Ceph

Bug #2822

Updated by Sage Weil almost 12 years ago

It's not okay to mutate data *and* return data, because when resending the operation (e.g., due to a connection fault, crush mapping change, whatever) we may get the a 0 success ("already did this op") but no data. 

 <pre> 

 2012-07-22T21:40:59.821 DEBUG:teuthology.orchestra.run:Running: 'LD_LIBRARY_PATH=/tmp/cephtest/binary/usr/local/lib /tmp/cephtest/enable-coredump /tmp/cephtest/binary/usr/local/bin/ceph-coverage /tmp/cephtest/archive/coverage /tmp/cephtest/binary/usr/local/bin/rbd -c /tmp/cephtest/ceph.conf -p rbd create -s 10240 client.0.0' 
 2012-07-22T21:41:00.000 INFO:teuthology.orchestra.run.err:2012-07-22 21:40:59.990425 7ffe3c27b700    0 -- 10.214.132.30:0/1012854 >> 10.214.132.29:6800/29918 pipe(0x7ffe280055a0 sd=9 pgs=8 cs=1 l=1).injecting socket failure 
 2012-07-22T21:41:00.174 INFO:teuthology.orchestra.run.err:create error: (74) Bad message 
 2012-07-22T21:41:00.174 INFO:teuthology.orchestra.run.err:2012-07-22 21:41:00.164788 7ffe427f2780 -1 librbd: failed to assign a block name for image 
 2012-07-22T21:41:00.190 ERROR:teuthology.contextutil:Saw exception from nested tasks 
 Traceback (most recent call last): 
   File "/var/lib/teuthworker/teuthology/teuthology/contextutil.py", line 25, in nested 
     vars.append(enter()) 
   File "/usr/lib/python2.6/contextlib.py", line 16, in __enter__ 
     return self.gen.next() 
   File "/var/lib/teuthworker/teuthology/teuthology/task/rbd.py", line 57, in create_image 
     name, 
   File "/var/lib/teuthworker/teuthology/teuthology/orchestra/remote.py", line 40, in run 
     r = self._runner(client=self.ssh, **kwargs) 
   File "/var/lib/teuthworker/teuthology/teuthology/orchestra/run.py", line 257, in run 
     r.exitstatus = _check_status(r.exitstatus) 
   File "/var/lib/teuthworker/teuthology/teuthology/orchestra/run.py", line 253, in _check_status 
     raise CommandFailedError(command=r.command, exitstatus=status) 



 ubuntu@teuthology:/a/sage-2012-07-22_21:26:14-regression-wip-msgr-testing-basic/16171$ cat config.yaml  
 kernel: &id001 
   kdb: true 
   sha1: 77dca1ac33894de22b1740bb9cf6b8ef6429c700 
 nuke-on-error: true 
 overrides: 
   ceph: 
     conf: 
       global: 
         ms inject socket failures: 200 
     fs: btrfs 
     log-whitelist: 
     - slow request 
     sha1: 6eed7678bfad69cda7ff405697ee3c1436cdb5e6 
   workunit: 
     sha1: 6eed7678bfad69cda7ff405697ee3c1436cdb5e6 
 roles: 
 - - mon.a 
   - mon.c 
   - osd.0 
   - osd.1 
   - osd.2 
 - - mon.b 
   - mds.a 
   - osd.3 
   - osd.4 
   - osd.5 
 - - client.0 
 targets: 
   ubuntu@plana48.front.sepia.ceph.com: ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDsCaLzaU8wDT1/BiLAHUmUtQvqFARiOA7nnPsNXdBU9wHc/UasC7sVih6CmOqRjBkBxdcVJMTbBgxJyPYC58CGDv4stD3Puhtv3rq+FXDUkGC4rL7LkwnDuaMLdozD23qeXxb6OwBTnR7pw7laaXlmDLmQ7OR8/zwBhi4/RlGwioH4mBQQclRPPJCoRuYiaIVUBwetPhfdbFAcRDF45BX0F1g+0Zn9RIl507/5b++9J/7d51RwJt69AX/iacMKEf24XgY9me1ydS69dOxZ7yQfPrrLsMH4ehleURSkBnpU5BuSWfhx4aKylth0rFSe7lVaarxiI0Dq/c0nMeBGiclj 
   ubuntu@plana49.front.sepia.ceph.com: ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCsodFx35LkTvKGlOrQT7Zt/AuvpUOoNz4sM8ovIxIjn/AJliZfup2KAhO/VRUpcndtJMy0eAp/v6wMy9bP0tqTNbeZ3q+zzzLuwnoCOQ0relggohTE7lzLDVLb/MHCQlxpLifwUrwQpVdiUfJ2B5mcGyMr2Lku4TcC3BrgPKuaXLkGHZl0aaShLfr6PbTvDjqI+IDT4E4iKd65KhzLuzDqAIwuZyoifiG+5KYYsoIZmCHidTZYHdf6utnBzP9jTQHroZR5kE/qbVnoL1tT9vvXWLcG7y2PB3UMmIOJmRXlys2/My5iRSC+1Wd9nBxcwE3BgWHknGQhrwkMl0uC+vH3 
   ubuntu@plana50.front.sepia.ceph.com: ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQDVJ+lkgUdkr27WFzrmwSQU22m+pFIiqzhfcO4Hinu8A8uyP4FIephrEcq4Rrt4hp14Syb1pxXisV6UKwAZKikDoD1Wl0LSro4TzOs6HuMEhfvzdnISvyzE3f2w0cj1zE61rHFYfPNF14b9fkE3wBf2Vb4i6ReaN2/Yd12J/xO52tJH1lPxgsFoAIRMjdQMbfVwPU6kK9SY4ngt9iLjge6gZ0O9Jwe2vrgD6+LNoMY9qvNjgRvQdCTi85OQwitU0ZMZdGC0cQ/oNbKd+yW92rW9Wu6dcyKSisesRcm7lbtS6X2uUup+u3vWze7coT+Py3TdNW6nGpIg4muyvqHfSinz 
 task: 
 - ceph: 
     conf: 
       client: 
         rbd cache: false 
 tasks: 
 - internal.lock_machines: 3 
 - internal.save_config: null 
 - internal.check_lock: null 
 - internal.connect: null 
 - internal.check_conflict: null 
 - kernel: *id001 
 - internal.base: null 
 - internal.archive: null 
 - internal.coredump: null 
 - internal.syslog: null 
 - internal.timer: null 
 - chef: null 
 - clock: null 
 - ceph: null 
 - qemu: 
     all: 
       test: https://raw.github.com/ceph/ceph/master/qa/workunits/suites/bonnie.sh 
 </pre>

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