1 file system, 2 drives?

[Volodymyr Kostyrko]

26.07.2010 21:55, John Almberg wrote:
> One of my clients has a server that hosts big public-access type videos.
> He started off with a separate 200G drive just for video storage
> (FreeBSD is on another drive). This video storage drive is mounted as
> /videos.
>
> He's just bought another drive, but now I'm thinking of what to do with
> it...
>
> I know this is probably impossible, but FreeBSD can do so many
> miraculous things, that I can't help asking...
>
> Is it possible to use the second drive to 'expand' the /videos file
> system? So it would miraculously look like a single 400G drive?
>
> I ask this, because logically, I"m going to use the second drive the
> same way as the first: to store videos. It will be really awkward to
> have two mount points, and try to decide which video should get stored
> on which drive. And no doubt it will get more complex as we go along. It
> would be much simpler if this logical drive could just expand as needed.
>
> Any ideas much appreciated.

Making two devices appear as one:
  * vinum;
  * gstripe;
  * ZFS.

Making two devices look like there's only one:
  * union.

-- 
Sphinx of black quartz judge my vow.