From my point of view, preventing clients from being added to blacklists may be better if you are in a poor network environment. AFAIK the server will send signals to clients frequently. And it will add someone to the blacklist if it doesn't receive a reply.
<380562...@qq.com> 于2020年7月8日周三 下午3:01写道： > Hi all. > > If cephfs client is in a slow or unreliable network environment, the > client will be added to OSD blacklist and OSD map, and the default duration > is 1 hour. > During this time, the client will be forbidden to access CEPH. If I want > to solve this problem and ensure client's normal I/O operation is not > interrupted, > are the following two options feasible? which one is better? > > 1. Set "mds_session_blacklist_on_timeout" to false, and forbid to add slow > clients to blacklist; > > 2.Just reduce the duration of slow clients joining the blacklist, and > change the default 1 hour to 5 minutes. > (set the value of "mon_osd_blacklist_default_expire" to 5 minutes） > > > Are the two schemes feasible? Will it have a great impact on the data > security and integrity of CEPH? > Can you give me some suggestions? > > Thanks. > _______________________________________________ > ceph-users mailing list -- ceph-users@ceph.io > To unsubscribe send an email to ceph-users-le...@ceph.io > _______________________________________________ ceph-users mailing list -- ceph-users@ceph.io To unsubscribe send an email to ceph-users-le...@ceph.io
