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HDFS, mail # user - QJM deployment


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QJM deployment
Azuryy Yu 2013-02-17, 08:55
Hi,

who can kindly make 2.0.3-alpha QJM  deployment document more better, I
cannot understand it successfully, thanks.

such as :
1) by running the command "*hdfs namenode -bootstrapStandby*" on the
unformatted NameNode

- - it should be start formatted namenode firstly.
2) If you are converting a non-HA NameNode to be HA, you should run the
command "*hdfs -initializeSharedEdits*", which will initialize the
JournalNodes with the edits data from the local NameNode edits directories.

-- run this command on which node? and does that this command exists?
QJM "Deployment details" section is bad....