Blue Iris storage

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faalin

faalin

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Feb 22, 2012
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I run blue iris at work right now with 12 cameras on a HP dl380 g6 server with 4 2.5" 500GB sas drives in raid 5. With Blue Iris open it uses 80-90% cpu usage with dual X5570 so 8 cores 16 threads and 32Gb of ram and disc I/O is almost nothing.

I now have a spare HP dl380 g8 with dual e5-2470 so 16 core 32 thread with 48GB of ram. OS is on 2 Samsung 860 evo SSD in raid 1 and storage will be on 10 3TB sata drives.

Question is should i put the 10 3TB drives in raid 0 for speed or raid 6, im not to concerned of loosing data on the drives it would just be more of a hassle if a drive dies that i would have to rebuild the raid array and set BI back up to store to it.

Right now its only set to do pictures when the camera triggers, but with the larger storage i want to move to video so im not sure if the speed would be better with raid 0 or will it not matter and raid 6 will work just as well.
 
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kanewolf

kanewolf

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May 29, 2013
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If you are not "concerned about losing data", then why record. If you lose a single drive in RAID 0 you lose ALL data. That doesn't seem to be a very useful video system. The performance of RAID6 will depend on the RAID card in the DL380. If you have the P420i card buffer and the battery, I don't think you will have a significant performance hit.

I do recommend that you calculate the bandwidth used by those 12 cameras. The stardot calculator seems pretty good -- http://stardot.com/bandwidth-and-storage-calculator
 
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USAFRet

USAFRet

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Mar 16, 2013
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10x drives in a RAID 0 = 11 individual points of fail.
Each drive and the RAID controller.

Have you tested the write performance with a single drive? What would a RAID 0 bring to the table?
"Speed" is not necessarily a good thing, if the rest of the system does not need it.


This is the kind of thing you test before jumping into a fragile setup with both feet.
 
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faalin

faalin

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Feb 22, 2012
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I ended up going with a raid 5 setup. The camera's only point at CNC machines to tell if they are running, when they stop, and record if they crash. We have a few guys that live really close to the shop so on the weekends they will remote into the cameras to see if the machines are still running and if not come in and start them or put a new project in to get it going again.

So like i said the data is not important per say, its only important if the CNC crashes and even then most of the time we dont need the camera to figure out what happened.
 
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