[mythtv-users] 2 TB Hard Drive Recommendations
markknecht at gmail.com
Tue Dec 7 22:02:33 UTC 2010
On Tue, Dec 7, 2010 at 1:23 PM, John Drescher <drescherjm at gmail.com> wrote:
> On Tue, Dec 7, 2010 at 4:18 PM, Mark Knecht <markknecht at gmail.com> wrote:
>> On Tue, Dec 7, 2010 at 1:02 PM, John Drescher <drescherjm at gmail.com> wrote:
>>>> 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" ):
>>>> More info here:
>>>> I went WD Black RE's and they are speedy and have been reliable.
>>> TLER is not necessary on linux software raid or zfs raid. It is needed
>>> on hardware raid or on windows software raid.
>> I'm not doubting you John but I never know who to believe. When I had
>> problems with a 3-disk RAID1 using WD10EARS drives one of the reasons
>> I was directed to the RAID Edition 500GB drives was specifically
>> because they did support TLER. There was never another reason proposed
>> (that I remember) for that RAID not working correctly.
>> Whatever the reason I was completely unable to build a good RAID that
>> worked without delays using the WD10EARS. Possibly newer mdadm release
>> have solved this but if they have I haven't specically noticed any
>> discussion about it on the mdadm list which I am subscribed to.
>> I still have 4 or 5 of them sitting here. Should I spend the time to
>> see if they've become usable?
> There is a lot of discussion about using mdadm on the hardforum.com
> website. This along with me having a couple of mdadm arrays with non
> TLER WDC black drives makes me believe this is true. Search for TLER
Thanks John. I'll check it out.
The difference may be you are talking black drives and my WD10EARS are
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