Ceph » CephFS

after replay we get

2013-07-17 21:50:59.701234 7f39a5eb1700  1 mds.0.2 rejoin_done
2013-07-17 21:50:59.701236 7f39a5eb1700 10 mds.0.cache show_subtrees - no subtrees
2013-07-17 21:50:59.701239 7f39a5eb1700  7 mds.0.cache show_cache
2013-07-17 21:50:59.701241 7f39a5eb1700  7 mds.0.cache  unlinked [inode 1 [...2,head] / auth v1 snaprealm=0x1b39900 f(v0 1=0+1) n(v0 1=0+1) (iversion lock) 0x1b48860]
2013-07-17 21:50:59.701248 7f39a5eb1700  7 mds.0.cache  unlinked [inode 100 [...2,head] ~mds0/ auth v1 snaprealm=0x1b39480 f(v0 11=1+10) n(v0 11=1+10) (iversion lock) 0x1b48000]
2013-07-17 21:50:59.701254 7f39a5eb1700  1 mds.0.2  empty cache, no subtrees, leaving cluster
2013-07-17 21:50:59.701256 7f39a5eb1700  3 mds.0.2 request_state down:stopped

full logs for original and takeover mds attached

job was

ubuntu@teuthology:/a/teuthology-2013-07-17_20:00:59-fs-cuttlefish-testing-basic/71119$ cat orig.config.yaml 
kernel:
  kdb: true
  sha1: 77c8bf2f972a9d6ff446c49a41678bf931bbee44
machine_type: plana
nuke-on-error: true
overrides:
  admin_socket:
    branch: cuttlefish
  ceph:
    conf:
      client:
        debug client: 10
      mds:
        debug mds: 20
        debug ms: 1
      mon:
        debug mon: 20
        debug ms: 20
        debug paxos: 20
      osd:
        osd op thread timeout: 60
    fs: btrfs
    log-whitelist:
    - slow request
    - wrongly marked me down
    sha1: 39bffac6b6c898882d03de392f7f2218933d942b
  ceph-deploy:
    conf:
      client:
        debug monc: 20
        debug ms: 1
        debug objecter: 20
        debug rados: 20
        log file: /var/log/ceph/ceph-..log
      mon:
        debug mon: 20
        debug ms: 20
        debug paxos: 20
  install:
    ceph:
      sha1: 39bffac6b6c898882d03de392f7f2218933d942b
  s3tests:
    branch: cuttlefish
  workunit:
    sha1: 39bffac6b6c898882d03de392f7f2218933d942b
roles:
- - mon.a
  - mon.c
  - osd.0
  - osd.1
  - osd.2
- - mon.b
  - mds.a
  - osd.3
  - osd.4
  - osd.5
- - client.0
  - mds.b-s-a
tasks:
- chef: null
- clock.check: null
- install: null
- ceph: null
- mds_thrash: null
- ceph-fuse: null
- workunit:
    clients:
      all:
      - suites/pjd.sh