Miscellaneous Factors and Final Words

The Netgear ReadyNAS 716 is a 6-bay NAS, and there are many applicable disk configurations (JBOD / RAID-0 / RAID-1 / RAID-5 / RAID-6 / RAID-10). Most users looking for a balance between performance and redundancy are going to choose RAID-5. Hence, we performed all our expansion / rebuild duration testing as well as power consumption recording with the unit configured in RAID-5 mode. The disks used for benchmarking (OCZ Vector 4 120 GB) were also used in this section. The table below presents the average power consumption of the unit as well as time taken for various RAID-related activities.

Netgear ReadyNAS 716 RAID Expansion and Rebuild / Power Consumption
Activity Duration Avg. Power Consumption
     
Idle   24.23 W
120 GB Single Disk X-RAID2 Initialization   28.12 W
120 GB RAID-0 to 120 GB RAID-1 (1 to 2 Disks) 17m 09s 32.46 W
120 GB RAID-1 to 240 GB RAID-5 (2 to 3 Disks) 33m 03s 34.70 W
240 GB RAID-5 to 360 GB RAID-5 (3 to 4 Disks) 31m 46s 37.35 W
360 GB RAID-5 to 480 GB RAID-5 (4 to 5 Disks) 34m 04s 39.45 W
480 GB RAID-5 to 600 GB RAID-5 (5 to 6 Disks) 35m 09s 41.08 W
600 GB RAID-5 Rebuild (Replace 1 of 6 Disks) 31m 02s 40.56 W

Coming to the business end of the review, the ReadyNAS 716 is a bold product from Netgear. While ReadyNAS OS 6 needs further work to achieve feature parity with the competition (more apps, SMB features such as SSD caching etc.), Netgear must be appreciated for making an attempt to bring 10-GbE capabilities to the desktop NAS form factor. Additionally, the choice of 10GBase-T makes the product even more ground-breaking.

For SMBs making their first foray into 10-GbE, the use of backward compatible 10GBase-T equipment is a big plus. Netgear has affordable 10GBase-T switches in the XS series (the 12-port XS712T and the 8-port XS708E). Introducing a 10GBase-T NAS at south of $3000 also serves Netgear well in terms of expanding the addressable market for those switches. All in all, the Netgear ReadyNAS 716 is an impressive and revolutionary product. The market for 10G equipment outside of a server rack is currently limited. However, we believe that the ReadyNAS 716 is just the start of many more good things to come in terms of affordable 10-GbE equipment outside the datacenter space.

Multi-Client Performance - CIFS
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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.

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