I'm about to do the exact same thing. ~28TB onsite at the NOC to another of our locations connected via 4x10Gbps fiber to an identical box for mirroring. On Apr 3, 2016 9:41 PM, "Eric Kuhnke" <[email protected]> wrote:
> All of my hypervisor machines and guest xen PV and HVM machines are now on > fast SSDs... The on-site backup server is still RAID10 HDD based for $/GB > reasons, it doesn't need fast throughput, and its twin offsite machine is > also HDD based. > > Interestingly for many 'enterprise' applications you don't need that much > disk space at all, if things are set up right. So you can use expensive and > high quality SSDs. Example, the Sugar/SuiteCRM VM has 20GB of disk total > allocated to it and is using maybe 4GB of that, of which 85% is the > operating system itself. > > I remember buying a 240GB Intel SSD for $1/GB three years ago for my > laptop, and thinking that was great. Now a Samsung 850 Evo 1TB is nearly > the same price. > > > On Sun, Apr 3, 2016 at 7:37 PM, Josh Reynolds <[email protected]> > wrote: > >> I'm about to move all of my arrays to SSD in the next few months. 1-2TB >> SSDs are coming way down in price. >> >> I did just build a new NVR, but it's raid10 HGST 8x2TB. >> On Apr 3, 2016 9:35 PM, "Eric Kuhnke" <[email protected]> wrote: >> >>> Yeah, I agree. Unless it was for video editing temporary disk space. Or >>> a setup like Backblaze's storage pods where data is redundantly stored >>> across multiple unique machines. >>> >>> I wonder what the rebuild time is if you set up an array like seven 10TB >>> in mdadm RAID6 and an eighth drive as hot-spare. 18 hours? >>> >>> >>> >>> On Sun, Apr 3, 2016 at 7:31 PM, Josh Reynolds <[email protected]> >>> wrote: >>> >>>> I would be terrified to run anything but raid10 on those. >>>> On Apr 3, 2016 9:30 PM, "Eric Kuhnke" <[email protected]> wrote: >>>> >>>>> As compared to the 6TB price which is about 4.3 cents per GB: >>>>> >>>>> >>>>> http://www.newegg.com/Product/Product.aspx?Item=N82E16822145973&cm_re=6TB_HGST-_-22-145-973-_-Product >>>>> >>>>> >>>>> 10TB: >>>>> http://akiba-pc.watch.impress.co.jp/docs/news/news/20160401_751351.html >>>>> >>>>> It's about 7 cents per GB... Price is high so far, but if you need a >>>>> huge amount of storage in a small space (like a 1U server with 4 x 10TB + >>>>> 1 >>>>> boot SSD on motherboard), can be worth it. >>>>> >>>> >>> >
