Ceph

2014-03-06 02:55:55.283863 7eff27ce1700 -1 os/FileStore.cc: In function 'unsigned int FileStore::_do_transaction(ObjectStore::Transaction&, uint64_t, int, ThreadPool::TPHandle*)' thread 7eff27ce1700 time 2014-03-06 02:55:55.282661
os/FileStore.cc: 2538: FAILED assert(0 == "unexpected error")

ceph version 0.77-730-g0f0b869 (0f0b8691b5f1838f858eaa9122419eb7758b90be)
 1: (FileStore::_do_transaction(ObjectStore::Transaction&, unsigned long, int, ThreadPool::TPHandle*)+0xdf4) [0x763514]
 2: (FileStore::_do_transactions(std::list<ObjectStore::Transaction*, std::allocator<ObjectStore::Transaction*> >&, unsigned long, ThreadPool::TPHandle*)+0x74) [0x768274]
 3: (FileStore::_do_op(FileStore::OpSequencer*, ThreadPool::TPHandle&)+0x29a) [0x76852a]
 4: (ThreadPool::worker(ThreadPool::WorkThread*)+0x4e6) [0xa52346]
 5: (ThreadPool::WorkThread::entry()+0x10) [0xa54150]
 6: (()+0x7e9a) [0x7eff32241e9a]
 7: (clone()+0x6d) [0x7eff30a063fd]
 NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.

t.4136.0:3274 2014-03-06 02:55:55.271123
2014-03-06 02:55:55.282525 7eff27ce1700 10 filestore(/var/lib/ceph/osd/ceph-0) _collection_move_rename 4.0s2_head/43441f70/burnupi0838991-175/head//4/365/2 from 4.0s2_head/43441f70/burnupi0838991-175/head//4/18446744073709551615/2 = -17
2014-03-06 02:55:55.282530 7eff27ce1700 0 filestore(/var/lib/ceph/osd/ceph-0) error (17) File exists not handled on operation 38 (29181.0.10, or op 10, counting from 0)
2014-03-06 02:55:55.282530 7eff1db9f700 10 osd.0 pg_epoch: 482 pg[4.3s0( v 482'423 (0'0,482'423] local-les=292 n=12 ec=9 les/c 292/294 291/291/291) [0,5,4] r=0 lpr=291 luod=482'422 crt=285'255 lcod 471'420 mlcod 471'420 active+clean] append_log adding 1 keys
2014-03-06 02:55:55.282539 7eff27ce1700 0 filestore(/var/lib/ceph/osd/ceph-0) unexpected error code
2014-03-06 02:55:55.282563 7eff1db9f700 10 write_log with: dirty_to: 0'0, dirty_from: 4294967295'18446744073709551615, dirty_divergent_priors: 0, writeout_from: 482'423, trimmed:
2014-03-06 02:55:55.282541 7eff27ce1700 0 filestore(/var/lib/ceph/osd/ceph-0) transaction dump: { "ops": [ { "op_num": 0,
"op_name": "omap_setkeys",
"collection": "meta",
"oid": "a468ec03\/snapmapper\/0\/\/-1",
"attr_lens": { "OBJ_.2_0000000000000004.07F14434.104.burnupi0838991-175..": 139}}, { "op_num": 1,
"op_name": "omap_setkeys",
"collection": "meta",
"oid": "a468ec03\/snapmapper\/0\/\/-1",
"attr_lens": { "MAP_00000000000000F6_.2_0000000000000004.07F14434.104.burnupi0838991-175..": 71,
"MAP_00000000000000FA_.2_0000000000000004.07F14434.104.burnupi0838991-175..": 71,
"MAP_00000000000000FD_.2_0000000000000004.07F14434.104.burnupi0838991-175..": 71,
"MAP_00000000000000FE_.2_0000000000000004.07F14434.104.burnupi0838991-175..": 71,
"MAP_0000000000000100_.2_0000000000000004.07F14434.104.burnupi0838991-175..": 71,
"MAP_0000000000000101_.2_0000000000000004.07F14434.104.burnupi0838991-175..": 71,
"MAP_0000000000000102_.2_0000000000000004.07F14434.104.burnupi0838991-175..": 71,
"MAP_0000000000000103_.2_0000000000000004.07F14434.104.burnupi0838991-175..": 71,
"MAP_0000000000000104_.2_0000000000000004.07F14434.104.burnupi0838991-175..": 71}}, { "op_num": 2,
"op_name": "omap_setkeys",
"collection": "meta",
"oid": "39e5de\/pglog_4.0s2\/0\/\/-1",
"attr_lens": { "0000000482.00000000000000000394": 241,
"0000000482.00000000000000000395": 194,
"0000000482.00000000000000000396": 173}}, { "op_num": 3,
"op_name": "collection_setattr",
"collection": "4.0s2_head",
"name": "info",
"length": 1}, { "op_num": 4,
"op_name": "omap_setkeys",
"collection": "meta",
"oid": "16ef7597\/infos\/head\/\/-1",
"attr_lens": { "4.0s2_biginfo": 186,
"4.0s2_epoch": 4,
"4.0s2_info": 674}}, { "op_num": 5,
"op_name": "omap_rmkeys",
"collection": "meta",
"oid": "39e5de\/pglog_4.0s2\/0\/\/-1"}, { "op_num": 6,
"op_name": "omap_setkeys",
"collection": "meta",
"oid": "39e5de\/pglog_4.0s2\/0\/\/-1",
"attr_lens": { "0000000482.00000000000000000394": 241,
"0000000482.00000000000000000395": 194,
"0000000482.00000000000000000396": 173,
"can_rollback_to": 12}}, { "op_num": 7,
"op_name": "clone",
"collection": "4.0s2_head",
"src_oid": "43441f70\/burnupi0838991-175\/head\/\/4\/18446744073709551615\/2",
"dst_oid": "43441f70\/burnupi0838991-175\/104\/\/4\/18446744073709551615\/2"}, { "op_num": 8,
"op_name": "setattrs",
"collection": "4.0s2_head",
"oid": "43441f70\/burnupi0838991-175\/104\/\/4\/18446744073709551615\/2",
"attr_lens": { "_": 286}}, { "op_num": 9,
"op_name": "rmattr",
"collection": "4.0s2_head",
"oid": "43441f70\/burnupi0838991-175\/104\/\/4\/18446744073709551615\/2",
"name": "snapset"}, { "op_num": 10,
"op_name": "unknown",
"op_code": 38}]}
2014-03-06 02:55:55.283005 7eff1db9f700 10 osd.0 pg_epoch: 482 pg[4.3s0(

Appears to have been inconsistent versioning of the stashed object.