lsusb
Bus 002 Device 006: ID 0458:0056 KYE Systems Corp. (Mouse Systems) Ergo 300 Mouse
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 007: ID 0525:a4a5 Netchip Technology, Inc. Linux-USB File Storage Gadget
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

fdisk -l

Disk /dev/sda: 250.1 GB, 250058268160 bytes
255 heads, 63 sectors/track, 30401 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0xf631f631

Device Boot Start End Blocks Id System
/dev/sda1 1 1276 10243072 82 Linux swap / Solaris
/dev/sda2 3826 30401 213471689+ f W95 Ext'd (LBA)
/dev/sda4 * 1276 3825 20480000 83 Linux
/dev/sda5 3826 15936 97281576 7 HPFS/NTFS
/dev/sda6 15937 30401 116190081 7 HPFS/NTFS

Partition table entries are not in disk order

Disk /dev/sdb: 3665 MB, 3665821696 bytes
113 heads, 62 sectors/track, 1021 cylinders
Units = cylinders of 7006 * 512 = 3587072 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000

Device Boot Start End Blocks Id System


dmesg | tail
[ 4110.597645] FAT: Filesystem error (dev sdb)
[ 4110.597650] fat_get_cluster: invalid cluster chain (i_pos 79664645)
[ 4110.597663] FAT: Filesystem error (dev sdb)
[ 4110.597668] fat_get_cluster: invalid cluster chain (i_pos 79664645)
[ 4110.597682] FAT: Filesystem error (dev sdb)
[ 4110.597687] fat_get_cluster: invalid cluster chain (i_pos 79664645)
[ 4110.597700] FAT: Filesystem error (dev sdb)
[ 4110.597705] fat_get_cluster: invalid cluster chain (i_pos 79664645)
[ 4110.597719] FAT: Filesystem error (dev sdb)
[ 4110.597724] fat_get_cluster: invalid cluster chain (i_pos 79664645)

вот так выглядит до монтирования
ls /dev/
block fd loop4 ppp sda5 tty1 tty22 tty35 tty48 tty60 vcs2 vga_arbiter
bsg fd0 loop5 psaux sda6 tty10 tty23 tty36 tty49 tty61 vcs3 xconsole
bus full loop6 ptmx sg0 tty11 tty24 tty37 tty5 tty62 vcs4 zero
cdrom fuse loop7 pts sg1 tty12 tty25 tty38 tty50 tty63 vcs5
cdrw hidraw0 lp0 random shm tty13 tty26 tty39 tty51 tty7 vcs6
char hpet MAKEDEV rfkill snapshot tty14 tty27 tty4 tty52 tty8 vcs7
console initctl mcelog root snd tty15 tty28 tty40 tty53 tty9 vcsa
core input mem rtc sndstat tty16 tty29 tty41 tty54 ttyS0 vcsa1
cpu_dma_latency kmsg net rtc0 sr0 tty17 tty3 tty42 tty55 ttyS1 vcsa2
disk log network_latency scd0 stderr tty18 tty30 tty43 tty56 ttyS2 vcsa3
dri loop0 network_throughput sda stdin tty19 tty31 tty44 tty57 ttyS3 vcsa4
dvd loop1 null sda1 stdout tty2 tty32 tty45 tty58 urandom vcsa5
dvdrw loop2 parport0 sda2 tty tty20 tty33 tty46 tty59 vcs vcsa6
fb0 loop3 port sda4 tty0 tty21 tty34 tty47 tty6 vcs1 vcsa7

вот так после
ls /dev/
block fd loop4 ppp sda5 tty tty20 tty33 tty46 tty59 vcs vcsa6
bsg fd0 loop5 psaux sda6 tty0 tty21 tty34 tty47 tty6 vcs1 vcsa7
bus full loop6 ptmx sdb tty1 tty22 tty35 tty48 tty60 vcs2 vga_arbiter
cdrom fuse loop7 pts sg0 tty10 tty23 tty36 tty49 tty61 vcs3 xconsole
cdrw hidraw0 lp0 random sg1 tty11 tty24 tty37 tty5 tty62 vcs4 zero
char hpet MAKEDEV rfkill sg2 tty12 tty25 tty38 tty50 tty63 vcs5
console initctl mcelog root shm tty13 tty26 tty39 tty51 tty7 vcs6
core input mem rtc snapshot tty14 tty27 tty4 tty52 tty8 vcs7
cpu_dma_latency kmsg net rtc0 snd tty15 tty28 tty40 tty53 tty9 vcsa
disk log network_latency scd0 sndstat tty16 tty29 tty41 tty54 ttyS0 vcsa1
dri loop0 network_throughput sda sr0 tty17 tty3 tty42 tty55 ttyS1 vcsa2
dvd loop1 null sda1 stderr tty18 tty30 tty43 tty56 ttyS2 vcsa3
dvdrw loop2 parport0 sda2 stdin tty19 tty31 tty44 tty57 ttyS3 vcsa4
fb0 loop3 port sda4 stdout tty2 tty32 tty45 tty58 urandom vcsa5


ждал пока смонтируется минут 30 точно.без изменений.Кабель usb штатный.Да,если это важно,на компьютере с amd64х2 стоит Debian 6.02 32 бит для амд.

Вопрос-как осуществить запись?
Спасибо.