rbd ioengine for fio

[Mavis Xiang <yxiang818@xxxxxxxxx>]

Hi all,

I am new to the rbd engine for fio, and ran into the following problems when i try to run a 4k write with my rbd image: 

rbd_iodepth32: (g=0): rw=randwrite, bs=4K-4K/4K-4K/4K-4K, ioengine=rbd, iodepth=32

fio-2.11-17-ga275

Starting 1 process

rbd engine: RBD version: 0.1.8

rados_connect failed.

fio_rbd_connect failed.

It seems that the rbd client cannot connect to the ceph cluster. 

Ceph health output:

cluster e414604c-29d7-4adb-a889-7f70fc252dfa

     health HEALTH_WARN clock skew detected on mon.h02, mon.h05

     

But it should not affected the connection to the cluster. 

Ceph.conf: 

[global]

fsid = e414604c-29d7-4adb-a889-7f70fc252dfa

mon_initial_members = h02

mon_host = XXX.X.XXX.XXX

auth_cluster_required = cephx

auth_service_required = cephx

auth_client_required = cephx

filestore_xattr_use_omap = true

osd_pool_default_pg_num = 2400

osd_pool_default_pgp_num = 2400

public_network = XXX.X.XXX.X/21

[osd]

osd_crush_update_on_start = false

Should this be something about keyring? i did not find any options about keyring that can be set in fio file. 

Can anyone please give some insights about this problem?

Any help would be appreciated!

Thanks!

Yu

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