what do you do to protect against the 98% soft errors Tom?
db
mike wrote:
It's not a matter of not understanding when MY OWN experience is that I have
had more hard then soft errors. You seem to have a consistent problem of
believing your experience equals facts. Just because in your experience you
have had more soft errors then hard, doesn't make it true for everyone else.
If I have a client who lost an entire days work because I chose to
implement a solution that only solved soft errors I would be doing him a
disservice. I'm not sure how I would tell him that at the cost of thousands
of dollars of inactivity while down, was worth not spending a few hundred
more when the server was being built. It was just a few weeks ago that this
was exactly the case, a hard drive had failed hardware wise and the
engineering company would have been completely down had it not been for a
RAID. Instead he never noticed a problem at all, his company kept making
money and with zero down time the HD was replaced. This solution from the
80's and 90's as you say, kept him running in 2008 when your so called 98%
solution would have cost him a lot more in down time.
Mike
On Sat, Sep 6, 2008 at 9:55 AM, Tom Piwowar <[EMAIL PROTECTED]> wrote:
Are not we better off trying to do our best protecting all types of
errors?
Not necessarily. This is a great example of the importance of good
judgement. There are 2 types of errors with "soft" occurring 98% of the
time, and "hard" 2%. You want to make a major effort to protect against
the 2% and do nothing about the 98%. To me that is just silly. RAID is a
silly waste of resources.
All your problems are soft related, I've seen more hardware related.
I'm sorry the you don't understand that things change and the
significance of MTBFs. You keep implementing tech solutions from the '80s
and '90s.
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