yjiang's cake

root@cubier:~# ls /dev/nan*
/dev/nand  /dev/nanda  /dev/nandb  /dev/nandc
root@cubier:~# df -lh
文件系统        容量  已用  可用 已用% 挂载点
/dev/root       1.8G  1.5G  266M   85% /
devtmpfs        382M  4.0K  382M    1% /dev
tmpfs            20M  4.0K   20M    1% /tmp
none             96M  252K   96M    1% /run
none            5.0M     0  5.0M    0% /run/lock
none            478M     0  478M    0% /run/shm
none            100M   12K  100M    1% /run/user
root@cubier:~# nand-part -f a20 /dev/nand
check partition table copy 0: mbr: version 0x00000200, magic softw411
OK
check partition table copy 1: mbr: version 0x00000200, magic softw411
BAD!
check partition table copy 2: mbr: version 0x00000200, magic softw411
BAD!
check partition table copy 3: mbr: version 0x00000200, magic softw411
BAD!
mbr: version 0x00000200, magic softw411
3 partitions
partition  1: class =         DISK, name =   bootloader, partition start =    32768, partition size =   131072 user_type=0
partition  2: class =         DISK, name =       rootfs, partition start =   163840, partition size =  6291456 user_type=0
partition  3: class =         DISK, name =        UDISK, partition start =  6455296, partition size =  1277952 user_type=0
root@cubier:~# nand-part -f a20 /dev/nand 32768 "bootloader 131072" "rootfs 7569408"
check partition table copy 0: mbr: version 0x00000200, magic softw411
OK
check partition table copy 1: mbr: version 0x00000200, magic softw411
BAD!
check partition table copy 2: mbr: version 0x00000200, magic softw411
BAD!
check partition table copy 3: mbr: version 0x00000200, magic softw411
BAD!
mbr: version 0x00000200, magic softw411
3 partitions
partition  1: class =         DISK, name =   bootloader, partition start =    32768, partition size =   131072 user_type=0
partition  2: class =         DISK, name =       rootfs, partition start =   163840, partition size =  6291456 user_type=0
partition  3: class =         DISK, name =        UDISK, partition start =  6455296, partition size =  1277952 user_type=0
check partition table copy 0: mbr: version 0x00000200, magic softw411
check partition table copy 1: mbr: version 0x00000200, magic softw411
check partition table copy 2: mbr: version 0x00000200, magic softw411
check partition table copy 3: mbr: version 0x00000200, magic softw411

ready to write new partition tables:
mbr: version 0x00000200, magic softw411
2 partitions
partition  1: class =         DISK, name =   bootloader, partition start =    32768, partition size =   131072 user_type=0
partition  2: class =         DISK, name =       rootfs, partition start =   163840, partition size =  7569408 user_type=0

write new partition tables? (Y/N)
y
Failed rereading partition table: Device or resource busy

verifying new partition tables:
check partition table copy 0: mbr: version 0x00000200, magic softw411
OK
check partition table copy 1: mbr: version 0x00000200, magic softw411
OK
check partition table copy 2: mbr: version 0x00000200, magic softw411
OK
check partition table copy 3: mbr: version 0x00000200, magic softw411
OK
mbr: version 0x00000200, magic softw411
2 partitions
partition  1: class =         DISK, name =   bootloader, partition start =    32768, partition size =   131072 user_type=0
partition  2: class =         DISK, name =       rootfs, partition start =   163840, partition size =  7569408 user_type=0
rereading partition table... returned -1
root@cubier:~#
root@cubier:~# resize2fs /dev/nandb
resize2fs 1.42.5 (29-Jul-2012)
Filesystem at /dev/nandb is mounted on /; on-line resizing required
old_desc_blocks = 1, new_desc_blocks = 1
The filesystem on /dev/nandb is now 786432 blocks long.

root@cubier:~# df -lh
文件系统        容量  已用  可用 已用% 挂载点
/dev/root       3.0G  1.5G  1.4G   51% /
devtmpfs        382M  4.0K  382M    1% /dev
tmpfs            20M  4.0K   20M    1% /tmp
none             96M  252K   96M    1% /run
none            5.0M     0  5.0M    0% /run/lock
none            478M     0  478M    0% /run/shm
none            100M   12K  100M    1% /run/user