Am 13.01.2016 um 14:06 schrieb sth...@nethelp.no:
we don't run *anything* on physical machines and all our nameservers (auth, caching with a mix of bind/unbound/rbldnsd) as anything else runs on top of VMware vSphere 5.5, previously 4.1/5.0 since 2008there is zero to no justification these days for run anything on bare metal when you read artciles like https://blogs.vmware.com/vsphere/2015/03/virtualized-big-data-faster-bare-metal.htmlComplexity?
which complexity?a virtual guest is less complex because you don't need a ton of daemons for hardware-monitoring, drivers and what not on the guest
you don't need to maintain high ability in each system you don't need to maintain monitoring in each systemcomplex are 30 phyiscal servers instead two fat nodes running a virtualization cluster with one powerful shared storage
I see mo particular reason to introduce VMWare when a normal OS on the bare metal works just great :-)
* move you bare metal setup online to new hardware * replace the complete storage online * run BIOS/firmware updates without downtimes * make complete backups of your whole servers * have 10,20,100 backups of the whole servers (OS, config and data) all that you can't do with bare metal
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