We put the Synology DS415+ through some IOMeter tests with a CIFS 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. The tool also reports various other metrics of interest such as maximum response time, read and write IOPS, separate read and write bandwidth figures etc. Some of the interesting aspects from our IOMeter benchmarking run can be found here.
The attractiveness of the Rangeley platform is brought out by the latencies observed when subject to heavy loading. This is one of the key metrics that shows the advantage of a a SoC tuned towards storage appliances (particularly when compared to the previous-generation Atom platforms).
Does this (or any NAS that you know of) support simultaneous access from both the USB port as well as over the network? I understand the "only one interface can control the storage at one time" issue, but I'm really hoping someone is working to overcome this, even if it means that one of those interfaces is locked into read-only mode.
The USB ports are host ports, i.e, storage devices or WLAN USB sticks can be connected to it. The USB port can't be used to connect to a PC for using the unit as a DAS (direct-attached storage).
Seriously, articles with graphs showing two aspects of the same thing (e.g. rebuild times in this case) need to be shown on an X-Y chart, so that the trade-offs are immediately and obviously visible.
The same goes for many similar pairs of charts you show in other reviews, e.g. power-vs-noise in GPU or case reviews.
I almost spat coffee all over my monitor when I saw the tertiary drive in the test rig. That is a very expensive way of eliminating the test rig as a performance bottleneck in the tests.
It's about time that transcoding includes h265 support, and be mentioned in reviews. This DS415+ unit may provide this for resolutions up to 1080p. This is for sure not supported by the DS415play, as it won't have the cpu power to do this in sw, but the DS415+ just may do it.
I have quite a movie collection and I am halving the needed storage by transcoding the files from h264 to h265, including all the sub 4k files (which is 100% of them ;-) I may be an early h265 adopter, but the cpu intensive transcoding is worth the effort already. The x265 coder is of such a good quality now (since august at least), that I dare to go for it.
It would be nice to have the DS Video capability to transcode h265 to something suited for current tablets and media players!
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Arkive - Thursday, October 30, 2014 - link
Does this (or any NAS that you know of) support simultaneous access from both the USB port as well as over the network? I understand the "only one interface can control the storage at one time" issue, but I'm really hoping someone is working to overcome this, even if it means that one of those interfaces is locked into read-only mode.ganeshts - Thursday, October 30, 2014 - link
The USB ports are host ports, i.e, storage devices or WLAN USB sticks can be connected to it. The USB port can't be used to connect to a PC for using the unit as a DAS (direct-attached storage).rpg1966 - Thursday, October 30, 2014 - link
Seriously, articles with graphs showing two aspects of the same thing (e.g. rebuild times in this case) need to be shown on an X-Y chart, so that the trade-offs are immediately and obviously visible.The same goes for many similar pairs of charts you show in other reviews, e.g. power-vs-noise in GPU or case reviews.
echtogammut - Thursday, October 30, 2014 - link
I almost spat coffee all over my monitor when I saw the tertiary drive in the test rig. That is a very expensive way of eliminating the test rig as a performance bottleneck in the tests.Salipander - Thursday, October 30, 2014 - link
It's about time that transcoding includes h265 support, and be mentioned in reviews. This DS415+ unit may provide this for resolutions up to 1080p. This is for sure not supported by the DS415play, as it won't have the cpu power to do this in sw, but the DS415+ just may do it.I have quite a movie collection and I am halving the needed storage by transcoding the files from h264 to h265, including all the sub 4k files (which is 100% of them ;-) I may be an early h265 adopter, but the cpu intensive transcoding is worth the effort already. The x265 coder is of such a good quality now (since august at least), that I dare to go for it.
It would be nice to have the DS Video capability to transcode h265 to something suited for current tablets and media players!
DanNeely - Thursday, October 30, 2014 - link
Is the ram soldered to the PCB, or in a dimm that could be swapped out for an ECC module?skarnm2 - Thursday, October 30, 2014 - link
I did read elsewhere it was soldered. It is on the larger models it's swap-able.chubbypanda - Thursday, October 30, 2014 - link
Non-ECC and ECC modules aren't interchangeable. Do not attempt!mpbrede - Thursday, October 30, 2014 - link
Define COTS, please? Some form of "... Off The Shelf"ganeshts - Thursday, October 30, 2014 - link
Commercial :)I thought it was pretty common usage, and a cursory search online makes me think I may not have been mistaken: http://en.wikipedia.org/wiki/COTS