New answers tagged usb
Media (USB Key, CD, harddrives) must be formatted as FAT (16 or 32) to be readable from EFI.
You can use part of the answer here which deals with adding udev rules: http://unix.stackexchange.com/questions/74123/what-is-the-service-thats-responsible-for-automounting-a-usb-drive-in-centos-6 Add a file to /etc/udev/rules.d Add lines as per the answer, but add the label argument to the pmount command, eg: automount.rules # automounting usb flash ...
1.Make USB device base name permanent(eg: Iomega usb device) To avoid any confusion whether base name for your USB block device is /dev/sdb1, /dev/sdd1 or /dev/sdXn we make it permanently /dev/Iomega anytime you plug it in. This can be done with help of udev device manager. You should have udev already installed on your system, otherwise install it with: ...
First: i do not know if there might be a bug/feature limit on your USB host controller or spec limitation (in case of devices, hubs in row) change in USB2 vs USB3 (Davids Answer seems to show the limit of the intel controller) Technically my answer is USB2.0 info i give but it might help you get some ideas where to look at. Make sure you do not use too ...
There is a hardware limit of 96 endpoints on most Intel XHCI controllers. It wouldn't surprise me if each camera is using 8 endpoints, that's a pretty typical number for complex, modern devices. The hubs occupy endpoints as well. You can confirm this with USBView. This is a controller hardware limitation, and there's no way around it.
When ruggedized hard drive purpose-built technologies like RDX exist... This seems silly to worry about the handling of the drive. If it really is a problem, are you sure it's not a people issue? If it DOES require a technological solution, Google "ruggedized hard drive". There are plenty of options in the consumer and enterprise realms for this.
While it may make sense to use an external HDD to transfer from your onsite location to your offsite location, you should not be using an external HDD as your offsite backup.
I have used apcupsd for the purpose. The needed configuration for my device in /etc/acpupsd/acpupsd.conf for my UPS are: #UPSCABLE smart UPSCABLE usb #UPSCABLE smart UPSCABLE usb #UPSTYPE apcsmart UPSTYPE usb #DEVICE /dev/ttyS0 DEVICE
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