[mythtv-users] RAID 5 of different sized disks for mythtv storage?

list at onnow.net list at onnow.net
Mon Sep 11 20:56:56 UTC 2006

Why each on its own bus? I am wondering if there is an issue with two  
on a bus?  I have two IDE ports and master/slave on each one.  It  
works, but is there something I am missing?


Quoting "Paul V. Gratz" <pgratz at gratz1.com>:

> Hey all,
>   I'm fairly early in the contemplation stage of setting up RAID for
> my backend storage needs.  Currently I've got LVM setup across three
> drives: part of a 250GB drive, all of a 200GB drive and all of a 300GB
> drive.  Those drives are broken up into 50GB partitions to make it
> easier to shift things around w/ LVM when the time comes.  I just
> bought a new 300GB drive.
>   Setting aside the issue of each drive needing to be on its own IDE
> bus (right now they share but I'm planning on picking up a new
> controller card to get to one drive per bus).  Is there a way to use
> RAID5 on 50GB partitions spread across several disks or is that asking
> for trouble.  I think I remember someone mentioning having that kind
> of setup.  Alternatively it sounds like I either need to get one more
> 300GB drive or settle on 250GBs for the RAID setup wasting the last
> 50GB of the two 300GB drives to make this work.  Is this correct?
>   I've read the two wiki pages on the subject but they don't really
> answer my question (although it looks like they have great info on how
> to set it up once I figure out the partitioning stuff).
> Thanks!
> Paul

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