Mounting Thumb drive
 

$ more loadUSBModules.sh
insmod usbcore
insmod pcipool
insmod usb-ohci
insmod usb-ohci-ep93xx
insmod scsi_mod
insmod sd_mod
insmod usb-storage;

$ sh loadUSBModules.sh
Using /lib/modules/2.4.26-vrs1-cirrus-1-2-1-ts7/kernel/drivers/usb/usbcore.o
usb.c: registered new driver usbdevfs
usb.c: registered new driver hub
Using /lib/modules/2.4.26-vrs1-cirrus-1-2-1-ts7/kernel/arch/arm/common/pcipool.o
Using /lib/modules/2.4.26-vrs1-cirrus-1-2-1-ts7/kernel/drivers/usb/host/usb-ohci
.o
Using /lib/modules/2.4.26-vrs1-cirrus-1-2-1-ts7/kernel/drivers/usb/host/usb-ohci
-ep93xx.o
usb-ohci.c: USB OHCI at membase 0xe0020000, IRQ 56
usb.c: new USB bus registered, assigned bus number 1
hub.c: USB hub found
hub.c: 3 ports detected
Using /lib/modules/2.4.26-vrs1-cirrus-1-2-1-ts7/kernel/drivers/scsi/scsi_mod.o
SCSI subsystem driver Revision: 1.00
Using /lib/modules/2.4.26-vrs1-cirrus-1-2-1-ts7/kernel/drivers/scsi/sd_mod.o
Using /lib/modules/2.4.26-vrs1-cirrus-1-2-1-ts7/kernel/drivers/usb/storage/usb-s
torage.o
Initializing USB Mass Storage driver...
usb.c: registered new driver usb-storage
USB Mass Storage support registered.
$ hub.c: new USB device not_pci-3, assigned address 2
scsi0 : SCSI emulation for USB Mass Storage devices
Vendor: SanDisk Model: Cruzer Micro Rev: 0.2
Type: Direct-Access ANSI SCSI revision: 02
Attached scsi removable disk sda at scsi0, channel 0, id 0, lun 0
SCSI device sda: 501759 512-byte hdwr sectors (257 MB)
sda: Write Protect is off
Partition check:
/dev/scsi/host0/bus0/target0/lun0: p1

$ sh loadUSB.sh
Creating extra device nodes...done.
Started device management daemon v1.3.25 for /dev
Checking root file system...
fsck 1.27 (8-Mar-2002)
e2fsck 1.27 (8-Mar-2002)
/dev/scsi/host0/bus0/target0/lun0/part1: clean, 19598/62744 files, 224439/250608
blocks
Calculating module dependencies... done.
Loading modules: usb-ohci-ep93xx fat vfat
Checking all file systems...
fsck 1.27 (8-Mar-2002)
none on /dev/pts type devpts (rw,gid=5,mode=620)
Starting hotplug subsystem: usb.
Running 0dns-down to make sure resolv.conf is ok...done.
Cleaning: /etc/network/ifstate.
hostname: /lib/libc.so.6: version `GLIBC_2.3' not found (required by /lib/libres
olv.so.2)
Setting up IP spoofing protection: rp_filter.
Configuring network interfaces: done.
Starting portmap daemon: portmap.
Running ntpdate to synchronize clock.
Recovering nvi editor sessions... done.
Starting system log daemon: syslogd.
Starting hotplug subsystem: usb.
Starting kernel log daemon: klogd.
Starting NFS common utilities: statd.
Starting internet superserver: inetd.
Not starting NFS kernel daemon: No exports.
Starting OpenBSD Secure Shell server: sshd.
Starting deferred execution scheduler: atd.
Starting periodic command scheduler: cron.
Starting web server: apache.
ts7200:~#

To mount the 128MB flash after booting into the thumb drive, use:

mount -t yaffs /dev/root root

Backing up the 250MB on the thumb drive will take around 75MB as a gzip'd tar. The stock 128MB takes around 4.

Plug in a compact flash reader.

delete all the partitions using fdisk

ts7200:/sbin# mkfs.ext2 /dev/scsi/host1/bus0/target0/lun0/part1
mke2fs 1.27 (8-Mar-2002)
Filesystem label=
OS type: Linux
Block size=1024 (log=0)
Fragment size=1024 (log=0)
64000 inodes, 255728 blocks
12786 blocks (5.00%) reserved for the super user
First data block=1
32 block groups
8192 blocks per group, 8192 fragments per group
2000 inodes per group
Superblock backups stored on blocks:
8193, 24577, 40961, 57345, 73729, 204801, 221185

Writing inode tables: done
Writing superblocks and filesystem accounting information: done

This filesystem will be automatically checked every 38 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
ts7200:/sbin# mkdir /mnt/src
ts7200:/sbin# mount /dev/scsi/host1/bus0/target0/lun0/part1 /mnt/src
ts7200:/sbin# df
Filesystem 1k-blocks Used Available Use% Mounted on
/dev/scsi/host0/bus0/target0/lun0/part1
242686 216674 13482 95% /
/dev/scsi/host1/bus0/target0/lun0/part1
255460 2704 252756 2% /mnt/src