Changes between Version 7 and Version 8 of waue/2009/1005

Timestamp:

Oct 6, 2009, 5:52:58 PM (16 years ago)

Author:

waue

Comment:

--

waue/2009/1005

@@ -53 +53 @@
 $ sudo mkdir /usr/local/share/hdfs/
 $ sudo cp /opt/hadoop/build/libhdfs /usr/local/share/hdfs/libhdfs/
+$ mkdir /tmp/fusehdfs
 }}}
 
@@ -65 +66 @@
 
 == 3. ==
+ * 掛載
+{{{
+$ fuse_dfs_wrapper.sh dfs://secuse.nchc.org.tw:9000 /tmp/fusehdfs
+}}}
+
+於另外一個視窗
 
 {{{
-$ mkdir /tmp/fusehdfs
-$ fuse_dfs_wrapper.sh dfs://secuse.nchc.org.tw:9000 /tmp/fusehdfs -d
+$ cd /tmp/fusehdfs
+#// 可以自由下達 讀、寫、新增、刪除檔案 等指令
 }}}
 
-另外一個視窗
+ * 卸載
 {{{
-$  ls /tmp/fusehdfs
+$ fuseumount -u /tmp/fusehdfs
 }}}
 
- = 4. =
+ = 補充 =
 
 加入以下內容到 /etc/fstab
@@ -83 +90 @@
 fuse_dfs#dfs://hadoop_server.foo.com:9000 /export/hdfs fuse -oallow_other,rw,-ousetrash,-oinitchecks 0 0
 }}}
+
+好處是之後就可以用mount 指令來掛載
+{{{
+$ sudo mount /tmp/fusehdfs
+$ sudo umount /tmp/fusehdfs
+}}}
+
+缺點是用root mount 會導致權限問題，與因為export參數不完全，導致找不到libhdfs.so.0
+
  = bug fix =
  * check java5