Cant format 1TB USB drive ?

Linuxguy123 linuxguy123 at gmail.com
Sun Oct 3 15:17:42 UTC 2010


On Sun, 2010-10-03 at 10:23 -0400, Sam Varshavchik wrote:
> Linuxguy123 writes:
> 
> > ext2fs_mkdir: Attempt to read block from filesystem resulted in short
> > read while creating root dir
> 
> Two possibilities:
> 
> 1) The drive's partition table is fibbing slightly about the drive's size. 
> Check /var/log/messages when attaching the drive, to see what they say. Try 
> creating a partition one cylinder shorter in size.
> 
> 2) The drive is a brick.

I kinda doubt its a brick.

I re partitioned it with one less cylinder as follows.

===========================================================================
# fdisk /dev/sdc

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/sdc: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 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: 0x609682be

   Device Boot      Start         End      Blocks   Id  System
/dev/sdc1               1      121601   976760001   83  Linux

Command (m for help): d
Selected partition 1

Command (m for help): p

Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 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: 0x609682be

   Device Boot      Start         End      Blocks   Id  System

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

Calling ioctl() to re-read partition table.
Syncing disks.

# fdisk /dev/sdc
                                                                                                                                        
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): n
Command action
   e   extended
   p   primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-121601, default 1): 
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-121601, default 121601):
121600

Command (m for help): p

Disk /dev/sdc: 1000.2 GB, 1000204886016 bytes
255 heads, 63 sectors/track, 121601 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: 0x609682be

   Device Boot      Start         End      Blocks   Id  System
/dev/sdc1               1      121600   976751968+  83  Linux

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

Calling ioctl() to re-read partition table.
Syncing disks.

================================================================================

Then I tried formatting it.

# mkfs -text4 /dev/sdc1
mke2fs 1.41.10 (10-Feb-2009)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
61054976 inodes, 244187992 blocks
12209399 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=0
7453 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks: 
        32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632,
2654208, 
        4096000, 7962624, 11239424, 20480000, 23887872, 71663616,
78675968, 
        102400000, 214990848

Writing inode tables: done                            
ext2fs_mkdir: Attempt to read block from filesystem resulted in short
read while creating root dir

==============================================================================

This operation threw a kernel error:

Package:    	kernel
Latest Crash:	Sun 03 Oct 2010 09:13:56 AM 
Command:    	not_applicable
Reason:     	WARNING: at fs/fs-writeback.c:581 writeback_inodes_wb
+0x1ad/0x35b()
Comment:    	None
Bug Reports:	

$ uname -a
Linux localhost.localdomain 2.6.34.7-56.fc13.i686.PAE #1 SMP Wed Sep 15
03:27:15 UTC 2010 i686 i686 i386 GNU/Linux

What now ?





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