[olug] GUI setup for LVM

[Brian Roberson]

Or just

cat /proc/mdstat

:)

On Apr 10, 2011, at 10:04 PM, Christopher Cashell <topher-olug at zyp.org> wrote:

> On Sun, Apr 10, 2011 at 9:22 PM, Obi-Wan <obiwan at jedi.com> wrote:
>> I could have sworn that last year when I setup my LVM RAID0 stripe
>> on my Ubuntu box (then 10.4, now 10.10) that I had a GUI to setup
>> everything.  I can picture what the GUI looks like, but I can't
>> remember the name of the app.  Now I have to setup another such
>> strip, but for the life of me, I can't find a GUI to do it.  Google
>> is no help.
>
> Was it setup during Ubuntu installation?  Ubuntu allows you to do RAID
> and LVM setup during installation via a GUI tool, as I recall (been a
> long time since I did a GUI install, usually use the alternate
> install).
>
> Also, was the disk setup with RAID via the Multiple Device (MD) layer
> (Linux software RAID), or was it setup via LVM (Logical Volume
> Manager)?  MD (command line tool: mdadm) only does RAID (and
> multipath), but supports lots of RAID levels.  LVM sits a step higher
> on the virtual disk system and is primarily for volume management, but
> can do some basic RAID and RAID type setups (mirror, linear, basic
> striping).
>
> MD is usually employed to handle the RAID setup, with LVM layered on
> top for easier disk management.  The easiest way to tell, if you're
> not sure, is to look for disks named '/dev/mdX' in the output of
> 'mount', 'df', and/or '/sbin/pvs'.  If you see any mdX devices, those
> are MD RAID virtual disks.
>
>> --
>> Ben "Obi-Wan" Hollingsworth                             obiwan at jedi.com
>
> --
> Christopher
> _______________________________________________
> OLUG mailing list
> OLUG at olug.org
> https://lists.olug.org/mailman/listinfo/olug