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Forum Discussion
RN102 write performance
I have been looking at 3 different NAS recently and trying to decide which one to get. I really like the RN102 because of btrfs however in some tests the write performance seems to be horrible. In particular http://us.hardware.info/reviews/5108/18/27-2-bay-nas-devices-tested-performance---1-disk-intel-naspt the test on directory copy speed. The problem is that the article is fairly old and the performance issues could have been fixed by now. I am planning on putting Dual 4TB 7200 HGST NAS drives in it. I will be the only person using the NAS and mostly I will be using it for videos, backups and code storage. That is the part that bothers me because I would have tens of thousands of small files and I would prefer that not take an eternity for copy files to it.
The snapshot ability looks very nice though.
I would say the write speeds are really the only thing holding me back from getting this NAS. I have looked at synlogy and qnap NAS also but they don't support the snapshotting feature.
Thank you for your help.
The snapshot ability looks very nice though.
I would say the write speeds are really the only thing holding me back from getting this NAS. I have looked at synlogy and qnap NAS also but they don't support the snapshotting feature.
Thank you for your help.
2 Replies
- To be fair to the RN102, it has a lot going on at the OS level, due to its use of BTRFS on top of Linux, so performance at times is not the best when compaired to devices that use more basic file systems. The real issue is do you think you will gain in anyway from any of the other features that are included (such as snapshot).
I use a RN104 (4 disks in RAID 5) and again it can be slow at certain tasks due to the processor and available memory, the performance issue I see seems to be the proccessing power required to handle the RAID 5 configuration and things like RSYNC. I also use a RN314 in a work environment that has a lot more CPU power (and memory) which does not show the same types of issues.
You should check the price of RN104 in your area, I can currently purchase the RN104 at a cheaper price than the RN102 in the UK.
I would say that you should just accept the setup time of coping the files across. BTRFS has a lot of features that should allow general access and updates to operate well over the long term. This is often something often overlooked in reviews which focus more on the setup process. - Turning off antivirus protection will speed up the write speed.
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