Hi Everyone,
I have an MDS server that's crashing moments after it starts. The
filesystem is set to max_mds=5 and mds.[1-4] are all up and active but
mds.0 keeps crashing. all I can see is the following in the
/var/log/ceph/ceph-mds..... logfile. Any thoughts?
-2> 2022-06-08 10:02:59.408 7fc0a479d700 4 mds.0.server
handle_client_request client_request(client.162790796:2313708455 create
#0x500012ba51c/0192.jpg 2022-06-08 09:06:03.780237 RETRY=19
caller_uid=10363898, caller_gid=10363898{10363898,}) v4
-1> 2022-06-08 10:02:59.410 7fc0a479d700 -1
/home/jenkins-build/build/workspace/ceph-build/ARCH/x86_64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos7/DIST/centos7/MACHINE_SIZE/gigantic/release/14.2.9/rpm/el7/BUILD/ceph-14.2.9/src/mds/MDCache.cc:
In function 'void MDCache::add_inode(CInode*)' thread 7fc0a479d700 time
2022-06-08 10:02:59.409711
/home/jenkins-build/build/workspace/ceph-build/ARCH/x86_64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos7/DIST/centos7/MACHINE_SIZE/gigantic/release/14.2.9/rpm/el7/BUILD/ceph-14.2.9/src/mds/MDCache.cc:
279: FAILED ceph_assert(!p)
ceph version 14.2.9 (581f22da52345dba46ee232b73b990f06029a2a0)
nautilus (stable)
1: (ceph::__ceph_assert_fail(char const*, char const*, int, char
const*)+0x14a) [0x7fc0b2cbb875]
2: (()+0x253a3d) [0x7fc0b2cbba3d]
3: (()+0x20f84e) [0x56386170d84e]
4: (Server::prepare_new_inode(boost::intrusive_ptr<MDRequestImpl>&,
CDir*, inodeno_t, unsigned int, file_layout_t*)+0x4ad) [0x5638616a0f1d]
5:
(Server::handle_client_openc(boost::intrusive_ptr<MDRequestImpl>&)+0xcf1)
[0x5638616b0a91]
6:
(Server::dispatch_client_request(boost::intrusive_ptr<MDRequestImpl>&)+0xb5b)
[0x5638616d78fb]
7: (Server::handle_client_request(boost::intrusive_ptr<MClientRequest
const> const&)+0x2f8) [0x5638616d7d78]
8: (Server::dispatch(boost::intrusive_ptr<Message const>
const&)+0x122) [0x5638616e3722]
9: (MDSRank::handle_deferrable_message(boost::intrusive_ptr<Message
const> const&)+0x6dc) [0x5638616585ec]
10: (MDSRank::_dispatch(boost::intrusive_ptr<Message const> const&,
bool)+0x7ea) [0x56386165aa4a]
11: (MDSRank::retry_dispatch(boost::intrusive_ptr<Message const>
const&)+0x12) [0x56386165af72]
12: (MDSContext::complete(int)+0x74) [0x5638618c9ce4]
13: (MDSRank::_advance_queues()+0xa4) [0x563861659ac4]
14: (MDSRank::_dispatch(boost::intrusive_ptr<Message const> const&,
bool)+0x1d0) [0x56386165a430]
15: (MDSRank::retry_dispatch(boost::intrusive_ptr<Message const>
const&)+0x12) [0x56386165af72]
16: (MDSContext::complete(int)+0x74) [0x5638618c9ce4]
17: (MDSRank::_advance_queues()+0xa4) [0x563861659ac4]
18: (MDSRank::ProgressThread::entry()+0x3d) [0x56386165a13d]
19: (()+0x7ea5) [0x7fc0b0b7aea5]
20: (clone()+0x6d) [0x7fc0af8288dd]
0> 2022-06-08 10:02:59.413 7fc0a479d700 -1 *** Caught signal
(Aborted) **
in thread 7fc0a479d700 thread_name:mds_rank_progr
ceph version 14.2.9 (581f22da52345dba46ee232b73b990f06029a2a0)
nautilus (stable)
1: (()+0xf630) [0x7fc0b0b82630]
2: (gsignal()+0x37) [0x7fc0af760387]
3: (abort()+0x148) [0x7fc0af761a78]
4: (ceph::__ceph_assert_fail(char const*, char const*, int, char
const*)+0x199) [0x7fc0b2cbb8c4]
5: (()+0x253a3d) [0x7fc0b2cbba3d]
6: (()+0x20f84e) [0x56386170d84e]
7: (Server::prepare_new_inode(boost::intrusive_ptr<MDRequestImpl>&,
CDir*, inodeno_t, unsigned int, file_layout_t*)+0x4ad) [0x5638616a0f1d]
8:
(Server::handle_client_openc(boost::intrusive_ptr<MDRequestImpl>&)+0xcf1)
[0x5638616b0a91]
9:
(Server::dispatch_client_request(boost::intrusive_ptr<MDRequestImpl>&)+0xb5b)
[0x5638616d78fb]
10: (Server::handle_client_request(boost::intrusive_ptr<MClientRequest
const> const&)+0x2f8) [0x5638616d7d78]
11: (Server::dispatch(boost::intrusive_ptr<Message const>
const&)+0x122) [0x5638616e3722]
12: (MDSRank::handle_deferrable_message(boost::intrusive_ptr<Message
const> const&)+0x6dc) [0x5638616585ec]
13: (MDSRank::_dispatch(boost::intrusive_ptr<Message const> const&,
bool)+0x7ea) [0x56386165aa4a]
14: (MDSRank::retry_dispatch(boost::intrusive_ptr<Message const>
const&)+0x12) [0x56386165af72]
15: (MDSContext::complete(int)+0x74) [0x5638618c9ce4]
16: (MDSRank::_advance_queues()+0xa4) [0x563861659ac4]
17: (MDSRank::_dispatch(boost::intrusive_ptr<Message const> const&,
bool)+0x1d0) [0x56386165a430]
18: (MDSRank::retry_dispatch(boost::intrusive_ptr<Message const>
const&)+0x12) [0x56386165af72]
19: (MDSContext::complete(int)+0x74) [0x5638618c9ce4]
20: (MDSRank::_advance_queues()+0xa4) [0x563861659ac4]
21: (MDSRank::ProgressThread::entry()+0x3d) [0x56386165a13d]
22: (()+0x7ea5) [0x7fc0b0b7aea5]
23: (clone()+0x6d) [0x7fc0af8288dd]
NOTE: a copy of the executable, or `objdump -rdS <executable>` is
needed to interpret this.
<snip>
Thanks
-Dave
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