Guaranteed Video Storage Calculation? Iomnis
Author: John Grocke, Published on Aug 20, 2013
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Comments (7)
Luis Carmona
Kind of like, "I guarntee I can sell your house!" Well, of course if I price your house at what the first qualified Joe Schmoo comes along wants to pay for it, it'll sell. I didn't guarentee I'd sell for what you wanted for it.
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Marc Pichaud
Two causes migh generate very high bandwidth when it wasn't planned :
- Underestimation of real VBR bandwidth : Darkness for VBR cameras without additional light or IR and/or VBR PTZ cameras with to much camera tours...where H264 can't compress the correct way (like Licence plate
- under estimation of recording on motion detection .. (due to false positive and bad sensitivity at night as usual)
Anyway as you said, if pepopel are ready to over estimate 30 or 50 % their needs, and pay for it , no problemo. IN real life we all know, money isn't provided for free by the Fed.
All this underlines the fact , that most integrators never use the first month to check out if what has been sold to the customer is really reached ( 3 , 7 , 15 or 30 days during full period recording)
In France, we plan to include this pre requisit directly in the " technical installation recommandantions " in the legal texts, during first install and optional yearly point of preventive maintenance (because installation moves during time )
That way we put the pressure on the customer and the integrator to get trained on what happens in IP video surveillance systems rather before than after.
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Ethan Ace
Surveillance server manufacturers never want to share what optimizations they're doing for video. If someone really wanted to dig into it, I can't imagine it's that hard. But the only answer I ever got from Intransa back in the day is that they cleaned a bunch of unneeded stuff out of the registry. Wooo.
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Jason Clement
A 10-20% premium? I don't see how that is really saving anyone money. I could take a Dell server and have it out of the box and fully configured in about four hours from my desk while doing other work via RDP. This includes loading a lot of extras like Dell Open Manage and some custom scripts for alerting. On top of that I've very rarely received a piece of hardware that was fully up to date from anyone.
On a side note Intransa said it came with the VMS preloaded, for the few we bought very early on that was a USB stick with the VMS which was horribly outdated. lol
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Andrew Bowman
Nice review JG.
The truth is, this is a SALES TOOL, not an ENGINEERING TOOL. If you want to validate to a customer why you want them to buy a 12TB server instead of the 6TB they think they need, then this configuration summary is a Godsend. The professional output re-calibrates the customers expecatations.
However, if I was competitively bidding a project where the Integrator was responsible for the storage calcs and system performance, I wouldn't use this tool. This provides a "worst case scenario" for most applications. If you are one of my competitors, then please, by all means, use this calculator...
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Undisclosed Integrator #1
This is some of the information they have told me. One of the ways that they offer a savings over other Servers is that they only have the RAID storage arrays. There isn't any "live drive(s)" and there isnt an OS drive. They create a 75GB virtual disk out of the total space of the RAID 5 to host the OS. I have no idea what type of performance issues there could be (if any) from this type of design. If you want something with Mirrored OS drives and SAS RAID 10 Live Drives, then you have to work a custom quote with them. Then I assume any price savings are gone. There are other Server providers that guarantee server performance as well, so that isnt as big a draw to me. It's the huge cost savings from the way they design their systems versus the others that has caught my eye. I'm just not sure if I want to risk it...
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John Honovich
Are you saying that not having any OS / 'live' drive specifically results in 'huge cost savings'? I am just trying to understand the claim.
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