On 1/3/14, 3:14 PM, Roman Naumenko wrote: > ----- Original Message ----- >> On 1/3/14, 12:13 PM, Roman Naumenko wrote: >>> Saso Kiselkov said the following, on 03-01-14 5:47 AM: >>>> So you'd rather pay $650 instead of $400 for the exact same 10TB >>>> instead? (i.e. 10x1TB ($65) vs. 5x2TB ($80)) Why are you so >>>> heavily >>>> focused on the number of spindles vs capacity? >>> Well, theoretically if 1TB works I don't see the reason why 2TB >>> wouldn't. >> Because they're much more expensive on a $/GB basis than equivalent >> 3.5'' drives (and much slower). Also, you can get 4TB 3.5'' drives >> today, whereas 2.5'' maxes out at half that. > > Yeah, right. msa50 won't be as much efficient as enclosure with 3.5 disks. > There are MSA with 3.5, but they are even less suitable for home and not so > cheap. > >>>> Also, the IcyBox I recommended to you is a tiny thing you can run >>>> on >>>> your desk or stick underneath a staircase out of sight. The MSA50, >>>> on >>>> the other hand, is a huge rack-mounted hunk of loud fans. Not >>>> least of >>>> all it's gonna cost you a lot more over time if you factor in >>>> electricity costs (http://dft.ba/-7EzE). >>> Power is 200W, I can live with that. >> >> 200W running for 8760 hours (1 year) comes to around $200 (at >> $0.12/kWh). That IcyBox consumes less than 1/4 of that, so if you're >> examining your finances so carefully, factor in an extra $300 over 2 >> years you'll spend on the MSA50. >> >>>> I just don't get this obsession of yours with datacenter-grade >>>> hardware. >>> Expandable and works. >> And a small box with a power supply and pass-through connectors >> somehow >> doesn't work? You know you can get SFF-8088 to individual SATA/SAS >> fanout cables, right? And once you stuff the HP MSA50 full of 1TB >> hard >> drives, it's not expandable anymore. And if you're going to be >> replacing >> hard drives in the MSA50, you can do the same in the IcyBox. >> >>> Nothing with SFF-8088 comes even close with the >>> price (plus all those brand-new jbods in the price range 1000-2000 >>> - is >>> utterly junk). >> This is used outdated 3G SAS kit you're showing, so it's pretty clear >> it'd be much cheaper. >> >> Overall I think you're trying to save money on entirely the wrong >> things. Get a few good high-capacity disks and a low-power enclosure >> and don't worry about buying a SAS HBA (or if you do, buy one which >> doesn't limit you to 2TB per drive). > > Ok, lets run the numbers for icybox > http://www.raidsonic.de/data/datasheet/raidon/EN/datasheet_iS2880_e.pdf > I'll probably need this model, iS2880-8S-U5D - 245$ on amazon.
What do 8x 2.5'' spindles give you that 5x 3.5'' don't? Do you need the extra performance? -- Saso _______________________________________________ OpenIndiana-discuss mailing list [email protected] http://openindiana.org/mailman/listinfo/openindiana-discuss
