[mythtv-users] 2 TB Hard Drive Recommendations

DaWorm daworm at gmail.com
Tue Dec 7 20:20:08 UTC 2010

If you go with Ubuntu, make sure you install from the alternate
install CD/DVD, not the standard.  It makes getting mdadm and general
raid installation a ton easier.  I never did get it to start the raid
properly from boot (booting from a separate boot drive, not from the
raid) with the standard Ubuntu - but I could start it by hand
afterwards.  Reinstalled using the alternate install disk, answered
the appropriate questions in the partitioning section, and it works
like a champ with my 4 drive WE15EARS array.  I partitioned the drives
with fdisk starting at sector 64 instead of 63 and used partition type
of Linux Raid, then put an EXT4 partition on the resulting md0 device.


On Tue, Dec 7, 2010 at 3:01 PM, jmk <jmk at foofus.net> wrote:
> On Tue, 2010-12-07 at 11:31 -0800, Kevin Ross wrote:
>> FWIW, I have 2 WD10EARS drives, along with 3 WD10EADS drives, in a RAID5
>> array.  I needed to fiddle with fdisk to get the partitions started on a
>> 4K boundary.  By default, fdisk wants to start a partition at sector 63,
>> which is obviously not on a 4K boundary, and would cause performance
>> degradation if left like that.
>> I haven't had any problems with the WD drives in my array.  Also, these
>> drives have been fast enough for MythTV.  I sometimes record up to 4 HD
>> shows at once, while watching from a frontend, while commflagging, and
>> haven't had problems with the drives not being able to keep up.  I do,
>> however, keep my MySQL database on a separate drive.
> Cool.
> Did you find you need any specific versions of utils or kernel to make
> things happy with that setup? I'm replacing a Gentoo-based backend, but
> will probably just throw Ubuntu 10.04 or 10.10 on there. I guess I'd
> make sure I use the latest gdisk to partition it, but I'm hoping
> everything else would just install fine as is.
> Joe
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