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Old 03-23-2015, 12:20 PM   #1
littlebigman
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Registered: Aug 2008
Location: France
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Question Recommended way to install Linux (Debian) on Arm appliance with NAND and SD card?


Hello

I have an Arm appliance running Debian that has 512MB RAM, 512MB NAND flash memory, and a 4GB SD card:

Code:
# lsblk
NAME        MAJ:MIN RM   SIZE RO TYPE MOUNTPOINT
mtdblock0    31:0    0     1M  0 disk
mtdblock1    31:1    0     4M  0 disk
mtdblock2    31:2    0   507M  0 disk
mmcblk0     179:0    0   3.7G  0 disk
mmcblk0p1 179:1    0   214M  0 part /boot
mmcblk0p2 179:2    0   3.3G  0 part /
mmcblk0p3 179:3    0     1K  0 part
mmcblk0p5 179:5    0   214M  0 part [SWAP]
Currently, it appears that the NAND is ignored and the whole thing (system + applications + user files) is installed on the SD card.

Since dmesg shows that the SD card is dying, I'm thinking of
  1. upgrading the SD card to a 16GB card,
  2. upgrading to the latest Debian by installing the read-only part of Debian in the NAND,
  3. installing system/application temporary files either on the SD card or in RAM
  4. installing user files on the SD card.

What do you think?

In addition, besides "Managing flash storage with Linux", is there a good tutorial on how to install Debian on a NAND + SD appliance?

Thank you.
 
  


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