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Conference ssag::ask_ssag

Title:Ask the Storage Architecture Group
Notice:Check out our web page at http://www-starch.shr.dec.com
Moderator:SSAG::TERZAN
Created:Wed Oct 15 1986
Last Modified:Fri Jun 06 1997
Last Successful Update:Fri Jun 06 1997
Number of topics:6756
Total number of notes:25276

6356.0. "MTBF &MTTR data for AS4100 & AS1000A are needed!" by HGOM11::HELENZHOU () Wed Jan 29 1997 02:59

**********************************************************************
    This question is cross posted on AS4100 NOTES also. Hope get your
          help ASAP
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Dear Sir,

There is big opportunity with AS4100 * 2 TruCluster, 8GB memory & 4CPU/each,
and many AS1000A . As it's a mission critical project,the customer requests for
the data of MTBF & MTTR about AS4100 and AS1000A. Otherwise, they wouldn't 
sign the order.

Could you help us to get such data or give me a contact point ASAP? 
Thanks ahead!

Best Reg.
Helen
                                                                            
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6356.1AMCFAC::RABAHYdtn 471-5160, outside 1-810-347-5160Wed Jan 29 1997 15:367
It'll vary with configuration.  Generally, the more dependent components the
lower the MTBF.  MTTR really only makes sense for redundent components.  It
depends on how long it takes field service to show up with the right replacement
part.  Hmm, or are they trying to figure out transition times?

Hot moving things tend to fail first, moving things fail next, hot things fail
next.
6356.2A reference MTBF about AS4100 is enoughHGOM11::HELENZHOUWed Jan 29 1997 18:3112
    Hello,
    
    Thanks a lot for your timely reply! 
    Yes, your're right. But I assume Digiatl should has a masure of MTBF
    about AS4100 with a certain configuration, which is enough to convince
    our customer. In P.R.China, for a critical project, the vendor must
    provide such a data to hel approval by governer. I suppose, the MTTR
    should be provide by local MCS department based on your explanation?
    Am I right? Looking forward to your further information!
    
    Reg.
    Helen