Hi Sheng,
On Fri, 12 Mar 2010, sheng zheng wrote:
> hi£¬all
> when i install a test cluster with ceph-0.19-tar.gz,it runs abnormally.
> 1) when i run mkmonfs, the follwing arise:
> mkmonfs -i 0 --mon-data mondata/mon0 --monmap monmap --osdmap osdmap
> 10.03.12 17:07:28.542772 store(mondata/mon0) mkfs
> 10.03.12 17:07:28.542932 store(mondata/mon0) test -d mondata/mon0 && /bin/rm
> -rf mondata/mon0 ; mkdir -p mondata/mon0
> 10.03.12 17:07:28.558756 mon0(starting).class v0 create_initial -- creating
> initial map
> 10.03.12 17:07:28.562110 mon0(starting).auth v0 create_initial -- creating
> initial map
> 10.03.12 17:07:28.562143 mon0(starting).auth v0 reading initial keyring
> can't open ~/.ceph/keyring.bin, /etc/ceph/keyring.bin, .ceph_keyring: No
> such file or directory
> can't open ~/.ceph/keyring.bin, /etc/ceph/keyring.bin, .ceph_keyring: No
> such file or directory
> can't open ~/.ceph/keyring.bin, /etc/ceph/keyring.bin, .ceph_keyring: No
> such file or directory
> mkmonfs: created monfs at mondata/mon0 for mon0
The keyring.bin warnings can be ignored if you're not using the cephx
authentication (i.e., if you don't have
auth supported = cephx
in your ceph.conf). If you _do_ have it enabled, you need to add '-k
adminkeyring.bin' to the mkcephfs command line so that you get a copy of
the admin key to administer the cluster. But I'd recommend just leaving
authentication off for now!
> 2) when i mount -t ceph 192.168.1.202:/ /mnt/ceph,the follwing arise:
> mount: 192.168.1.202:/: can't read superblock
> dmesg:
> [ 1581.804768] ceph: client4100 fsid
> 07bd01d9-93b0-8928-1d87-cb3bb0d76684
> [ 1581.804847] ceph: mon0 192.168.1.202:6789 session established
Probably the MDS isn't letting the client open the root inode. That may
be because the MDS didn't start, or because the OSDs aren't up (without
which the MDS can't do anything useful). The output from 'ceph -w' would
narrow it down.
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