[mythtv-users] Reassemble RAID with mdadm

John Drescher drescherjm at gmail.com
Fri Mar 19 14:41:30 UTC 2010

On Fri, Mar 19, 2010 at 10:39 AM, John Drescher <drescherjm at gmail.com> wrote:
> On Fri, Mar 19, 2010 at 10:00 AM, freedenizen <freedenizen at gmail.com> wrote:
>> On Fri, Mar 19, 2010 at 5:40 AM, John Drescher <drescherjm at gmail.com> wrote:
>>> There is something very strange here. I have 100+ such disks in raid
>>> and  I see 1 to 3 total failures per year running 24/7/365. And these
>>> are systems that I guarantee are used more than your Mythtv box.
>>> John
>> Seems about right to me, I see 3-4 drive failures a year that I
>> replace under warranty on a 6 disk array.  This was true when I was
>> using 500GB seagate drives, through the 1.5TB WD drives I have in
>> there now, and the other ones I had in between.  I'd run enterprise
>> class drives, but they don't make them in large capacities, and I
>> don't want to have to double the number of disks for the same space.
>> I'm also running raid6 after dealing with the a drive failure during
>> an array rebuild using raid5, and yes, I do scrub my arrays once a
>> month as well to check for errors.
> I am using desktop WDC and Seagate drives (even 7200.11 drives) and do
> not experience any where near this failure rate. To me this is insane.

Have you guys checked your power supplies? System overheating?


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