[mythtv-users] anyone using software RAID 5 for 1 terabyte +
dean.k.wilson at gmail.com
Sun Aug 6 15:29:27 UTC 2006
I have 5 250 GB hard drives that I've tried configuring a couple
different ways. The first set-up was all 5 in a 1 TB Raid5 array.
Unfortunately, in the first setup configuration (all 5 drives in Raid5
were used for /, /home, /usr, and /var as well as my mythtv directory)
I noticed that whenever the box was recording something while I was
watching something else, playback was jerky.
I have since reconfigured, and have /, /home, /usr, and /var on one
drive, and used the other 4 hard drives for a 750 GB Raid5 array just
for mythtv. In this configuration, I haven't had any problems at all.
I know others have used all 5 hard drives with no problem -- just not
me. It's possible that my motherboard is to blame (I wasn't using a
sata or raid card, just 5 hard drives plugged into the motherboard
with mdadm) or the fact that one of my five drives was IDE, and the
others were SATA.
I was concerned about upgradeability myself. So far, 750 GB seems to
be treating me just fine. ;) And I guess by the time I'll need to
upgrade, hard drives will be considerably cheaper -- I can always
replace each of the 250 GB drives with 500 GB drives and double the
On 8/6/06, mark <list at onnow.net> wrote:
> I need to build some serious space in a FC5 box.
> I am thinking 4 or 5 250 Gig drives in RAID5 using mdadm ( software RAID )
> Anyone using this or a similar config? How is the performance?
> The only bad thing about the raid 5 is that it cant be added to. Not
> sure how to address that one.
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> mythtv-users at mythtv.org
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