We put the Netgear ReadyNAS 716 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. IOMeter also reports various other metrics of interest such as maximum response time, read and write IOPS, separate read and write bandwidth figures etc. For this benchmark, the two 10GBase-T ports were link aggregated and connected to two ports teamed on the XS712T. The XS712T's SFP+ ports were teamed and connected to the teamed SFP+ ports of the GSM 7352S (to which the rest of the VMs were physically connected). The graphs below present the results. Other interesting aspects from our IOMeter benchmarking run can be found here.
The graphs for the some of the rackmount units we have evaluated earlier are also presented as reference, but do remember that most of them have different number of disks in RAID-5 configuration. The Synology DS1812+ was also benchmarked with hard disks instead of the OCZ Vector SSDs used for the ReadyNAS 716. With speeds reaching close to 800 MBps in RAID-5 for certain access patters, the RN716X lives up to the claim from Netgear of being the fastest desktop NAS. It is possible to obtain even higher bandwidth numbers for specific access patterns by enabling jumbo frames in the network path.
One thing I would like to see in all your NAS reviews is any "Branch Office" replication features and how well they work as compared to DFS on a Windows box. (over VPN etc)
Synology DS3612xs isn't even mentioned as a comparable product here??
12 bays for $3000, plus the extra $350 or so to install an Intel X540-T1 10GbE NIC.
I have a DS3612xs, fully populated with 3TB drives in RAID-6. Direct-connected to a desktop PC because 10GbE switches are not ready for the home office market yet.
Has been utterly reliable for >1 year. For large file transfers (typically a few 10's of GB of media files), I routinely get 700-900 MB/s writing to the NAS and 400MB/s reading from it.
(The SSD's on the desktop PC are 2x SATA-3 in RAID-0. They are the limiting factor when reading from the NAS because each disk can only support about 200MB/s sustained sequential write... typical for current high-end SSD's.)
I am thinking about buying one of these Ds3612xs for a mission critical production environment to host a number of VMware virtual machines. What kind of IOPs are you getting? Are you running the SSD read cache and does it help? Thanks!
Any chance of actually testing the error detection / correction and redundancy features? What happens if you yank the power cord during a metadata write? What if you flip a bunch of bits on a drive? These are primary selling points of these devices, and have the potential to massively impact buyers, so it'd be really useful to know this kind of thing.
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lazn_ - Thursday, January 2, 2014 - link
One thing I would like to see in all your NAS reviews is any "Branch Office" replication features and how well they work as compared to DFS on a Windows box. (over VPN etc)xbrit - Thursday, January 2, 2014 - link
Synology DS3612xs isn't even mentioned as a comparable product here??12 bays for $3000, plus the extra $350 or so to install an Intel X540-T1 10GbE NIC.
I have a DS3612xs, fully populated with 3TB drives in RAID-6. Direct-connected to a desktop PC because 10GbE switches are not ready for the home office market yet.
Has been utterly reliable for >1 year. For large file transfers (typically a few 10's of GB of media files), I routinely get 700-900 MB/s writing to the NAS and 400MB/s reading from it.
(The SSD's on the desktop PC are 2x SATA-3 in RAID-0. They are the limiting factor when reading from the NAS because each disk can only support about 200MB/s sustained sequential write... typical for current high-end SSD's.)
centosfan - Saturday, January 18, 2014 - link
I am thinking about buying one of these Ds3612xs for a mission critical production environment to host a number of VMware virtual machines. What kind of IOPs are you getting? Are you running the SSD read cache and does it help? Thanks!klassobanieras - Sunday, January 12, 2014 - link
Any chance of actually testing the error detection / correction and redundancy features? What happens if you yank the power cord during a metadata write? What if you flip a bunch of bits on a drive?These are primary selling points of these devices, and have the potential to massively impact buyers, so it'd be really useful to know this kind of thing.