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

Paul V. Gratz pgratz at gratz1.com
Mon Sep 11 20:53:02 UTC 2006

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).


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