Hadoop, mail # general - Re: WARNING : There are about 1 missing blocks. Please check the log or run fsck.

WARNING : There are about 1 missing blocks. Please check the log or run fsck.

Vaibhav Negi 2010-08-26, 11:22

Hi ,

I am using hadoop version : 0.20.2 . I am getting this error message.

WARNING : There are about 1 missing blocks. Please check the log or run
fsck.

What to do? Is there any problem in the cluster

Regards

Vaibhav Negi
Software Engineer– Engineering.
One97 Communications Ltd
P: +91 11 46500197 Extn:461
M: + 91 9582259332

Let’s Get Talking!

Re: WARNING : There are about 1 missing blocks. Please check the log or run fsck.

Ted Yu 2010-08-26, 16:41

Run fsck.

On Thu, Aug 26, 2010 at 5:56 AM, vaibhav negi <[EMAIL PROTECTED]>wrote:

> Hi ,
>
> I am using hadoop version : 0.20.2 . I am getting this error message.
>
> WARNING : There are about 1 missing blocks. Please check the log or run
> fsck.
>
> What to do? Is there any problem in the cluster
>
> Thanks and Best Regards
>
> Vaibhav Negi
>

Re: WARNING : There are about 1 missing blocks. Please check the log or run fsck.

Galloway, Michael D. 2010-08-26, 18:55

As said earlier try:

hadoop fsck /

----- Original Message -----
From: Vaibhav Negi [mailto:[EMAIL PROTECTED]]
Sent: Thursday, August 26, 2010 07:22 AM
To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
Subject: WARNING : There are about 1 missing blocks. Please check the log or run fsck.

Hi ,

I am using hadoop version : 0.20.2 . I am getting this error message.

WARNING : There are about 1 missing blocks. Please check the log or run
fsck.

What to do? Is there any problem in the cluster

Regards

Vaibhav Negi
Software Engineer– Engineering.
One97 Communications Ltd
P: +91 11 46500197 Extn:461
M: + 91 9582259332

Let’s Get Talking!

Re: WARNING : There are about 1 missing blocks. Please check the log or run fsck.

vaibhav negi 2010-08-27, 06:47

Hi ,

thanks for reply. Msg says that "The filesystem under path '/' is CORRUPT"

Whole msg is :-

[hadoop@vmlinux3 bin]$ hadoop fsck /
.
/home/hadoop/mapred/system/jobtracker.info: CORRUPT block
blk_-4797974583768874015

/home/hadoop/mapred/system/jobtracker.info: MISSING 1 blocks of total size 4
B.Status: CORRUPT
Total size: 4 B
Total dirs: 8
Total files: 1
Total blocks (validated): 1 (avg. block size 4 B)
  ********************************
  CORRUPT FILES: 1
  MISSING BLOCKS: 1
  MISSING SIZE: 4 B
  CORRUPT BLOCKS: 1
  ********************************
Minimally replicated blocks: 0 (0.0 %)
Over-replicated blocks: 0 (0.0 %)
Under-replicated blocks: 0 (0.0 %)
Mis-replicated blocks: 0 (0.0 %)
Default replication factor: 1
Average block replication: 0.0
Corrupt blocks: 1
Missing replicas: 0
Number of data-nodes: 1
Number of racks: 1
The filesystem under path '/' is CORRUPT
[hadoop@vmlinux3 bin]$
Vaibhav Negi
On Fri, Aug 27, 2010 at 12:25 AM, Galloway, Michael D.
<[EMAIL PROTECTED]>wrote:

> As said earlier try:
>
> hadoop fsck /
>
>
>
> ----- Original Message -----
> From: Vaibhav Negi [mailto:[EMAIL PROTECTED]]
> Sent: Thursday, August 26, 2010 07:22 AM
> To: [EMAIL PROTECTED] <[EMAIL PROTECTED]>
> Subject: WARNING : There are about 1 missing blocks. Please check the log
> or run fsck.
>
> Hi ,
>
> I am using hadoop version : 0.20.2 . I am getting this error message.
>
> WARNING : There are about 1 missing blocks. Please check the log or run
> fsck.
>
> What to do? Is there any problem in the cluster
>
>
>
> Regards
>
> Vaibhav Negi
> Software Engineer– Engineering.
> One97 Communications Ltd
> P: +91 11 46500197 Extn:461
> M: + 91 9582259332
>
> Let’s Get Talking!
>