{"action":"created","issue":{"url":"https://api.github.com/repos/axboe/fio/issues/253","repository_url":"https://api.github.com/repos/axboe/fio","labels_url":"https://api.github.com/repos/axboe/fio/issues/253/labels{/name}","comments_url":"https://api.github.com/repos/axboe/fio/issues/253/comments","events_url":"https://api.github.com/repos/axboe/fio/issues/253/events","html_url":"https://github.com/axboe/fio/issues/253","id":182222514,"number":253,"title":"something happened when directI/O=1","user":{"login":"pahome","id":7940699,"avatar_url":"https://avatars.githubusercontent.com/u/7940699?v=3","gravatar_id":"","url":"https://api.github.com/users/pahome","html_url":"https://github.com/pahome","followers_url":"https://api.github.com/users/pahome/followers","following_url":"https://api.github.com/users/pahome/following{/other_user}","gists_url":"https://api.github.com/users/pahome/gists{/gist_id}","starred_url":"https://api.github.com/users/pahome/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/pahome/subscriptions","organizations_url":"https://api.github.com/users/pahome/orgs","repos_url":"https://api.github.com/users/pahome/repos","events_url":"https://api.github.com/users/pahome/events{/privacy}","received_events_url":"https://api.github.com/users/pahome/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-10-11T09:55:40Z","updated_at":"2016-10-11T14:10:08Z","closed_at":null,"body":"Mine machine is Ubuntu 4.4.0-38 x86_64\r\nfio_version = 2.14\r\nBelow is my config file\r\n```\r\n[global]\r\nioengine=libaio\r\n**direct=1**\r\ntime_based\r\nruntime=60\r\nramp_time=30\r\nsize=64g\r\ngroup_reporting\r\n\r\n[S_100RW_1M_R]\r\nrw=read\r\nnumjobs=1\r\niodepth=32\r\nbs=1m\r\nstonewall\r\n\r\n[S_100RW_1M_W]\r\nrw=write\r\nnumjobs=1\r\niodepth=32\r\nbs=1m\r\nstonewall\r\n```\r\nwhen I execute :` sudo fio fio.cfg` and it done\r\nit shows the result of seq. read without seq. write.\r\nit shows below:\r\n`fio: io_u error on file xxxxx : Invalid argument: write offset=0, buflen=1048576`\r\n\r\nI tried every times and the results are the same even I changed the tested device.\r\n\r\nhow come it happened?\r\n\r\nthanks a lot"},"comment":{"url":"https://api.github.com/repos/axboe/fio/issues/comments/252927767","html_url":"https://github.com/axboe/fio/issues/253#issuecomment-252927767","issue_url":"https://api.github.com/repos/axboe/fio/issues/253","id":252927767,"user":{"login":"axboe","id":2619634,"avatar_url":"https://avatars.githubusercontent.com/u/2619634?v=3","gravatar_id":"","url":"https://api.github.com/users/axboe","html_url":"https://github.com/axboe","followers_url":"https://api.github.com/users/axboe/followers","following_url":"https://api.github.com/users/axboe/following{/other_user}","gists_url":"https://api.github.com/users/axboe/gists{/gist_id}","starred_url":"https://api.github.com/users/axboe/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/axboe/subscriptions","organizations_url":"https://api.github.com/users/axboe/orgs","repos_url":"https://api.github.com/users/axboe/repos","events_url":"https://api.github.com/users/axboe/events{/privacy}","received_events_url":"https://api.github.com/users/axboe/received_events","type":"User","site_admin":false},"created_at":"2016-10-11T14:10:08Z","updated_at":"2016-10-11T14:10:08Z","body":"Looks like your filesystem doesn't support O_DIRECT. What file system is being used with the job file?"}}
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