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ReadyNAS RN104 Slow
My ReadyNAS RN104 was recently at under 5% capacity, before I purchased another disk. However, since installing that new disk, the NAS is running very slowly, specifically with transfer speeds. This ...
Yes, you should do volume maintenance and you can actually set a schedule for it to run automatically. You may check the different maintenance on this article. To setup maintenance schedule, you can check it here. The slow performance might also be because of the ReadyNAS still syncing the disk at the time.
Also, we don't really recommend using the NAS as the only means of backup for your data, the NAS or RAID can help you avoid or recover from failures and while you can store backups of your data on the NAS it is still advisable to keep at least 2 to 3 copies on different storage. IMO, keeping more copies the better :)
HTH
Regards
Yes, you should do volume maintenance and you can actually set a schedule for it to run automatically. You may check the different maintenance on this article. To setup maintenance schedule, you can check it here. The slow performance might also be because of the ReadyNAS still syncing the disk at the time.
Also, we don't really recommend using the NAS as the only means of backup for your data, the NAS or RAID can help you avoid or recover from failures and while you can store backups of your data on the NAS it is still advisable to keep at least 2 to 3 copies on different storage. IMO, keeping more copies the better :)
HTH
Regards
Marc_VThanks for that. I did read over those articles you've linked, so I'll look into getting a maintenance schedule set up.
Marc_V StephenB Regarding whether the NAS is still resyncing... It has finished, though of course it took some time to. It was definitely markedly slower whilst this process was happening.
StephenBThanks for the pointers on snapshots :)
StephenB wrote:Well, safety and integrity must not be very important
OK, smarty-pants, I stand corrected. I do have varying backups of the data (note I said I don't have anywhere to backup the entire NAS, as in, in one dump), but my point was that I'd really rather not run a process that has a high risk of damaging data (if there is such a thing).
I'll admit I'm a little behind on the times, since I didn't know about the likes of WD Easystore. I will point out that, as far as I can tell, the WD Easystore isn't available here in Australia, and similar products run closer to $500.
Marc_V wrote:Also, we don't really recommend using the NAS as the only means of backup for your data, the NAS or RAID can help you avoid or recover from failures and while you can store backups of your data on the NAS it is still advisable to keep at least 2 to 3 copies on different storage. IMO, keeping more copies the better :)
I absolutely agree, and I see now that my original statement was a little misleading, as above.
So I guess my question now would be, is a 3 month schedule, as StephenB uses, suitable for the maintenance schedule? Are there reasons I should run the tests more or less frequently?
nathor wrote:
but my point was that I'd really rather not run a process that has a high risk of damaging data (if there is such a thing).
...
So I guess my question now would be, is a 3 month schedule, as @StephenB uses, suitable for the maintenance schedule? Are there reasons I should run the tests more or less frequently?
The scrub generally will do the most disk i/o - so it might have somewhat higher risk than the others. After the first run of the balance and defrag, they usually don't take very long.
There isn't any definitive "best practice" on any of these. The scrub and disk test both function as reasonable disk diagnostics - which is one reason I run them both once every three months. I figure they will give me some warning of a disk failing.
How often defrag is needed depends on your usage (particularly on whether you frequently modify files after you put them on the NAS). There's also an auto-defrag option for each share - if that is set you might not need to run the scheduled defrag at all. But it won't hurt (since if the files aren't fragmented, it won't do anything).
The NAS performance will drop when these tasks are running (especially on an RN100 series), so managing that is one thing to factor into the schedule. In the case of a balance, the optimal schedule might be counter-intuitive though. It runs fastest when the volume is already reasonably balanced. So if it takes a long time, then you should consider running it more often, not less.
FWIW, I've been using this schedule for several years now, and haven't lost a volume (for any reason) over that time.
nathor wrote:
I'll admit I'm a little behind on the times, since I didn't know about the likes of WD Easystore. I will point out that, as far as I can tell, the WD Easystore isn't available here in Australia, and similar products run closer to $500.
Yes, I've heard that disk prices are considerably higher in Australia. > $500 Australian for a 10 TB USB drive would make me pause too. I am seeing some 8 TB drives there that are more reasonable - https://www.amazon.com.au/WD-Desktop-External-Drive-WDBBGB0080HBK-NESN/dp/B01LQQHLGC
However, you are backed up, so it's not an immediate need. FWIW, for quite a while I was also backing up my NAS across multiple systems (two desktop PCs with dedicated internal backup drives).
Another thing to perhaps look into at some point would be a UPS. Quite a few data loss stories here begin with an unexpected power cut. Even a small UPS will give the NAS a chance to power down gracefully (which will keep the array in sync). APC seems to be popular in Australia.
That's all extremely helpful, thanks, StephenB :smileyvery-happy:
I also appreciate you taking the time to fish around for an alternative product. I saw the WD My Book when I took a look at the WD Easystore. That Amazon listing is definitely more attractive than the $500 for the 10TB drives, and is about the price of what we'd pay for a local 8TB system here in Australia.
I went ahead and accepted the solution provided by Marc_V, simply because he answered first, but I sincerely appreciate all your input and assistance!
I'll be getting a schedule running soon and hope to see the speed of my NAS return to normal. I'll also be keeping my eye on those drives :)
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