[NTLUG:Discuss] Software Raid ( was Small NAS box ideas?)

[Fred James]

So that brings me back to the question I've always wanted to ask:
Isn't a mirror (wherever, or however) only a possible protection against 
lost data due to a hardware failure?
Is there any mirror that would know the difference between "good" and 
"bad" data?
Have missed something here?

Jack Snodgrass wrote:

>>So, I'm thinking of a PII or one of the slower/cheaper Athlons, on a
>>MicroATX board with an extra 2-controller IDE card in a PCI slot.  Since
>>"cheap" is a goal, and performance isn't as critical, I'm figuring on
>>inexpensive IDE drives and software RAID.
>>
>
>
>I've seen a couple of post about software raid over the last 
>few days. Just wanted to throw in my 2 cents....
>
>I used to be a big fan of Software Raid. I did run into a 
>flow though that has soured me on the idea. 
>
>I had 2 drives that were mirrored. I had a very large 
>web log that ended up ( somehow ) corrupting the e2fs 
>partition. The mirrored drives mirrored the corruption. 
>I split the drives and neither one could be e2fscked 
>back to normal. 
>
>Just wanted to mention that. 
>
>jack 
>
>
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