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usecase: Data Migration Example

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yanyiwu 2015-02-03 00:31:39 +08:00
parent 77cab2b570
commit 74ff6bc3ed
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docs/usecases.rst
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@ -60,20 +60,20 @@ Data Migration Example
.. code-block:: bash
weed master -mdir="/tmp/mdata" -defaultReplication="001" -ip="localhost" -port=9334
weed volume -dir=/tmp/vol1/ -mserver="localhost:9334" -ip="localhost" -port=8081
weed volume -dir=/tmp/vol2/ -mserver="localhost:9334" -ip="localhost" -port=8082
weed volume -dir=/tmp/vol3/ -mserver="localhost:9334" -ip="localhost" -port=8083
weed master -mdir="/tmp/mdata" -defaultReplication="001" -ip="localhost" -port=9334
weed volume -dir=/tmp/vol1/ -mserver="localhost:9334" -ip="localhost" -port=8081
weed volume -dir=/tmp/vol2/ -mserver="localhost:9334" -ip="localhost" -port=8082
weed volume -dir=/tmp/vol3/ -mserver="localhost:9334" -ip="localhost" -port=8083
.. code-block:: bash
ls vol1 vol2 vol3
vol1:
1.dat 1.idx 2.dat 2.idx 3.dat 3.idx 5.dat 5.idx
vol2:
2.dat 2.idx 3.dat 3.idx 4.dat 4.idx 6.dat 6.idx
vol3:
1.dat 1.idx 4.dat 4.idx 5.dat 5.idx 6.dat 6.idx
ls vol1 vol2 vol3
vol1:
1.dat 1.idx 2.dat 2.idx 3.dat 3.idx 5.dat 5.idx
vol2:
2.dat 2.idx 3.dat 3.idx 4.dat 4.idx 6.dat 6.idx
vol3:
1.dat 1.idx 4.dat 4.idx 5.dat 5.idx 6.dat 6.idx
stop all of them
@ -85,29 +85,29 @@ it can be checked by md5.
.. code-block:: bash
md5 vol1/1.dat vol2/1.dat
MD5 (vol1/1.dat) = c1a49a0ee550b44fef9f8ae9e55215c7
MD5 (vol2/1.dat) = c1a49a0ee550b44fef9f8ae9e55215c7
md5 vol1/1.idx vol2/1.idx
MD5 (vol1/1.idx) = b9edc95795dfb3b0f9063c9cc9ba8095
MD5 (vol2/1.idx) = b9edc95795dfb3b0f9063c9cc9ba8095
md5 vol1/1.dat vol2/1.dat
MD5 (vol1/1.dat) = c1a49a0ee550b44fef9f8ae9e55215c7
MD5 (vol2/1.dat) = c1a49a0ee550b44fef9f8ae9e55215c7
md5 vol1/1.idx vol2/1.idx
MD5 (vol1/1.idx) = b9edc95795dfb3b0f9063c9cc9ba8095
MD5 (vol2/1.idx) = b9edc95795dfb3b0f9063c9cc9ba8095
.. code-block:: bash
ls vol1 vol2 vol3
vol1:
1.dat 1.idx 2.dat 2.idx 3.dat 3.idx 4.dat 4.idx 5.dat 5.idx 6.dat 6.idx
vol2:
1.dat 1.idx 2.dat 2.idx 3.dat 3.idx 4.dat 4.idx 5.dat 5.idx 6.dat 6.idx
vol3:
ls vol1 vol2 vol3
vol1:
1.dat 1.idx 2.dat 2.idx 3.dat 3.idx 4.dat 4.idx 5.dat 5.idx 6.dat 6.idx
vol2:
1.dat 1.idx 2.dat 2.idx 3.dat 3.idx 4.dat 4.idx 5.dat 5.idx 6.dat 6.idx
vol3:
start
.. code-block:: bash
weed master -mdir="/tmp/mdata" -defaultReplication="001" -ip="localhost" -port=9334
weed volume -dir=/tmp/vol1/ -mserver="localhost:9334" -ip="localhost" -port=8081
weed volume -dir=/tmp/vol2/ -mserver="localhost:9334" -ip="localhost" -port=8082
weed master -mdir="/tmp/mdata" -defaultReplication="001" -ip="localhost" -port=9334
weed volume -dir=/tmp/vol1/ -mserver="localhost:9334" -ip="localhost" -port=8081
weed volume -dir=/tmp/vol2/ -mserver="localhost:9334" -ip="localhost" -port=8082
so we finished moving data of localhost:8083 to localhost:8081/localhost:8082