IMX515中的TF卡分区

关于 IMX515中的TF卡分区问题,参考以下步骤操作

root@libing-desktop:~# fdisk /dev/sdb

WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
         switch off the mode (command 'c') and change display units to
         sectors (command 'u').

Command (m for help): p

Disk /dev/sdb: 1977 MB, 1977614336 bytes
64 heads, 63 sectors/track, 957 cylinders
Units = cylinders of 4032 * 512 = 2064384 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
/dev/sdb1               1         957     1929244+   6  FAT16

Command (m for help): ls

 0  Empty           24  NEC DOS         81  Minix / old Lin bf  Solaris       
 1  FAT12           39  Plan 9          82  Linux swap / So c1  DRDOS/sec (FAT-
 2  XENIX root      3c  PartitionMagic  83  Linux           c4  DRDOS/sec (FAT-
 3  XENIX usr       40  Venix 80286     84  OS/2 hidden C:  c6  DRDOS/sec (FAT-
 4  FAT16 <32M      41  PPC PReP Boot   85  Linux extended  c7  Syrinx        
 5  Extended        42  SFS             86  NTFS volume set da  Non-FS data   
 6  FAT16           4d  QNX4.x          87  NTFS volume set db  CP/M / CTOS / .
 7  HPFS/NTFS       4e  QNX4.x 2nd part 88  Linux plaintext de  Dell Utility  
 8  AIX             4f  QNX4.x 3rd part 8e  Linux LVM       df  BootIt        
 9  AIX bootable    50  OnTrack DM      93  Amoeba          e1  DOS access    
 a  OS/2 Boot Manag 51  OnTrack DM6 Aux 94  Amoeba BBT      e3  DOS R/O       
 b  W95 FAT32       52  CP/M            9f  BSD/OS          e4  SpeedStor     
 c  W95 FAT32 (LBA) 53  OnTrack DM6 Aux a0  IBM Thinkpad hi eb  BeOS fs       
 e  W95 FAT16 (LBA) 54  OnTrackDM6      a5  FreeBSD         ee  GPT           
 f  W95 Ext'd (LBA) 55  EZ-Drive        a6  OpenBSD         ef  EFI (FAT-12/16/
10  OPUS            56  Golden Bow      a7  NeXTSTEP        f0  Linux/PA-RISC b
11  Hidden FAT12    5c  Priam Edisk     a8  Darwin UFS      f1  SpeedStor     
12  Compaq diagnost 61  SpeedStor       a9  NetBSD          f4  SpeedStor     
14  Hidden FAT16 <3 63  GNU HURD or Sys ab  Darwin boot     f2  DOS secondary 
16  Hidden FAT16    64  Novell Netware  af  HFS / HFS+      fb  VMware VMFS   
17  Hidden HPFS/NTF 65  Novell Netware  b7  BSDI fs         fc  VMware VMKCORE
18  AST SmartSleep  70  DiskSecure Mult b8  BSDI swap       fd  Linux raid auto
1b  Hidden W95 FAT3 75  PC/IX           bb  Boot Wizard hid fe  LANstep       
1c  Hidden W95 FAT3 80  Old Minix       be  Solaris boot    ff  BBT           
1e  Hidden W95 FAT1

Command (m for help): m
Command action
   a   toggle a bootable flag
   b   edit bsd disklabel
   c   toggle the dos compatibility flag
   d   delete a partition
   l   list known partition types
   m   print this menu
   n   add a new partition
   o   create a new empty DOS partition table
   p   print the partition table
   q   quit without saving changes
   s   create a new empty Sun disklabel
   t   change a partition's system id
   u   change display/entry units
   v   verify the partition table
   w   write table to disk and exit
   x   extra functionality (experts only)

Command (m for help): d
Selected partition 1

Command (m for help): p

Disk /dev/sdb: 1977 MB, 1977614336 bytes
64 heads, 63 sectors/track, 957 cylinders
Units = cylinders of 4032 * 512 = 2064384 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

Command (m for help): n
Command action
   e   extended
   p   primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-957, default 1): 1
Last cylinder, +cylinders or +size{K,M,G} (1-957, default 957): 957

Command (m for help): t
Selected partition 1
Hex code (type L to list codes): c
Changed system type of partition 1 to c (W95 FAT32 (LBA))

Command (m for help): p

Disk /dev/sdb: 1977 MB, 1977614336 bytes
64 heads, 63 sectors/track, 957 cylinders
Units = cylinders of 4032 * 512 = 2064384 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
/dev/sdb1               1         957     1929280+   c  W95 FAT32 (LBA)

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.

WARNING: Re-reading the partition table failed with error 16: 设备或资源忙.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)

WARNING: If you have created or modified any DOS 6.x
partitions, please see the fdisk manual page for additional
information.
Syncing disks.
root@libing-desktop:~# fdisk /dev/sdb

WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
         switch off the mode (command 'c') and change display units to
         sectors (command 'u').

Command (m for help): p

Disk /dev/sdb: 1977 MB, 1977614336 bytes
64 heads, 63 sectors/track, 957 cylinders
Units = cylinders of 4032 * 512 = 2064384 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
/dev/sdb1               1         957     1929280+   c  W95 FAT32 (LBA)

Command (m for help): q

root@libing-desktop:~# fdisk /dev/sdb

WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
         switch off the mode (command 'c') and change display units to
         sectors (command 'u').

Command (m for help): m
Command action
   a   toggle a bootable flag
   b   edit bsd disklabel
   c   toggle the dos compatibility flag
   d   delete a partition
   l   list known partition types
   m   print this menu
   n   add a new partition
   o   create a new empty DOS partition table
   p   print the partition table
   q   quit without saving changes
   s   create a new empty Sun disklabel
   t   change a partition's system id
   u   change display/entry units
   v   verify the partition table
   w   write table to disk and exit
   x   extra functionality (experts only)

Command (m for help): d
Selected partition 1

Command (m for help): p

Disk /dev/sdb: 1977 MB, 1977614336 bytes
64 heads, 63 sectors/track, 957 cylinders
Units = cylinders of 4032 * 512 = 2064384 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

Command (m for help): n
Command action
   e   extended
   p   primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-957, default 1): 7
Last cylinder, +cylinders or +size{K,M,G} (7-957, default 957): 508

Command (m for help): n
Command action
   e   extended
   p   primary partition (1-4)
p
Partition number (1-4): 2
First cylinder (1-957, default 1): 509
Last cylinder, +cylinders or +size{K,M,G} (509-957, default 957): 660

Command (m for help): n
Command action
   e   extended
   p   primary partition (1-4)
e
Partition number (1-4): 3
First cylinder (1-957, default 1): 661
Last cylinder, +cylinders or +size{K,M,G} (661-957, default 957): 930

Command (m for help): n
Command action
   l   logical (5 or over)
   p   primary partition (1-4)
p
Selected partition 4
First cylinder (1-957, default 1): 931
Last cylinder, +cylinders or +size{K,M,G} (931-957, default 957): 957

Command (m for help): n
First cylinder (661-930, default 661): 661
Last cylinder, +cylinders or +size{K,M,G} (661-930, default 930): 880

Command (m for help): n
First cylinder (881-930, default 881): 881
Last cylinder, +cylinders or +size{K,M,G} (881-930, default 930): 930

Command (m for help): t
Partition number (1-6): 1
Hex code (type L to list codes): c
Changed system type of partition 1 to c (W95 FAT32 (LBA))

Command (m for help): p

Disk /dev/sdb: 1977 MB, 1977614336 bytes
64 heads, 63 sectors/track, 957 cylinders
Units = cylinders of 4032 * 512 = 2064384 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
/dev/sdb1               7         508     1012032    c  W95 FAT32 (LBA)
/dev/sdb2             509         660      306432   83  Linux
/dev/sdb3             661         930      544320    5  Extended
/dev/sdb4             931         957       54432   83  Linux
/dev/sdb5             661         880      443488+  83  Linux
/dev/sdb6             881         930      100768+  83  Linux

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.

WARNING: Re-reading the partition table failed with error 16: 设备或资源忙.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)

WARNING: If you have created or modified any DOS 6.x
partitions, please see the fdisk manual page for additional
information.
Syncing disks.
root@libing-desktop:~# fdisk /dev/sdb

WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
         switch off the mode (command 'c') and change display units to
         sectors (command 'u').

Command (m for help): p

Disk /dev/sdb: 1977 MB, 1977614336 bytes
64 heads, 63 sectors/track, 957 cylinders
Units = cylinders of 4032 * 512 = 2064384 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
/dev/sdb1               7         508     1012032    c  W95 FAT32 (LBA)
/dev/sdb2             509         660      306432   83  Linux
/dev/sdb3             661         930      544320    5  Extended
/dev/sdb4             931         957       54432   83  Linux
/dev/sdb5             661         880      443488+  83  Linux
/dev/sdb6             881         930      100768+  83  Linux

Command (m for help): w
The partition table has been altered!

Calling ioctl() to re-read partition table.
Syncing disks.
root@libing-desktop:~# mkfs.vfat /dev/sdb1
mkfs.vfat 3.0.7 (24 Dec 2009)
root@libing-desktop:~# mkfs.ext4 /dev/sdb2 -O ^extent -L system
mke2fs 1.41.11 (14-Mar-2010)
文件系统标签=system
操作系统:Linux
块大小=1024 (log=0)
分块大小=1024 (log=0)
Stride=0 blocks, Stripe width=0 blocks
76608 inodes, 306432 blocks
15321 blocks (5.00%) reserved for the super user
第一个数据块=1
Maximum filesystem blocks=67633152
38 block groups
8192 blocks per group, 8192 fragments per group
2016 inodes per group
Superblock backups stored on blocks:
 8193, 24577, 40961, 57345, 73729, 204801, 221185

正在写入inode表: 完成                           
Creating journal (8192 blocks): 完成
Writing superblocks and filesystem accounting information: 完成

This filesystem will be automatically checked every 23 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.
root@libing-desktop:~# mkfs.ext4 /dev/sdb4 -O ^extent -L recovery
mke2fs 1.41.11 (14-Mar-2010)
文件系统标签=recovery
操作系统:Linux
块大小=1024 (log=0)
分块大小=1024 (log=0)
Stride=0 blocks, Stripe width=0 blocks
13608 inodes, 54432 blocks
2721 blocks (5.00%) reserved for the super user
第一个数据块=1
Maximum filesystem blocks=55836672
7 block groups
8192 blocks per group, 8192 fragments per group
1944 inodes per group
Superblock backups stored on blocks:
 8193, 24577, 40961

正在写入inode表: 完成                           
Creating journal (4096 blocks): 完成
Writing superblocks and filesystem accounting information: 完成

This filesystem will be automatically checked every 22 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.
root@libing-desktop:~# mkfs.ext4 /dev/sdb5 -O ^extent -L data
mke2fs 1.41.11 (14-Mar-2010)
文件系统标签=data
操作系统:Linux
块大小=1024 (log=0)
分块大小=1024 (log=0)
Stride=0 blocks, Stripe width=0 blocks
110880 inodes, 443488 blocks
22174 blocks (5.00%) reserved for the super user
第一个数据块=1
Maximum filesystem blocks=67633152
55 block groups
8192 blocks per group, 8192 fragments per group
2016 inodes per group
Superblock backups stored on blocks:
 8193, 24577, 40961, 57345, 73729, 204801, 221185, 401409

正在写入inode表: 完成                           
Creating journal (8192 blocks): 完成
Writing superblocks and filesystem accounting information: 完成

This filesystem will be automatically checked every 27 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.
root@libing-desktop:~# mkfs.ext4 /dev/sdb6 -O ^extent -L cache
mke2fs 1.41.11 (14-Mar-2010)
文件系统标签=cache
操作系统:Linux
块大小=1024 (log=0)
分块大小=1024 (log=0)
Stride=0 blocks, Stripe width=0 blocks
25272 inodes, 100768 blocks
5038 blocks (5.00%) reserved for the super user
第一个数据块=1
Maximum filesystem blocks=67371008
13 block groups
8192 blocks per group, 8192 fragments per group
1944 inodes per group
Superblock backups stored on blocks:
 8193, 24577, 40961, 57345, 73729

正在写入inode表: 完成                           
Creating journal (4096 blocks): 完成
Writing superblocks and filesystem accounting information: 完成

This filesystem will be automatically checked every 32 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.
root@libing-desktop:~#

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