[mythtv-users] 2 TB Hard Drive Recommendations

[Andrew]

On Tue, Dec 7, 2010 at 2:24 PM, Kevin Ross <kevin at familyross.net> wrote:

> On 12/07/2010 12:01 PM, jmk 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
>>
>
> No, running Debian Squeeze, kernel 2.6.32, mdadm version 3.1.4.
>
> Note that my main OS drive isn't on a RAID, just a single disk.  I'm not
> booting from RAID.
>
>
>
>
Note that Green drives are not recommended for raid arrays because of timing
out and goofing your raid array.  WD's "RE" (RAID Edition) HDDs support
Time-Limited Error Recovery ("TLER" ):
 <http://www.wdc.com/en/products/productcatalog.asp?language=en>
More info here:

http://www.tomshardware.com/forum/251076-32-raid-issues-western-digital-hard-disk

I went WD Black RE's and they are speedy and have been reliable.

Andrew
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