{"action":"created","issue":{"url":"https://api.github.com/repos/ceph/ceph/issues/8295","repository_url":"https://api.github.com/repos/ceph/ceph","labels_url":"https://api.github.com/repos/ceph/ceph/issues/8295/labels{/name}","comments_url":"https://api.github.com/repos/ceph/ceph/issues/8295/comments","events_url":"https://api.github.com/repos/ceph/ceph/issues/8295/events","html_url":"https://github.com/ceph/ceph/pull/8295","id":143232525,"number":8295,"title":"osd/osd_types: encode pg_pool_t the old way","user":{"login":"tchaikov","id":59071,"avatar_url":"https://avatars.githubusercontent.com/u/59071?v=3","gravatar_id":"","url":"https://api.github.com/users/tchaikov","html_url":"https://github.com/tchaikov","followers_url":"https://api.github.com/users/tchaikov/followers","following_url":"https://api.github.com/users/tchaikov/following{/other_user}","gists_url":"https://api.github.com/users/tchaikov/gists{/gist_id}","starred_url":"https://api.github.com/users/tchaikov/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tchaikov/subscriptions","organizations_url":"https://api.github.com/users/tchaikov/orgs","repos_url":"https://api.github.com/users/tchaikov/repos","events_url":"https://api.github.com/users/tchaikov/events{/privacy}","received_events_url":"https://api.github.com/users/tchaikov/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/ceph/ceph/labels/bug%20fix","name":"bug fix","color":"e11d21"},{"url":"https://api.github.com/repos/ceph/ceph/labels/core","name":"core","color":"0052cc"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":3,"created_at":"2016-03-24T12:33:36Z","updated_at":"2016-03-24T12:36:45Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/ceph/ceph/pulls/8295","html_url":"https://github.com/ceph/ceph/pull/8295","diff_url":"https://github.com/ceph/ceph/pull/8295.diff","patch_url":"https://github.com/ceph/ceph/pull/8295.patch"},"body":"if we upgrade from an old cluster with monitor 0.94, which is still\r\nsuffered from tracker#12410. then the crc error of re-encoded osdmap\r\ncan prevent the osd from requesting more osdmaps. as the monitor\r\nfails to send a single last map due to the off-by-one bug.\r\n\r\na reproducer is:\r\n--suite upgrade --ceph jewel --filter\r\n'upgrade/hammer/older/{0-cluster/start.yaml 1-install/v0.94.yaml\r\n2-workload/blogbench.yaml 3-upgrade-sequence/upgrade-osd-mon-mds.yaml\r\n4-final/{monthrash.yaml osdthrash.yaml testrados.yaml}\r\ndistros/ubuntu_14.04' .\r\n\r\nFixes: #13288\r\nSigned-off-by: Kefu Chai <kchai@redhat.com>"},"comment":{"url":"https://api.github.com/repos/ceph/ceph/issues/comments/200812672","html_url":"https://github.com/ceph/ceph/pull/8295#issuecomment-200812672","issue_url":"https://api.github.com/repos/ceph/ceph/issues/8295","id":200812672,"user":{"login":"tchaikov","id":59071,"avatar_url":"https://avatars.githubusercontent.com/u/59071?v=3","gravatar_id":"","url":"https://api.github.com/users/tchaikov","html_url":"https://github.com/tchaikov","followers_url":"https://api.github.com/users/tchaikov/followers","following_url":"https://api.github.com/users/tchaikov/following{/other_user}","gists_url":"https://api.github.com/users/tchaikov/gists{/gist_id}","starred_url":"https://api.github.com/users/tchaikov/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/tchaikov/subscriptions","organizations_url":"https://api.github.com/users/tchaikov/orgs","repos_url":"https://api.github.com/users/tchaikov/repos","events_url":"https://api.github.com/users/tchaikov/events{/privacy}","received_events_url":"https://api.github.com/users/tchaikov/received_events","type":"User","site_admin":false},"created_at":"2016-03-24T12:36:45Z","updated_at":"2016-03-24T12:36:45Z","body":"this is a \"forward\" port of a commit in #7883"}}