Thanks! I'll check it out. 2017年11月24日 17:58，"Yan, Zheng" <uker...@gmail.com>写道：
> On Fri, Nov 24, 2017 at 4:59 PM, Zhang Qiang <dotslash...@gmail.com> > wrote: > > Hi all, > > > > To observe what will happen to ceph-fuse mount if the network is down, we > > blocked > > network connections to all three monitors by iptables. If we restore the > > network > > immediately(within minutes), the blocked I/O request will be restored, > every > > thing will > > be back to normal. > > > > But if we continue to block it long enough, say twenty minutes, ceph-fuse > > will not be > > able to restore. The ceph-fuse process is still there, but will not be > able > > to handle I/O > > operations, df or ls will hang indefinitely. > > > > What is the retry policy of ceph-fuse? Is it normal for ceph-fuse to hang > > after the > > network blocking? If so, how can I make it restore to normal after the > > network is > > recovered? If it is not normal, what might be the cause? How can I help > to > > debug this? > > you can use 'kick_stale_sessions' ASOK command to make ceph-fuse > reconnect, or set 'client_reconnect_stale' config option to true. > Besides, you need to set mds config option > 'mds_session_blacklist_on_timeout' to false. > > > > > Thanks. > > > > _______________________________________________ > > ceph-users mailing list > > ceph-users@lists.ceph.com > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > >
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