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how configure Readynas 524X for best video surveillance performance
Hello I have a readynas 524X with four 4TB disks. I use the readynas surveillance app that i still think is good. I want to ask the community if anyone can tell me how i should configure my ready...
mangebest wrote:
its WD40EFAX 4 TB times 4disks.
If you are looking for the best performance, the drives are the foundation. Unfortunately the WD40EFAX isn't the best choice for a surveillance application - the WD40EFAX is an SMR drive. So its sustained write performance is quite poor (and very variable).
The WD40EFZX (WD Red Plus) is much better for this - it uses CMR technology.
An Enterprise class drive like the WD4003FFBX (Red Pro) has a faster RPM - which doesn't improve sustained write speed that much over the EFZX, but would improve random access times (which might help when browsing through files for playback). Enterprise drives do cost more, but they also generally come with 5 year warranties.
XRAID vs. FlexRAID has nothing at all to do with speed. XRAID is a set of algorithms that control standard Linux mdadm and BTRFS for creation and expansion of volumes while FlexRAID puts the control more in the users' hands but still keeps you from having to go "under the hood" to the Linux command line level. There are pluses and minuses regarding each, and there are some RAID configurations that can only be created in each, so determining what you want for speed and resistance to drive failure is what needs to be considered first.
If by "backup", you mean RAID, that's not what RAID is. RAID is more about being able to contrune using the NAS after a drive failure than providing a backup, since there are volume faults that can render the volume inaccessible that RAID redundancy doesn't help with.
The fastest RAID would be RAID0, but a fauilt of a single drive renders the entire volume inaccessible, so it's usually a really bad choice.
Before anybody can give you any really useful suggestions, you need to be more specific about how much data your cameras are creating and how fast, your retention needs, what amount of space has to be reserved for other uses, and if you are willing to change out any drives.
I got this when trying NAS performance tester
mangebest wrote:
I got this when trying NAS performance tester
Your NAStester speeds say that you are limited by your gigabit network speed, and not your RAID configuration. That is to say, changing your RAID won't increase these speeds much if at all.
Did you run this test with the cameras active? Or were they turned off?
What disks are you using (manufacturer and model - including size)?
mangebest wrote:
Today i am experience some problems i think. The NAS is very slow to load the HTTP page when i log in. ie 30 seconds.
and video playback is not "smooth" but choppy.
It might be useful to temporarily turn off some cameras, and then see if the NAS login speed and/or video playback improves.
its WD40EFAX 4 TB times 4disks.
cameras on, Tomorrow i will turn them off and try again.
good night
Magnus
mangebest wrote:
its WD40EFAX 4 TB times 4disks.
If you are looking for the best performance, the drives are the foundation. Unfortunately the WD40EFAX isn't the best choice for a surveillance application - the WD40EFAX is an SMR drive. So its sustained write performance is quite poor (and very variable).
The WD40EFZX (WD Red Plus) is much better for this - it uses CMR technology.
An Enterprise class drive like the WD4003FFBX (Red Pro) has a faster RPM - which doesn't improve sustained write speed that much over the EFZX, but would improve random access times (which might help when browsing through files for playback). Enterprise drives do cost more, but they also generally come with 5 year warranties.
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