ioSafe N2: A Disaster-Resistant Synology DS213
by Ganesh T S on March 4, 2013 12:00 PM ESTPerformance Benchmarks - Multiple Clients
We put the ioSafe N2 / Synology DS213 through some IOMeter tests with a SMB share being accessed from up to 25 VMs simultaneously. The following four graphs show the total available bandwidth and the average response time while being subject to different types of workloads through IOMeter. IOMeter also reports various other metrics of interest such as maximum response time, read and write IOPS, separate read and write bandwidth figures etc. Selected metrics from the evaluation of the ioSafe N2 are available here.
Some of the data points for the average response time are beyond the plotted range in the graphs below. This is done on purpose to keep the scales consistent across evaluation of different NAS units. The 'missing' numbers can be seen in the evaluation summary. In any case, the metrics show that the ioSafe N2 / Synology DS213 provides very good performance for scenarios involving around 10 to 12 simultaneous clients. Beyond that, NAS units with dual network interfaces and more powerful processors are required.
A better point of comparison is the Synology DS211+ which we tested in the initial testbed build process. The scales are different (which is why we decided not to link the plots directly here), but the performance in terms of number of simultaneous clients remains approximately the same.
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Death666Angel - Wednesday, March 6, 2013 - link
Well, all I could find about the drives is that they are rated for operation between 5°C and 55°C. Not sure what ioSafe means.But I have to say, I find it hard to believe that any enterprise would subject their HDDs to non-climate-controlled rooms. So staying below 30°C environmental temperatures should not be a problem in any enterprise situation.
robb.moore - Monday, March 11, 2013 - link
That particular series of WD enterprise drives (FYYZ) runs hotter than most. Both Synology and ioSafe recommend a 30C operating environment in order to maintain 55C or lower on the drive PCB. Hope that helps!-Robb Moore
Robb Moore
CEO
ioSafe
random2 - Thursday, March 14, 2013 - link
I get your point although I'll be a great number of enterprise class drives are not installed in purpose built rooms serviced by hundreds of thousands of dollars worth of HVAC equipment.random2 - Wednesday, March 6, 2013 - link
*For the ioSafe N2, an updated version of the DataCast component is being used. This design allows for more water to be part of the mixture, and we can even see water droplets forming on the inside after operating the unit for a short time. The more water we have in the surrounding material, the better is the fire resistance.*Since this just seems to be so counter-intuitive to most of us working with electronics, can you shed a little more light on how ioSafe came up with this idea for cooling etc. I realize the actual drive housing must be hermetically sealed, but this is still pretty cool stuff.
ganeshts - Wednesday, March 6, 2013 - link
I had some coverage of the DataCast and other related components in the SoloPRO review: http://www.anandtech.com/show/5731/iosafe-solopro-... : DataCast is based on the final patent in that page (a super-saturated enclosure made of gypsum or similar material). Hope that answers your questions.random2 - Thursday, March 14, 2013 - link
Thank you Ganesh...Appreciate the link a great deal.Cheers.