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Old 08-08-2012, 01:40 PM   #1
stfuller431
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Question Trying to run a Red Hat Linux system w/o hared drive from Flash

I have a Red Hat Linux (5.x) system that currently has no hard drive. Rather, the system boots and runs from a 32GB USB 2.0 Flash drive. There is nothing else connected to the USB driver. I have all the standard Linux processes running, and also 2 custom programs performing network activity. Every so often, the system freezes. When I go in to look, the flash drive has been reset to READY ONLY mode. The drive at that point is useless and has to be replaced.

My question is: Does anyone know of any reason why I cannot run off a flash drive like this? Are there basic hardware or other restrictions on flash drives about have several processes all trying to read and/or write to the flash drive at the same time?
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Old 08-08-2012, 03:42 PM   #2
AruisDante
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I'm curious, are you running a Live CD install off the flash drive? Or did you actually install Linux to the flash drive and make it bootable? Because the two are not equal. LiveCD has some very, very specific restrictions on persistent storage usage.
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Old 08-08-2012, 08:55 PM   #3
biosol
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I've actually just tried this recently. You can easily run the LiveCD OS off the USB thumb drive. I was running an Ubuntu OS at worked on an external USB3 HDD and it ran fine for quite a while (be careful to install the boot loader on the external drive also or it will load it on the internal drive which happened to me and then screwed me up when the system didn't load and I was trying to repair the boot loader on the wrong drive).

But twice recently I tried installing Ubuntu from a USB thumb drive to a USB3 thumb drive (16GB) and the OS did install and run, but failed to install the nvidia driver twice, so I concluded it wasn't a practical solution to run it off a USB stick/thumb drive.
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Old 08-09-2012, 01:53 AM   #4
PommieB
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The memory used in flash drives is not of a very high quality, in comparison with that used in, for example ssd drives, the memory could fail in a non-storage environment. So it's really not a good idea to run OS's of flash drives.
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