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zaurus:tips:fsck.at.boot.html

Zaurus Boot Time Card FSCK

If you are a serious Linux Zaurus user you have probably already reformated your SD or CF cards with EXT2 filesystems on them. If not you may want to think about doing so as the EXT2 file system for all it's faults is much better than the DOS/FAT file system. Among other things it supports true long file names and both regular and symbolic links. Unfortunantly as shipped by Sharp the Zaurus does not preform a file system check on either SD or CF cards before mounting them. This article will show how to correct this situation. It assumes that you already have an EXT2 file system on your card and you are comfortable editing files with a text editor. The procedure will be outlined for the SD card, but the same procedure can be used for a CF card.

modify /etc/fstab

/dev/mmcda1     /mnt/card       auto    noauto,owner    0  0

Here is the modified line:

/dev/mmcda1     /mnt/card       ext2    defaults        1  2

Please note that we are forcing the type to be ext2 and we are telling the system to mount it with default paramaters. We are also specifying fsck and dump passes, but the Zaurus seems to ignore the fsck field!

Now the actual force of fsck at boot:

Create a file called /etc/rc.d/rc5.d/S99local with the following lines:

#! /bin/sh
PATH=/bin:/usr/bin:/sbin:/usr/sbin:/usr/local/bin
LD_LIBRARY_PATH=/lib:/usr/lib:/home/QtPalmtop/lib

export PATH LD_LIBRARY_PATH

umount /mnt/card
killall sdmgr
fsck -y /mnt/card
sleep 2
/sbin/sdmgr

If you already have /etc/rc.d/rc5.d/S99local then just add the lines from umount to the end of the above listing to the existing file.

I have found this to be very helpful and it makes restart of my Zaurus more reliable. I no longer worry about mounting corrupt file systems at boot time. I make no promise that it will work for you, in fact it might cause your Zaurus to burst into flames. You are solely responsible for what ever happens to your Zaurus by using this tip!

zaurus:tips:fsck.at.boot.html