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From Manu S <manupk...@gmail.com>
Subject Re: HDFS mounting issue using Hadoop-Fuse on Fully Distributed Cluster?
Date Thu, 26 Apr 2012 12:00:59 GMT
Thanks a lot Alex.

Actually I didn't tried the NFS option, as I am trying to sort out this
hadoop-fuse mounting issue.
I can't change the ownership of mount directory after hadoop-fuse mount.

[root@namenode ~]# ls -ld /hdfs_mount/
drwxrwxr-x 11 nobody nobody 4096 Apr  9 12:34 /hdfs_mount/

[root@namenode ~]# chown hdfs /hdfs_mount/
chown: changing ownership of `/hdfs_mount/': Input/output error

Any ideas?


On Thu, Apr 26, 2012 at 4:26 PM, alo alt <wget.null@googlemail.com> wrote:

> Hi,
>
> I wrote a small writeup about:
> http://mapredit.blogspot.de/2011/11/nfs-exported-hdfs-cdh3.html
>
> As you see, the FS is mounted as nobody and you try as root. Change the
> permissions in your hdfs:
> hadoop -dfs chmod / chown ....
>
> - Alex
>
> --
> Alexander Lorenz
> http://mapredit.blogspot.com
>
> On Apr 26, 2012, at 12:50 PM, Manu S wrote:
>
> > Dear All,
> >
> > I have installed *Hadoop-fuse* to mount the HDFS filesystem locally . I
> > could mount the HDFS without any issues.But I am not able to do any file
> > operations like *delete, copy, move* etc directly. The directory
> ownership
> > automatically changed to *nobody:nobody* while mounting.
> >
> > *[root@namenode ~]# ls -ld /hdfs_mount/
> > drwxr-xr-x 2 root root 4096 Apr 3 16:22 /hdfs_mount/
> >
> > [root@namenode ~]# hadoop-fuse-dfs dfs://namenode:8020 /hdfs_mount/** **
> > INFO fuse_options.c:162 Adding FUSE arg /hdfs_mount/
> >
> > [root@namenode ~]# ls -ld /hdfs_mount/* *
> > drwxrwxr-x 10 nobody nobody 4096 Apr 5 13:22 /hdfs_mount/*
> >
> > I tried the same with *pseudo-distributed node*,but its working fine. I
> can
> > do any normal file operations after mounting the HDFS.
> >
> > Appreciate your help on the same.
> >
> > --
> > Thanks & Regards
> > ----
> > *Manu S*
> > SI Engineer - OpenSource & HPC
> > Wipro Infotech
> > Mob: +91 8861302855                Skype: manuspkd
> > www.opensourcetalk.co.in
>
>


-- 
Thanks & Regards
----
*Manu S*
SI Engineer - OpenSource & HPC
Wipro Infotech
Mob: +91 8861302855                Skype: manuspkd
www.opensourcetalk.co.in

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