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| == Denning ==
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| Same hardware as [[Bell]] (more detailed hardware configuration there)
| | Denning is named after [https://en.wikipedia.org/wiki/Peter_J._Denning Peter J Denning], best known for pioneering work in virtual memory, especially for inventing the working-set model for program behaviour, which addressed disk thrashing and became the reference standard for all memory management policies. |
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| Running the following services:
| | Same basic hardware as [[Bell]] (more detailed hardware configuration there) but now has a nice SSD to work from. |
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| * Non-vital services that used to run on [[Boole]].
| | Denning provides the following services: |
| * Local [[LDAP]] services replicated from [[Turing]].
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| * ZoneMinder CCTV recording from legacy analogue cameras (b/w & colour) - possibly feeding into [[Bruce]] (the new ZoneMinder server)
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| == Zoneminder/CCTV ==
| | * [[Equipment/The_Beast| The Beast Video Game Arcade System]] - emulation, display and control management. |
| | | * Provide redundant fun and joy to those who play with The Beast |
| Denning has a full height 8-port PCI video capture card installed to digitise the analogue cameras.
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| The card is currently connected to the 3 yard cameras and the rear lobby camera. The other 4 inputs are disabled until we put more cameras up. | |
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| The card is a BT878 8-chip 8-input full height PCI card similar to the [https://wiki.zoneminder.com/Kodicom_8800 Kodicom 8800]
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| The modprobe.d settings I'm using are:
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| <code>
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| options i2c-algo-bit bit_test=1
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| options tuner debug=1
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| options bttv gbuffers=16 card=102,102,102,102,102,102,102,102 radio=0,0,0,0,0,0,0,0 tuner=4,4,4,4,4,4,4,4 audiodev=-1,-1,-1,-1,-1,-1,-1,-1 v4l2=1 bttv_verbose=1 chroma_agc=1 combfilter=2 full_luma_range=1 coring=1
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| </code>
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| Each input is configured with:
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| * fps: 10 | |
| * alarm fps: 25
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| * palette: BGR24
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| * resolution: 640 x 480
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| This might just about work with all 8 inputs, however, we may have to drop the resolution to 360 x 288 - realistically this may never happen as we have been opting to install IP cameras in the space - superior images and no complicated capture cards for image acquisition.
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| == Issues ==
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| Currently has only a single mechanical hard drive so vulnerable to data loss. There is space for a second hard drive if we want to mirror the drive.
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