hadoop-common-user mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Eli Collins <...@cloudera.com>
Subject Re: Namenode crashes while rolling edit log from secondary namenode
Date Sat, 05 Dec 2009 05:12:34 GMT
Hey Zhang,

Thanks for the info. Can you be more specific, eg by NN crash do you
mean NPE? Relevant logs would be helpful.

Thanks,
Eli

On Fri, Dec 4, 2009 at 2:59 PM, Zhang, Zhang <zhang.zhang@corp.aol.com> wrote:
>
> Eli,
>
> Thanks for responding to my question. I guess what you're mentioning are
> dfs.name.edits.dir and dfs.namenode.name.dir. They do not contain any
> NFS mounted directories. They were all accessible (can be seen by UNIX
> shell commands such as ls and du) when the namenode went down. The error
> message is just the symptom. It is not the cause of the failure.
>
> Zhang
>
>
> -----Original Message-----
> From: Eli Collins [mailto:eli@cloudera.com]
> Sent: Friday, December 04, 2009 2:03 PM
> To: common-user@hadoop.apache.org
> Subject: Re: Namenode crashes while rolling edit log from secondary
> namenode
>
> Hey Zhang,
>
>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Fatal Error : All
>> storage directories are inaccessible.
>
> Are the directories specified by dfs.namenode.[name|edits].dir
> accessible? Perhaps they're NFS mounts that are flaking out?
>
> Thanks,
> Eli
>

Mime
View raw message