Hi,
Some of the ceph-fuse clients hang on write operations to the cephFS.
Do all the clients use the same credentials for authentication? Have
you tried to mount the filesystem with the same credentials as your
VMs do and then tried to create files? Has it worked before or is this
a new approach?
Anything in the syslog/dmesg of the VMs?
Regards,
Eugen
Zitat von Bödefeld Sabine <boedef...@ecospeed.ch>:
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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