Hello,
we have a Ceph Cluster 10.2.10 on VMs with Ubuntu 16.04 using Xen as the
hypervisor. We use CephFS and the clients use ceph-fuse to access the files.
Some of the ceph-fuse clients hang on write operations to the cephFS. On
copying a file to the cephFS, the file is created but it's empty and the
write operation hangs forever. Ceph-fuse version is 10.2.9.
In the logfile of the mds there are no error messages. Also, ceph health
returns HEALTH_OK.
ceph daemon mds.eco61 session ls reports no problems (if I interpret
correctly):
{
"id": 64396,
"num_leases": 2,
"num_caps": 32,
"state": "open",
"replay_requests": 0,
"completed_requests": 1,
"reconnecting": false,
"inst": "client.64396 192.168.1.179:0\/980852091",
"client_metadata": {
"ceph_sha1": "2ee413f77150c0f375ff6f10edd6c8f9c7d060d0",
"ceph_version": "ceph version 10.2.9
(2ee413f77150c0f375ff6f10edd6c8f9c7d060d0)",
"entity_id": "admin",
"hostname": "eco79",
"mount_point": "\/mnt\/cephfs",
"root": "\/"
}
},
Does anyone have an idea where the problem lies? Any help would be greatly
appreciated.
Thanks very much,
Kind regards
Sabine
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