I have a G4 1.33GHz single (therefore Ultra ATA drives) running
10.3.9, and will soon have critical data on RAID-1 mirrored drives.
I'd very much appreciate any advice about choosing a machine for
failover, criteria follow:
-the ability to quickly swap to another machine (< 1hr) is important
-having an additional user machine would be nice
-cost is an issue, but a $1000 difference is not insurmountable
Given that your G4 w drives costs more than that how do you expect a
second one to cost less than $1000???
Realistically speaking, we'd charge more than that just to come up
with a failover plan, not including any implementation costs. So this
isn't a realistic budget if you want one hour failover when this hw
goes.
-as this is my first time working in this capacity, I have no real
idea of how (un)likely a catastrophic failure is for an XServe--am I
unduly concerned?
No, you should be concerned, they do fail. The XServe fails, the
disks can fail, not to mention just data corruption. Depending on
what happens you could swap the drive modules to the failover system,
but you need to account for the applications you're running here,
something you've neglected to mention.
It's performed very well for 6 months, sharing a
room with infectious agents, neurotoxins, radioisotopes, and eek!--an
ice machine.
Yeah, let's hope you have very good filtered power then.
I had thought that a PowerMac G5 using Ultra-ATA disks might be
best... TIA, gurus, for input.
You need to define a policy here first. One that describes what
you're trying to accomplish and what your needs for business
continuity are. For instance are you trying to provide hw failover,
data failover, just backup and movement to another box while the
other gets fixed? What are the implications of the downtime, what's
acceptance criteria for recovery, how big are your recovery windows,
how much data needs moved, what applications need addressed, ...
Too many undefineds here. But $1000 seems unrealistic
--
-dhan
------------------------------------------------------------------------
Dan Shoop AIM: iWiring
Systems & Networks Architect http://www.iwiring.net/
email@hidden http://www.ustsvs.com/
iWiring provides systems and networks support for Mac OS X, unix, and
Open Source application technologies at affordable rates.
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