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10 drive SCSI RAID array



 
 
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  #11  
Old October 2nd 03, 07:47 PM
Paul
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Yes....I agree... It seems inconsistent to build a RAID 1+5 array,
and then have no other redundancy in other areas at all...


Not inconsistent, but insane. It's not just environmental disasters can get
you, but logical errors can too (someone deletes critical data), etc.
Sometimes hardware can cause logical errors, such as a bad controller or out
of control OS/app writing garbage over the filesystem. Even redundant
controllers can't protect you from that. It doesn't happen often, but it
does happen.

"Highly available" is often mistaken for "there's no way I could lose data".
In these cases, if my recommendation for a backup system is not taken, I
usually write a memo (either for the record or for distribution, depending
on the sensitivity of the situation) outlining the failure modes that could
bring the system down, and recommendations for protecting against them.
That way my a$$ is covered when the thing goes belly up.

--paul


  #13  
Old October 13th 03, 06:19 PM
Rick Kunkel
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Thanks for all the input, folks! Much appreciated!

Rick Kunkel

 




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