Almost! The primary OSD sends out the data to its replicas simultaneously with putting it into the journal. -Greg
On Monday, January 20, 2014, Tim Zhang <[email protected]> wrote: > Hi guys, > I wonder how does store objects. Consider the writing obj process, IMO, > osd first get obj data from client, then the primary osd get the data, > store the data in journal(with sync) , after that the primary osd spray the > obj to other replica osd simultaneously, and each replica osd will write > the journal with sync and then reply to the primary osd. After recieving > all the replies from replica osd, primary osd will report the write op is > finished. Is there anything wrong? > -- Software Engineer #42 @ http://inktank.com | http://ceph.com
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