fibre HBA Failure Rate?

From: RIVERA Dominic (Dominic.Rivera@state.or.us)
Date: Tue Aug 19 2003 - 16:55:43 EDT


I'm in the process of planning some storage, and am fairly unfamiliar with the
fibre channel world. What I would like to know is how many of you have
experienced failures of you fibre channel HBAs? I have Qlogic 2340's, and at
this point I havn't planned to use multiple controllers on any host due to the
costs associated, if people report that they lose 1 out of 20 HBA's a year due
to failures I could change my tune pretty quickly though.

What do y'all think? How many 9's of uptime requirement do you need to justify
dual HBAs?

Thanks to all who respond. I will tally up the responses that I get and try
and forumlate some real-world statistics.

-Dominic

Dominic Rivera
(503) 947-7308
dominic.rivera@state.or.us
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