[Cialug] Virtual Box and NAS

[Dave Hala Jr]

Thanks for the offer, but I think I'm gonna need something a little
newer.

On Fri, 2011-08-12 at 17:37 -0500, Matt Stanton wrote:
> Speaking of Dell Powervaults and fibre-channel arrays,  I have a Dell Powervault 660 with an add-on drive shelf that would give you a grand total of 20 76GB 10k rpm drives.  I also have a couple of fibre-channel switches that match and a few HBAs...  I'd sell it all for a lot less than I have in it if you wanted something relatively quick to deal with.
> 
> It's just that it's radically old, and 20 drives gets you like 1TB in a RAID5 configuration.  ;)
> 
> -- Matt
> 
> William Christensen <staticphantom at gmail.com> wrote:
> 
> >If you have the money, look at QNAP. But I'm with David, for the price  
> >and performance building your own is really the way to go. I'm curious  
> >if there is a noticeable difference in power consumption though.
> >
> >-Will
> >
> >On Aug 12, 2011, at 4:20 PM, David Champion wrote:
> >
> >> You would expect that, but some real-world testing of the cheap NAS  
> >> boxes shows differently. They use really low-end Marvell imbedded  
> >> chipsets.
> >>
> >> You can buy a Dell T110 for about the same price as a soho NAS,  
> >> sometimes cheaper. It has a "real" processor, a good Intel gigabit  
> >> NIC, and can hold 4 SATA drives, and has an ESATA port. Put your  
> >> favorite NAS type OS on it or even just a generic Linux distro, and  
> >> it's going to beat the pants off a Netgear or Dlink NAS, and  
> >> probably be more stable.
> >>
> >> Google for NAS benchmarks, there are several out there.
> >>
> >> -dc
> >>
> >> On Fri, Aug 12, 2011 at 3:03 PM, Matthew Nuzum <newz at bearfruit.org>  
> >> wrote:
> >> On Fri, Aug 12, 2011 at 2:24 PM, Dave Hala Jr <dave at 58ghz.net> wrote:
> >> I really doesn't appear that there is much differance between the
> >> Readynas 1500 and the entry level Powervaults.
> >>
> >> My intent is virtualize about 6 servers and most likely launch the  
> >> VM's
> >> from a central location. They are mostly low-medium traffic  
> >> webservers.
> >>
> >> I'm not against building a server, but ya know, if I can just buy one
> >> and plug it in, that's not always a bad thing.  I was hoping to stay
> >> around the 1500-3k range. How many people actually build there own  
> >> rack
> >> servers anymore?
> >>
> >>
> >> I totally agree. I would expect that a GigE connection to a RAID  
> >> array (with presumably fast seek times) should be able to approach  
> >> an IDE drive's performance. I don't know much about these NAS's  
> >> you're mentioning but I've seen a low cost consumer device that can  
> >> NOT saturate the GigE port and seem to be bandwidth limited by  
> >> internal architecture. (<$200 units)
> >>
> >> According to http://en.wikipedia.org/wiki/Serial_ATA#Comparison_to_other_interfaces 
> >>  it suggests that IDE bandwidth just slightly exceeds 1Gb/s.  
> >> Considering TCP/IP overhead that means you should probably expect  
> >> slow-ide like performance at best. Probably not a great plan if your  
> >> VMs need much i/o bandwidth. Fibre channel looks like a better  
> >> choice if you can get it.
> >>
> >> I'll show my inexperience with this question: Is GigE 1Gb/s each way  
> >> (total 2Gb/s) assuming you have a full duplex connection? If so then  
> >> maybe IDE-like performance isn't unreasonable to expect.
> >>
> >> -- 
> >> Matthew Nuzum
> >> newz2000 on freenode, skype, linkedin and twitter
> >>
> >>
> >> ♫ You're never fully dressed without a smile! ♫
> >>
> >>
> >>
> >>
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