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Forum Discussion
Readynas Ultra 2 plus Vs Readynas 312
Hi,
I am about to purchase a new NAS drive and need some advice on choosing.
I was originally going to choose the Readynas Ultra 2 Plus primarily because of my experience with its good performance and in particular the speed at which it performs rsync to a USB drive. Rsync backups and IO speeds in general are extremely important to me and I find the Ultra 2 is miles ahead of the even older Readynas Duo when it comes to rsync backups.
http://www.netgear.co.uk/service-provider/products/storage/residential-soho/RNDP200U.aspx
However I am keen to go with the latest generation ReadyNas 312 because of all the latest features:
http://www.netgear.com/business/products/storage/ReadyNAS-300/RN31200.aspx
My main questions are:
- Would the rsync backup to a usb drive on the 312 be as fast or faster than rysnc backup on the the ultra 2 plus
- Are there any downsides in performance or features with the 312 compared to the older ultra 2 plus
Thanks for your advice
Costas
I am about to purchase a new NAS drive and need some advice on choosing.
I was originally going to choose the Readynas Ultra 2 Plus primarily because of my experience with its good performance and in particular the speed at which it performs rsync to a USB drive. Rsync backups and IO speeds in general are extremely important to me and I find the Ultra 2 is miles ahead of the even older Readynas Duo when it comes to rsync backups.
http://www.netgear.co.uk/service-provider/products/storage/residential-soho/RNDP200U.aspx
However I am keen to go with the latest generation ReadyNas 312 because of all the latest features:
http://www.netgear.com/business/products/storage/ReadyNAS-300/RN31200.aspx
My main questions are:
- Would the rsync backup to a usb drive on the 312 be as fast or faster than rysnc backup on the the ultra 2 plus
- Are there any downsides in performance or features with the 312 compared to the older ultra 2 plus
Thanks for your advice
Costas
4 Replies
Replies have been turned off for this discussion
cmavroudis wrote:
My main questions are:
- Would the rsync backup to a usb drive on the 312 be as fast or faster than rysnc backup on the the ultra 2 plus
It has a faster CPU and some USB3 ports (edit: 312 has two USB3 ports on the rear, while the U2P has one on the front) so it should be as fast or faster than the U2P.cmavroudis wrote:
- Are there any downsides in performance or features with the 312 compared to the older ultra 2 plus
Whilst the new OS has a number of nice new features, it is currently missing some features such as disk spin-down.- Thanks for the reply,
What does the absence of spin down mean for my drives? Does it shorten the lifespan of my disks? - There are various opinions on what disk spin-down means for the life of disks, but the main benefit of the feature is to reduce power usage on systems that are not used at all for a large portion of the day.
Yes.mdgm wrote: There are various opinions on what disk spin-down means for the life of disks, but the main benefit of the feature is to reduce power usage on systems that are not used at all for a large portion of the day.
On the lifetime question - spinning up the disk puts more stress on the bearings (and takes more power) than keeping it spinning does. However, not spinning at all doesn't put any stress on the bearings. So in some cases, the spin-down might extend your disk lifetime, in others it might reduce it. The problem is that what matters is how long the disk stays spun down, which of course requires predicting the future. I have never seen any statistical data on this subject.
Anyway, if you enable spin-down on a NAS it is sensible to use a fairly long threshold, which will limit the number of spin-ups you do in a day. Perhaps an hour.
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