Alex,
We've used HP servers for the last 8-9 years. Right now we have L & N class
machines with a few K's still working hard every day. I find the K, L, and N
class machines VERY fault tolerant. If a power supply fails the other can hold
the entire load & their hot swap able. If a CPU fails the others take up the
load easily. If memory fails it gets partitioned off. Now memory & CPU's
aren't hot swap, but it takes almost no time to replace them. The problem has
always been disk. We're using EMC Symmetric with RAID1 (full mirroring) which
has worked out absolutely wonderful. We've had two disk failures that no one
knew about as the mirror took over and the replacement drive only took 10
minutes to re-silver itself. Very nice piece of hardware. Therefore do you
need ServiceGuard? No not really, but HP sure would like the extra cash!! By
the way we run 5 assembly lines, a web site, and the business as a whole in this
way 24x7 52 weeks a year. We've actually lost more production time to user
error than computer failure.
Dick Goulet
____________________Reply Separator____________________
Author: Alex Apostolopoulos <[EMAIL PROTECTED]>
Date: 3/20/2001 10:31 AM
Hi,
we are currently in the process of evaluating a high availiability cluster
for our production database. The final two solutions are:
SunCluster 2x420R 2Gig 2x450Mhz
Storage 100Gig
Hewlett Packard MC ServiceGuard
2xL-Class 2x440Mhz 2Gig
Storage VA 7100 100Gig
Based on our criterias (scalability, performance, TCO, price, reliability,
support, in house experience ...) it looks like a dead race...
Any suggestions or thoughts would be help full
cheers alex
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