Depends. I've never seen an enterprise shop with enterprise system admins that were not more expensive than the storage guys. Close, but systems is the top payer. I've known many $200K and higher systems people. No storage people at $200K. But lots over $150K.
Cost more but can do more. I'm not saying what my pay is, but my bonus is more than my whole salary at my previous employer.
Yup, system admins generally can do "nearly anything." Whereas storage admins generally can do only one thing. And if you change storage products you generally have to replace your storage team too.
@Tim_G Newegg is pretty good at getting things out fast. I had to replace a SuperMicro mobo in my server last year for 1 XS host, i ordered it one morning got it the next. Their cases are great and can come with redundant power supplies. They definitely dont have the support network of Dell, but getting parts next day is not impossible. And their stuff rarely goes bad in my experience.
If you get parts from places like Ingram Micro, we can often get parts in around two hours!
Let's talk about the actual storage you choose for these machines.
Can be a lot of things: local drives, OEM drives, non-OEM drives, FusionIO cards, Winchester drives, SSD, hybrid arrays, DAS attached chassis... because it is an approach and not a product it is very flexible.
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