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Forum Discussion
Readynas 316 extremely slow after update to 6.4.2
Upgraded firmware from 6.2 to 6.4.2
Backing up via USB 3.0 to an external hard drive has become dramatically slower (10 hours originally, now takes 29+ hours) for a equivalently sized backup.
...
Hi
I have a 102 which up to 6.2.5 was running perfectly, last November I updated the firmware to 6.4.0 and since then nothing but problems.
i am now on 6.4.2 and like you my backup which used to take 1 hour is now taking 4 hours.
I am not and never have run AV and my latest most helpful 'advice' from Netgear is that I shouldn't use this unit for business.....to which I replied that this unit is at home and of the 150gb of data on it only about 25gb is some business and after all data is data, it's 1's and 0's, the unit doesn't discriminate data. In any event it should be working properly full stop.
i have virtually given up hope that I will get any useful advice or help from Netgear.
Looking at another solution for dealing with my data.
good luck.
I don't use USB backup, so I haven't monitored its performance. I did see a significant slowdown for CIFS access with 6.4.x. Eventually I decided to do a factory reset with 6.4.2, and performance greatly improved. But I don't know if that would help your situation or not.
but the factory reset would delete all of my stored data (4TB) ... correct?
Sorrt just noticed that the posting indicates Readynas 102 -- it is a Readynas 316 ...
alliancesteve wrote:
but the factory reset would delete all of my stored data (4TB) ... correct?
Correct. I had about the same amount of data I had to restore.
alliancesteve wrote:
Sorrt just noticed that the posting indicates Readynas 102 -- it is a Readynas 316 ...
The reset might still improve performance.
In my case, the volumes were quite old. Netgear made some adjustments to the disk configuration, which required a reset to take advantage of. I don't really know if those configuration changes did the trick, or if the new disk allocation was simply faster.
Performance prior to 6.4 was about 70 MB/s read and 50 MB/s write. Post upgrade, it was about 35 MB/s read and write. After the reset, it was ~70-75 MB/sec read and write.
StephenB wrote:The reset might still improve performance.
In my case, the volumes were quite old. Netgear made some adjustments to the disk configuration, which required a reset to take advantage of. I don't really know if those configuration changes did the trick, or if the new disk allocation was simply faster.
Performance prior to 6.4 was about 70 MB/s read and 50 MB/s write. Post upgrade, it was about 35 MB/s read and write. After the reset, it was ~70-75 MB/sec read and write.
A clean, new filesystem will have higher performance than one that isn't clean. There have been some filesystem improvements over time which can help, some of which may require creating a new volume to take advantage of. We did a major kernel upgrade in 6.4.x allowing us to make use of improvements in the new kernel. Also we have better default settings for new shares than on some very old firmware. On ARM systems e.g. 102 since 6.2.0 we have had snapshots and CoW disabled by default. When snapshots and CoW are selectively used only on the shares for which they are appropriate, if a reasonable amount of free space is kept, and if scheduled volume maintenance is run performance should remain at high levels. However if you use snapshots or CoW and later decide not to use them, then even if you disable them there will be some effects of using those that remain.
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