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Technology Stocks : Son of SAN - Storage Networking Technologies
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To: David A. Lethe who wrote (3126)4/18/2001 7:08:30 AM
From: KJ. Moy  Read Replies (1) of 4808
 
David,

<<With the advent of the internet, the shops buying most of the FC products today are 24 x 7. There is no longer such a thing as a maintenance window or downtime window.>>

Yes, there is. I do have first hand knowledge. The last fortune 100 high tech companies I worked for are still doing it. The window is Sunday Morning 1:00 am est for a duration of 2 hours max. However, the network I supported was never down completely. Sections of them comes down for new software loading or making hardware changes (yes, including adding or removing disks/controllers)

<<When you say that nobody should be doing configuration management in a normal operating environment, then you are incorrect (or perhaps dating yourself to the late 1990's)>>

May be I should clarify myself. Normal operating environment is anytime outside of the window I mentioned above.

<<Also just saying that the hardware doesn't fail often isn't relative. There is a lot of push from many vendors to go from the 4 9's to 5 9's for reliability and availability. (99.9999 to 99.99999 up time). They are paying big bucks for this as well.>>

I said hardware that are used in mission critical applications do not fail often, i.e. availability of 99.9% like you said. The reason I brought this up was to argue on your point 'A 3-second LIP being unacceptable because of hardware failure and/or during adding/removing hardware from a FC loop.' The problem you mentioned was operation problem, not technological limitations of FC for applications such as streaming video.

KJ Moy
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