Sorry was busy for a week so couldn't followup. Here we go again.
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Originally Posted by DerAlte  Linux, with significantly lesser overheads (especially with lighter no-frills builds), would run significantly faster. |
A stripped down Linux kernel should not be occupying much RAM (and disk space) and run faster. Probably I should fire up a fully loaded kernel, do a lspci, lsmod to check what are modules are loaded and if I really need them. For example the ethernet driver wouldn't be in use all the time so I'll make it a module but probably the sound driver I'll integrate with the kernel (and build only for the relevant chipset).
I just need to finalize the hardware config and order it. Unless that arrives I can't start hacking.
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Kousik: R and RW mounts at different times would be a severe over-kill and likely to be an operational pain. It won't prevent the HDD from crashing on a severe jolt, since the head will float whether you select R or RW mount, as long as the disk is spinning. That's why I wanted 1.8" disks, since the head is much lighter in those drives and far less likely to be influenced by vibrations and bumps. One can always gel-mount the HDD
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Since I'd be using ext3, in case of a power off, running fsck afterwards would be a big problem. I don't know the RPMs of the small disks, but I guess it'd take forever to complete fsck. So in general I wanted to mount in readonly. But of course, hardware will crash the same way as you have mentioned when bumped.
1.8" disks may be available, only if I can find a IDE cable that'll plug it in the motherboard. Do you know what all I need to do a gel-mount? Any pointer to some online material will be helpful.
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Will it be possible to put a WiFi connection to iRide's box? Of course there are some USB-based adapters, but they aren't 11g grade. That way I could upload to the unit from my home PC or laptop without having to remove it from the car.
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I have a USB wifi interface, but the driver is available only from windows.
Secondly, my home wifi signal doesn't reach the basement so I do not have much motivation exploring it. I am planning to use ethernet and connect to my laptop back-to-back or copy music to a SD card -> plug into a reader -> connect to USB port and download to HDD.
For network connectivity on road I am hoping to use data cards from Tata Indicom/Reliance provided they work in Linux. I don't know yet, didn't give it a try. But
something I'll need, either wifi (and locate free hotspots) or data-cards. Using my mobile as a EDGE modem might prove expensive. I may need to profile the usage on-road, and can use the last option if the usage is minimal.
Kousik