Seagate NAS 4-Bay with Marvell ARMADA 370 Review
by Ganesh T S on July 24, 2014 8:30 AM ESTSingle Client Performance - CIFS on Windows
The single client CIFS and iSCSI performance of the Seagate NAS 4-bay was evaluated on the Windows platforms using Intel NASPT and our standard robocopy benchmark. This was run from one of the virtual machines in our NAS testbed. All data for the robocopy benchmark on the client side was put in a RAM disk (created using OSFMount) to ensure that the client's storage system shortcomings wouldn't affect the benchmark results. It must be noted that all the shares / iSCSI LUNs are created in a RAID-5 volume. The NAS 4-bay manages to compare favorably against the EX4, but falls consistently behind the LenovoEMC ix4-300d (a unit that comes in at a cheaper price point, but without the hot-swap feature). Other solutions which are consistently better than the NAS 4-bay are priced quite a bit higher. Benchmark numbers are provided in the graphs below.
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MadMan007 - Thursday, July 24, 2014 - link
Whoa, you mean a motherboard that costs more than this entire NAS performs better? SHOCKING!JeffFlanagan - Thursday, July 24, 2014 - link
Thanks Ganesh and others who commented on the cooling.harshw - Thursday, July 24, 2014 - link
Ganesh, I can attest to the fact that LaCie's fan design on their 5Big boxes for example - isn't really good for thermals. Like I commented earlier, I had a LaCie 5Big NAS Pro consistently overheat here in California where the ambient room temps can easily rise to 80F. I replaced the 120mm Noctua with a 150mm Thermaltake and also cut out the fan grill. It worked but the LaCie RAID config was already broken and no amount of recovery would help.ganeshts - Thursday, July 24, 2014 - link
That is disappointing to hear. I have the 5big Pro running without issues, but I have it perched on a shelf open on all four sides (basically a garage rack converted to hold stuff) where there is plenty of air-flow. One issue with the 5big box is that you have to make sure the underside is pretty clear (air intake is through that).That said, I do have more confidence in the NAS 4-bay, as the air is being pulled in through the front side of the unit. But, then, again, the NAS 4-bay doesn't have a metal body, so some heat loss through conduction will be missed.
beginner99 - Friday, July 25, 2014 - link
With these huge RAID-Rebuild times greatly increasing the risk of a second drive failure, wouldn't it make sense to add a dedicated chip that speeds this up? This would even help during normal operation?Zan Lynx - Friday, July 25, 2014 - link
As far as I know, no current hardware is limited by the CPU when doing RAID rebuild. It is always the amount of time that it takes to read and write so many terabytes of data.Now maybe if the drive bays were fitted with SSDs it would be a problem.
jabber - Friday, July 25, 2014 - link
From looking at recent tests and from my own kit at home it really looks like you need around 500MHz of ARM CPU power per 20-22MBps of data pumped down the cable.Zan Lynx - Friday, July 25, 2014 - link
Maybe the NAS builders should start using AMD Bobcat. My little home server built on a E-350 can fill a gigabit Ethernet link.wintermute000 - Sunday, July 27, 2014 - link
I agree. heck even Bill us the cost difference, what 50 more or whatever for a real cpu like a celeron