Thoughts -> Re: classiccmp server

From: Doc Shipley <doc_at_mdrconsult.com>
Date: Mon Oct 4 15:35:42 2004

Dan Wright wrote:

> On Monday 04 October 2004 14:58, John Foust wrote:
>
>>The point of RAID is to save your data when a drive fails.
>>If the logic board goes, or especially the motor fails,
>>you're out of luck.
>
>
> True, but those failure modes are much less common the a media failure or head
> crash.
>
> That brings me to another point, though -- if you had 2 seperate disks in the
> same enclosure, with no environmental isolation between them, you'd likely
> kill both disks with a head crash on either one. A head crash in a modern
> high-speed drive tends to throw a lot of pulverized platter and head bits
> around inside the disk, damaging the other platters that may not have been
> involved in the actual crash. So I think you'd need to isolate the sections
> from each other with some kind of airtight (or at least
> really-small-bits-of-metal tight) seal; probably doable, but would take up
> more room that you're pretty low on already.
>
> That sure would make an interesting drive :) If it could be pulled off cheap
> enough, it would be well worth it, too.

   Cheap enough to sell the idea of throwing away 2 drives when one fails?


        Doc
Received on Mon Oct 04 2004 - 15:35:42 BST