Thomas

If you're gonna put the two drives in a span or raid, I would look at a raid controller. For this you may want to look at some of the lower end promise cards.

Buying a knockoff card is like buying windows on a CD-R. It's piracy plain and simple. When you buy an NVidia card from Asus, Asus has licenced the tech. They have paid for the techonology they are using. Second, comparing a capture card to a graphics card is like comparing an SGI workstation to a Dell dimension. One is a highly specialized part, the other is a consumer part. I am doing alot more sales now, and I know what our margins are, and I assure you that they are not huge.

*cough* Ask in the dealers section.

CCTV + Ebay + Inexperance = Pain

Um Herminshs, does that mean that the 240 fps card in my test box isn't working, cause I seem to be viewing images and recording at 240 fps. I'm currently running an AMD XP 2800+ without a hicup.

A wi-fi network with some remote lan software. We could do it, Geovision could as well. Of course there is the idea of pulling a security system on a wi-fi network...but it's what the client wants.

So on the way home I was doing some thinking and now I have some questions about Cat 5 for CCTV. 1. I know you can use two pair for video and power but could you use a third pair to power something else? Does that pair have to be the same type of power? 2. Can one pair be used for RS-485?

With SBC look at the modem. If it's a westell, call them up and have them give you the username/password to put it into bridged ethernet mode.

15 fps is usually overkill.

For the average user it's fine. For a corperation then raid 1 plus off-site rsync.

Eh, software raid should generally be avoided anyway. And both drives failing and being non-recoverable is god awful luck.

Um no, RAID 1 is perfect redunancy. It makes a perfect back up of a drive in real time. Since it's goal is to make a perfect back up then it's not a waste of drive space. MS hasn't changed thier recommenations in 10 years. In Posix systems it makes more sense to move the kernel and the swap file to seperate partitions for security/permissions reasons. But you won't gain anything for stability or speed by using partitions.

Alright, so it sounds like RS-485 would work?

Naw, if speed and accuracy of back ups is critical then Raid 1 is your friend.

The only benfit is purely organizational. There is no speed benfit. There is no stability benfit.

Are you an end user or learning to be a dealer?

Just ask away. We'll do our best to answer.

9 Watts. Volts X Amps = Watts

Except NTFS can be rebuilt pretty well. It keeps a redunant copy of it's file table. And any event that takes out one partition is going to damage any other partition. OS's don't take out thier partitions anymore. Journaled file systems (NTFS is kinda one) have pretty much put an end to the OS breaking the system. Partitions fail now from physical damage to the drive rather then the OS. And partitioning isn't going to protect you from that because the drive geomonitry is hiden from the OS. If you want that kind of protection, then use a second drive (and I recomend this). Using differant partitions is a false sense of security.

Partitioning a drive is a waste. Back when PC's could see drive geomtry it made sense. It made sense when file systems were less robust and you could lose part of a drive. It's a waste now.

Eh, drive space is getting cheaper. Perhaps one day we'll drop the idea of compression all together. Work some magic by recording the F-stop, T factor, what the lens is set to with the data, maybe work some CSI type of magic.

Um, I didn't say to defrag.

Bandwith.

It's going to depend on the DVR.

Generally with a PC based system you could just map the drive and use the mapped drive for storage.