Re: [ceph-users] Question about OSDSuperblock

2016-10-22 Thread xxhdx1985126
Title: 缃戞槗閭 Sorry, sir. I don't quite follow you. I agree that the osds must get the current map to know who to contact so it can catch up. But it looks to me that the osd is getting the current map through get_map(superblock.current_epoch) in which the content of the variable superblock.current_

Re: [ceph-users] Question about OSDSuperblock

2016-10-22 Thread xxhdx1985126
Title: 缃戞槗閭 Sorry, sir. I don't quite follow you. I agree that the osds must get the current map to know who to contact so it can catch up. But it looks to me that the osd is getting the current map through get_map(superblock.current_epoch) in which the variable superblock.current_epoch is read f

Re: [ceph-users] Question about OSDSuperblock

2016-10-22 Thread David Turner
The osd needs to know where it thought data was, in particular so it knows what it has. Then it gets the current map so it knows who to talk to so it can catch back up. Sent from my iPhone On Oct 22, 2016, at 7:12 AM, xxhdx1985126 mailto:xxhdx1985...@163.com>> wrote: Hi, everyone. I'm trying