RE: No Mirror or Raid

[Buck Calabro <buck.calabro@xxxxxxxxxxxxxxxxx>]

Scott,  I agree with you.  I was trying to point out that Cost is involved.
Several earlier posters couldn't think of any reason to run naked.  Leaving
a very cost-conscious company, I full well understand the rationalisation
that takes place when thinking about the cost vs. benefit ratio.

Essentially, running naked is a calculated risk: the cost of the extra DASD
vs the cost of down time, system restoration, interrupted customer service,
etc.

Buck 

> -----Original Message-----
> From: Scott Klement 
> Sent: Wednesday, March 07, 2001 5:30 PM
> To:   MIDRANGE-L@midrange.com
> Subject:      RE: No Mirror or Raid
> 
> 
> Speaking from experience here...   we've had 4 disk failures in the past
> 8 years.
> 
> 2 of these failures were with unprotected disks.   The result was 2 days
> of downtime (per failure) , during that 48 hours, our department was here
> 24 hours a day working.
> 
> Besides the obvious stress of that situation, it cost us a great deal of
> lost business -- not to mention that it took a good year to finally
> find and iron out all the wrinkles from not being able to reproduce
> everything that had been done on that system in the 8 hours since the
> last backup.
> 
> The other two failures occurred when we had the disk mirrored.   For
> these, I spent 5 minutes on the phone with an IBM CE.   He got a
> replacement drive and swapped it out while we continued to use the
> system.   Completely, 100% painless.
> 
> I don't care what arguments are made on that point.  If the data on
> your system changes more often than you back it up, you NEED some sort
> of redundancy.    Doing without it is suicidal.
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