Mohit,

Take a look at this article:
http://www.kernelhardware.org/how-should-run-fsck-linux-file-system/

From: Mohit Vadhera [mailto:[EMAIL PROTECTED]]
Sent: Friday, March 01, 2013 1:52 PM
To: <[EMAIL PROTECTED]>
Subject: hadoop filesystem corrupt

Hi,

While moving the data my data folder didn't move successfully. Now while running the FSCK i get the file system is corrupt. Can anybody help me at the earliest please. I shall be thankful

$ sudo - hdfs hadoop fsck /

-----------------------------
-------------------------

...Status: CORRUPT
 Total size:    739698399117 B
 Total dirs:    2179
 Total files:   9064 (Files currently being written: 1)
 Total blocks (validated):      17060 (avg. block size 43358640 B)
  ********************************
  CORRUPT FILES:        4
  CORRUPT BLOCKS:       4
  ********************************
 Minimally replicated blocks:   17060 (100.0 %)
 Over-replicated blocks:        0 (0.0 %)
 Under-replicated blocks:       232 (1.3599062 %)
 Mis-replicated blocks:         0 (0.0 %)
 Default replication factor:    1
 Average block replication:     1.0
 Corrupt blocks:                4
 Missing replicas:              2088 (10.904533 %)
 Number of data-nodes:          1
 Number of racks:               1
FSCK ended at Fri Mar 01 13:56:41 EST 2013 in 509 milliseconds
The filesystem under path '/' is CORRUPT

Hi Mohit,

Is your replication factor really setup to 1?

"Default replication factor:    1"

Also, can you look into you data directories and ensure you always
have the right structur and all the related META files?

JM

2013/3/1 Mohit Vadhera <[EMAIL PROTECTED]>:
> Hi,
>
> While moving the data my data folder didn't move successfully. Now while
> running the FSCK i get the file system is corrupt. Can anybody help me at
> the earliest please. I shall be thankful
>
> $ sudo - hdfs hadoop fsck /
>
> -----------------------------
> -------------------------
>
> ...Status: CORRUPT
>  Total size:    739698399117 B
>  Total dirs:    2179
>  Total files:   9064 (Files currently being written: 1)
>  Total blocks (validated):      17060 (avg. block size 43358640 B)
>   ********************************
>   CORRUPT FILES:        4
>   CORRUPT BLOCKS:       4
>   ********************************
>  Minimally replicated blocks:   17060 (100.0 %)
>  Over-replicated blocks:        0 (0.0 %)
>  Under-replicated blocks:       232 (1.3599062 %)
>  Mis-replicated blocks:         0 (0.0 %)
>  Default replication factor:    1
>  Average block replication:     1.0
>  Corrupt blocks:                4
>  Missing replicas:              2088 (10.904533 %)
>  Number of data-nodes:          1
>  Number of racks:               1
> FSCK ended at Fri Mar 01 13:56:41 EST 2013 in 509 milliseconds
>
>
> The filesystem under path '/' is CORRUPT
>