
> The stuff of earth competes for the allegiance I owe only to the
> Giver of all good things, so if I stand, let me stand on the
> promise that You will pull me through. /-- Rich Mullins/
>
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