Yeah Alex, I tried. But still I am not able to make it [root@namenode ~]# *echo "hadoop-fuse-dfs#dfs://namenode:8020 /hdfs_mount fuse usetrash,rw 0 0" >> /etc/fstab* [root@namenode ~]# *mount -a INFO fuse_options.c:162 Adding FUSE arg /hdfs_mount*
[root@namenode ~]# *mount | grep fuse fuse on /hdfs_mount type fuse (rw,nosuid,nodev,allow_other,default_permissions)* [root@namenode ~]# ls -ld /hdfs_mount/ drwxrwxr-x 11 *nobody nobody* 4096 Apr 9 12:34 /hdfs_mount/ [root@namenode ~]# touch /hdfs_mount/file *touch: cannot touch `/hdfs_mount/file': Permission denied* On Thu, Apr 26, 2012 at 6:09 PM, alo alt <wget.n...@googlemail.com> wrote: > Manu, > > did you mount hdfs over fstab: > > hadoop-fuse-dfs#dfs://namenode.local:<PORT> /hdfs-mount fuse usetrash,rw 0 > 0" ? > > You could that do with: > "mkdir -p /hdfs-mount && chmod 777 /hdfs-mount && echo > "hadoop-fuse-dfs#dfs://NN.URI:<PORT> /hdfs-mount fuse usetrash,rw 0 0" >> > /etc/fstab && mount -a ; mount" > > > - Alex > > > On Apr 26, 2012, at 2:00 PM, Manu S wrote: > > > 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.n...@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 > > > > > > > > > -- > Alexander Lorenz > http://mapredit.blogspot.com > > -- Thanks & Regards ---- *Manu S* SI Engineer - OpenSource & HPC Wipro Infotech Mob: +91 8861302855 Skype: manuspkd www.opensourcetalk.co.in
