On 02/13/11 7:06 PM, Nico Kadel-Garcia wrote: > It's also possible to save the budget, buy *two* similarly powerful > used systems with much lesser hardware specs, and have genuine > failover instead of the shared vulnerability of one expensive server > with high-availability components as you describe. I've done both, and > encourage using less expensive hardware in pairs: that makes upgrading > a lot cheaper and helps avoid the single points of failure of high end > hardware. HP's older "Proliant Server Packs" and their ability to > completely mishandle the Broadcom network drivers on RHEL and CentOS, > in particular, come to mind. you still want ECC memory in a server... and redundant power in a 1U is really no big deal.