But I can tell you one thing for sure - and no offense - but anyone who questions the need for redundant power supplies and suggests using machines with a form factor like the Mac Pros in server room looks more in the "Doesn't know anything" category than some who throws around "ERP".
Have you heard of ILO and ILOMs - does Mac Pro have something similar? Or do you think it's useless as you have never used it and every server should have a display attached and admins should locally administer it? May be serial consoles and KVM are useless too as you have never captures and OOPS either?
No offense taken. I didn't suggest that anyone fill a server room with Mac Pros. I think it'd be stupid on purely obvious physical grounds: they aren't designed to make the most efficient use of available floor space in a mass collection. They don't have the airflow characteristics, they aren't particularly dense in terms of processing-power-to-space (in no small part because they aren't designed for headless use as a primary use case), etc. Hot-swappable drives in a server were really important, now less so in *many* (not all) environments, as critical storage is more and more offloaded and separated from the clustered, interchangeable, silent-failover processing.
As far as ILOM, yes, I'm intimately familiar. Writing SAN striping scripts for solaris 9 jumpstarting is what finally made me decide that I liked C and assembly better than sysadmin duties.
Point is, none of this is news to me. I wasn't saying it's all irrelevant, I was saying that anyone who thinks they need the "fully-redundant" infrastructure as specifically described above for their CRM is either selling, or has been sold, a bill of goods.
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