ceph error

ceph-deploy osd activate blade7:/var/local/osd0 blade8:/var/local/osd1
[ceph_deploy.conf][DEBUG ] found configuration file at: /home/cephcool06/.cephdeploy.conf
[ceph_deploy.cli][INFO  ] Invoked (1.5.13): /usr/bin/ceph-deploy osd activate blade7:/var/local/osd0 blade8:/var/local/osd1
[ceph_deploy.osd][DEBUG ] Activating cluster ceph disks blade7:/var/local/osd0: blade8:/var/local/osd1:
[blade7][DEBUG ] connected to host: blade7
[blade7][DEBUG ] detect platform information from remote host
[blade7][DEBUG ] detect machine type
[ceph_deploy.osd][INFO  ] Distro info: debian 7.0 wheezy
[ceph_deploy.osd][DEBUG ] activating host blade7 disk /var/local/osd0
[ceph_deploy.osd][DEBUG ] will use init type: sysvinit
[blade7][INFO  ] Running command: sudo ceph-disk -v activate --mark-init sysvinit --mount /var/local/osd0
[blade7][DEBUG ] === osd.0 ===
[blade7][DEBUG ] Starting Ceph osd.0 on blade7...already running
[blade7][WARNIN] DEBUG:ceph-disk:Cluster uuid is 987b3c40-fac6-4cc0-812a-14f950f4dfd7
[blade7][WARNIN] INFO:ceph-disk:Running command: /usr/bin/ceph-osd --cluster=ceph --show-config-value=fsid
[blade7][WARNIN] DEBUG:ceph-disk:Cluster name is ceph
[blade7][WARNIN] DEBUG:ceph-disk:OSD uuid is ed3bbc9f-dba4-4c67-aa1c-e756722e946c
[blade7][WARNIN] DEBUG:ceph-disk:OSD id is 0
[blade7][WARNIN] DEBUG:ceph-disk:Marking with init system sysvinit
[blade7][WARNIN] DEBUG:ceph-disk:ceph osd.0 data dir is ready at /var/local/osd0
[blade7][WARNIN] DEBUG:ceph-disk:Starting ceph osd.0...
[blade7][WARNIN] INFO:ceph-disk:Running command: /usr/sbin/service ceph start osd.0
[blade7][INFO  ] checking OSD status...
[blade7][INFO  ] Running command: sudo ceph --cluster=ceph osd stat --format=json
[blade7][WARNIN] there is 1 OSD down
[blade7][WARNIN] there is 1 OSD out
[blade8][DEBUG ] connected to host: blade8
[blade8][DEBUG ] detect platform information from remote host
[blade8][DEBUG ] detect machine type
[ceph_deploy.osd][INFO  ] Distro info: debian 7.0 wheezy
[ceph_deploy.osd][DEBUG ] activating host blade8 disk /var/local/osd1
[ceph_deploy.osd][DEBUG ] will use init type: sysvinit
[blade8][INFO  ] Running command: sudo ceph-disk -v activate --mark-init sysvinit --mount /var/local/osd1
[blade8][WARNIN] DEBUG:ceph-disk:Cluster uuid is 987b3c40-fac6-4cc0-812a-14f950f4dfd7
[blade8][WARNIN] INFO:ceph-disk:Running command: /usr/bin/ceph-osd --cluster=ceph --show-config-value=fsid
[blade8][WARNIN] DEBUG:ceph-disk:Cluster name is ceph
[blade8][WARNIN] DEBUG:ceph-disk:OSD uuid is cdb06ab0-25f8-4992-97e3-aa76aa096d23
[blade8][WARNIN] DEBUG:ceph-disk:OSD id is 1
[blade8][WARNIN] DEBUG:ceph-disk:Marking with init system sysvinit
[blade8][WARNIN] DEBUG:ceph-disk:ceph osd.1 data dir is ready at /var/local/osd1
[blade8][WARNIN] Traceback (most recent call last):
[blade8][WARNIN]   File "/usr/sbin/ceph-disk", line 2591, in <module>
[blade8][WARNIN]     main()
[blade8][WARNIN]   File "/usr/sbin/ceph-disk", line 2569, in main
[blade8][WARNIN]     args.func(args)
[blade8][WARNIN]   File "/usr/sbin/ceph-disk", line 1929, in main_activate
[blade8][WARNIN]     init=args.mark_init,
[blade8][WARNIN]   File "/usr/sbin/ceph-disk", line 1771, in activate_dir
[blade8][WARNIN]     old = os.readlink(canonical)
[blade8][WARNIN] OSError: [Errno 22] Invalid argument: '/var/lib/ceph/osd/ceph-1'
[blade8][ERROR ] RuntimeError: command returned non-zero exit status: 1
[ceph_deploy][ERROR ] RuntimeError: Failed to execute command: ceph-disk -v activate --mark-init sysvinit --mount /var/local/osd1