17 Apr
2013
17 Apr
'13
9:49 a.m.
2013/4/15 Jeremy Jongepier <jeremy(a)autostatic.com>om>:
I'm using a SanDisk 2GB microSD on a SD adapter for the RPi slot. I
never had any problem until now.
Do you still can use yours once it is corrupted? I plug it, you can
see the two partitions mounted for a moment but then it unmount
itself. I made a backup copy with dd once I configured some
parameters. I've and tried several times to transfer it to the SD with
dd again but at about 840MB transfered it stops with a corruption
error; I only can modify the scripts and config on the first partition
(boot partition) when it stays mounted for some time.
This could allow me to maybe boot a system in a USB stick, but then I
waste one USB slot, and I'm afraid that if I buy another SD card it
could be corrupted again and then it would be wasted money.
On 04/15/2013 10:39 AM, Carlos sanchiavedraz wrote:
The adapter is the same as that ones to charge mobile phones, just an
adapter from USB to a switch. I thought it would be enough to plug the
UA to the RPi and not having to plug it to an USB powered hub, because
then it may occur problems with other devices plugged in it, and this
would probably increase problems with audio latency and such.
Just a USB cable from RPi to an A/C to USB adapter, and UA25EX
connected direct to the USB on RPi.
Check the current of the adapter, if it's somewhere around 1A you might need
a more powerful adapter as the RPi already draws 700mA IIRC. IIRC, when configuring using raspi-config, the
Modest preset for
overclocking just increases the CPU freq from 700MHz to 800MHz. I
didn't want to risk my SD because I red that issue you mention, but it
seems that anyway I've left without my SD.
What kind of SD are you using? I've used different SD cards with different
results. I'm now using a cheap OEM class 10 SD card that does get corrupted
quickly but performance is better than other SD cards I've used. Whenever I
change something I make a backup now.
Jeremy
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Carlos sanchiavedraz
* Musix GNU+Linux
http://www.musix.es