Hi Greg, Can I restart daemons one by one online? Or there will be a down time before I restart all daemons? Thanks Choury ________________________________________ 发件人: Gregory Farnum <gfarnum@xxxxxxxxxx> 发送时间: 2018年1月25日 16:52:46 收件人: 周 威 抄送: ceph-users@xxxxxxxxxxxxxx 主题: Re: How to migrate ms_type to async ? You just have the set the config option ("ms_type = async", I think?) and restart daemons. Both messengers use the same protocol and there's no migration in terms of data or setting up compatibility. -Greg On Thu, Jan 25, 2018 at 9:43 AM 周 威 <choury@xxxxxx<mailto:choury@xxxxxx>> wrote: Hi all, I have a cluster in jewel which is upgraded from hammer , I want to migrate ms_type to async, but I can't find documents about it. Does somebody know how to do that? Thanks Choury _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx<mailto:ceph-users@xxxxxxxxxxxxxx> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com<https://nam01.safelinks.protection.outlook.com/?url=http%3A%2F%2Flists.ceph.com%2Flistinfo.cgi%2Fceph-users-ceph.com&data=02%7C01%7C%7Cfa2ee9014c2a4f53320108d563d10846%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C636524671788911583&sdata=CaBajf7ktaQaSZtF8OW8WievRj11doP7UUHQdfQKe%2BI%3D&reserved=0> _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com