[aklug] Re: Raid "degraded"?

Good info... I always tell people when buying a UPS to make sure it
has an AVR. I had Stan explain what it does. Wanted more details.

Now I just need to get bak on RAID. I don't like having my data on one drive.

On Oct 8, 2010, at 10:46 AM, Arthur Corliss <acorliss@nevaeh-linux.org> wrote:

> On Fri, 8 Oct 2010, Damien Hull wrote:
>
>> Follow Arthurs instructions. Here's where I add my 2 cents. Even if
>> you can add it back I would replace the drive. I don't know why but
>> RAID seems to be picky about drives. If it kicked it out there might
>> be a good reason it did so.
>>
>> You could run it until it kicks it out a second time. Assuming you
>> even get to add it back.
>>
>> Maybe someone else with more knowledge can explain why RAID is picky.
>> Just something I've noticed.
>
> FWIW I've found that software RAID can throw errors because of power issues.
> I've had perfectly good drives (drives that repeatedly survive write-pattern
> tests) ejected. Putting those systems on a voltage regulator or some other
> line conditioning/UPS made them much more stable. Odds are, if the drive is
> going bad because of bad sectors, etc., it'll get ejected again, and it'll
> need to be replaced.
>
> I put my servers at home on APC 1750VA microprocessor-controlled multi-tap
> transformers. Picked them up many years ago used for $20/ea at AK Used
> Computers, and I wouldn't run without them now.
>
> --Arthur Corliss
> Live Free or Die
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Received on Fri Oct 8 10:58:11 2010