Hi,
Based on doc, Ceph prevents you from writing to a full OSD so that you don’t lose data.
In my case, with v16.2.10, OSD crashed when it's full. Is this expected or some bug?
I'd expect write failure instead of OSD crash. It keeps crashing when tried to bring it up.
Is there any way to bring it back?
-7> 2022-10-31T22:52:57.426+0000 7fe37fd94200 4 rocksdb: EVENT_LOG_v1 {"time_micros": 1667256777427646, "job": 1, "event": "recovery_started", "log_files": [23300]}
-6> 2022-10-31T22:52:57.426+0000 7fe37fd94200 4 rocksdb: [db_impl/db_impl_open.cc:760] Recovering log #23300 mode 2
-5> 2022-10-31T22:52:57.529+0000 7fe37fd94200 3 rocksdb: [le/block_based/filter_policy.cc:584] Using legacy Bloom filter with high (20) bits/key. Dramatic filter space and/or accuracy improvement is available with format_version>=5.
-4> 2022-10-31T22:52:57.592+0000 7fe37fd94200 1 bluefs _allocate unable to allocate 0x90000 on bdev 1, allocator name block, allocator type hybrid, capacity 0x6fc8400000, block size 0x1000, free 0x57acbc000, fragmentation 0.359784, allocated 0x0
-3> 2022-10-31T22:52:57.592+0000 7fe37fd94200 -1 bluefs _allocate allocation failed, needed 0x8064a
-2> 2022-10-31T22:52:57.592+0000 7fe37fd94200 -1 bluefs _flush_range allocated: 0x0 offset: 0x0 length: 0x8064a
-1> 2022-10-31T22:52:57.604+0000 7fe37fd94200 -1 /home/jenkins-build/build/workspace/ceph-build/ARCH/x86_64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos8/DIST/centos8/MACHINE_SIZE/gigantic/release/16.2.10/rpm/el8/BUILD/ceph-16.2.10/src/os/bluestore/BlueFS.cc: In function 'int BlueFS::_flush_range(BlueFS::FileWriter*, uint64_t, uint64_t)' thread 7fe37fd94200 time 2022-10-31T22:52:57.593873+0000
/home/jenkins-build/build/workspace/ceph-build/ARCH/x86_64/AVAILABLE_ARCH/x86_64/AVAILABLE_DIST/centos8/DIST/centos8/MACHINE_SIZE/gigantic/release/16.2.10/rpm/el8/BUILD/ceph-16.2.10/src/os/bluestore/BlueFS.cc: 2768: ceph_abort_msg("bluefs enospc")
ceph version 16.2.10 (45fa1a083152e41a408d15505f594ec5f1b4fe17) pacific (stable)
1: (ceph::__ceph_abort(char const*, int, char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)+0xe5) [0x55858d7e2e7c]
2: (BlueFS::_flush_range(BlueFS::FileWriter*, unsigned long, unsigned long)+0x1131) [0x55858dee8cc1]
3: (BlueFS::_flush(BlueFS::FileWriter*, bool, bool*)+0x90) [0x55858dee8fa0]
4: (BlueFS::_flush(BlueFS::FileWriter*, bool, std::unique_lock<std::mutex>&)+0x32) [0x55858defa0b2]
5: (BlueRocksWritableFile::Append(rocksdb::Slice const&)+0x11b) [0x55858df129eb]
6: (rocksdb::LegacyWritableFileWrapper::Append(rocksdb::Slice const&, rocksdb::IOOptions const&, rocksdb::IODebugContext*)+0x1f) [0x55858e3ae55f]
7: (rocksdb::WritableFileWriter::WriteBuffered(char const*, unsigned long)+0x58a) [0x55858e4c02aa]
8: (rocksdb::WritableFileWriter::Append(rocksdb::Slice const&)+0x2d0) [0x55858e4c1700]
9: (rocksdb::BlockBasedTableBuilder::WriteRawBlock(rocksdb::Slice const&, rocksdb::CompressionType, rocksdb::BlockHandle*, bool)+0xb6) [0x55858e5dce86]
10: (rocksdb::BlockBasedTableBuilder::WriteBlock(rocksdb::Slice const&, rocksdb::BlockHandle*, bool)+0x26c) [0x55858e5dd7cc]
11: (rocksdb::BlockBasedTableBuilder::WriteBlock(rocksdb::BlockBuilder*, rocksdb::BlockHandle*, bool)+0x3c) [0x55858e5ddecc]
12: (rocksdb::BlockBasedTableBuilder::Flush()+0x6d) [0x55858e5ddf5d]
13: (rocksdb::BlockBasedTableBuilder::Add(rocksdb::Slice const&, rocksdb::Slice const&)+0x2b8) [0x55858e5e13c8]
14: (rocksdb::BuildTable(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, rocksdb::Env*, rocksdb::FileSystem*, rocksdb::ImmutableCFOptions const&, rocksdb::MutableCFOptions const&, rocksdb::FileOptions const&, rocksdb::TableCache*, rocksdb::InternalIteratorBase<rocksdb::Slice>*, std::vector<std::unique_ptr<rocksdb::FragmentedRangeTombstoneIterator, std::default_delete<rocksdb::FragmentedRangeTombstoneIterator> >, std::allocator<std::unique_ptr<rocksdb::FragmentedRangeTombstoneIterator, std::default_delete<rocksdb::FragmentedRangeTombstoneIterator> > > >, rocksdb::FileMetaData*, rocksdb::InternalKeyComparator const&, std::vector<std::unique_ptr<rocksdb::IntTblPropCollectorFactory, std::default_delete<rocksdb::IntTblPropCollectorFactory> >, std::allocator<std::unique_ptr<rocksdb::IntTblPropCollectorFactory, std::default_delete<rocksdb::IntTblPropCollectorFactory> > > > const*, unsigned int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<unsigned long, std::allocator<unsigned long> >, unsigned long, rocksdb::SnapshotChecker*, rocksdb::CompressionType, unsigned long, rocksdb::CompressionOptions const&, bool, rocksdb::InternalStats*, rocksdb::TableFileCreationReason, rocksdb::EventLogger*, int, rocksdb::Env::IOPriority, rocksdb::TableProperties*, int, unsigned long, unsigned long, rocksdb::Env::WriteLifeTimeHint, unsigned long)+0xa45) [0x55858e58be45]
15: (rocksdb::DBImpl::WriteLevel0TableForRecovery(int, rocksdb::ColumnFamilyData*, rocksdb::MemTable*, rocksdb::VersionEdit*)+0xcf5) [0x55858e3f0ea5]
16: (rocksdb::DBImpl::RecoverLogFiles(std::vector<unsigned long, std::allocator<unsigned long> > const&, unsigned long*, bool, bool*)+0x1c2e) [0x55858e3f35de]
17: (rocksdb::DBImpl::Recover(std::vector<rocksdb::ColumnFamilyDescriptor, std::allocator<rocksdb::ColumnFamilyDescriptor> > const&, bool, bool, bool, unsigned long*)+0xae8) [0x55858e3f4938]
18: (rocksdb::DBImpl::Open(rocksdb::DBOptions const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<rocksdb::ColumnFamilyDescriptor, std::allocator<rocksdb::ColumnFamilyDescriptor> > const&, std::vector<rocksdb::ColumnFamilyHandle*, std::allocator<rocksdb::ColumnFamilyHandle*> >*, rocksdb::DB**, bool, bool)+0x59d) [0x55858e3ee65d]
19: (rocksdb::DB::Open(rocksdb::DBOptions const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<rocksdb::ColumnFamilyDescriptor, std::allocator<rocksdb::ColumnFamilyDescriptor> > const&, std::vector<rocksdb::ColumnFamilyHandle*, std::allocator<rocksdb::ColumnFamilyHandle*> >*, rocksdb::DB**)+0x15) [0x55858e3ef9f5]
20: (RocksDBStore::do_open(std::ostream&, bool, bool, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)+0x10c1) [0x55858e367601]
21: (BlueStore::_open_db(bool, bool, bool)+0x8c7) [0x55858ddde857]
22: (BlueStore::_open_db_and_around(bool, bool)+0x2f7) [0x55858de4c8f7]
23: (BlueStore::_mount()+0x204) [0x55858de4f7b4]
24: (OSD::init()+0x380) [0x55858d91d1d0]
25: main()
26: __libc_start_main()
27: _start()
0> 2022-10-31T22:52:57.617+0000 7fe37fd94200 -1 *** Caught signal (Aborted) **
in thread 7fe37fd94200 thread_name:ceph-osd
ceph version 16.2.10 (45fa1a083152e41a408d15505f594ec5f1b4fe17) pacific (stable)
1: /lib64/libpthread.so.0(+0x12cf0) [0x7fe37dd33cf0]
2: gsignal()
3: abort()
4: (ceph::__ceph_abort(char const*, int, char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)+0x1b6) [0x55858d7e2f4d]
5: (BlueFS::_flush_range(BlueFS::FileWriter*, unsigned long, unsigned long)+0x1131) [0x55858dee8cc1]
6: (BlueFS::_flush(BlueFS::FileWriter*, bool, bool*)+0x90) [0x55858dee8fa0]
7: (BlueFS::_flush(BlueFS::FileWriter*, bool, std::unique_lock<std::mutex>&)+0x32) [0x55858defa0b2]
8: (BlueRocksWritableFile::Append(rocksdb::Slice const&)+0x11b) [0x55858df129eb]
9: (rocksdb::LegacyWritableFileWrapper::Append(rocksdb::Slice const&, rocksdb::IOOptions const&, rocksdb::IODebugContext*)+0x1f) [0x55858e3ae55f]
10: (rocksdb::WritableFileWriter::WriteBuffered(char const*, unsigned long)+0x58a) [0x55858e4c02aa]
11: (rocksdb::WritableFileWriter::Append(rocksdb::Slice const&)+0x2d0) [0x55858e4c1700]
12: (rocksdb::BlockBasedTableBuilder::WriteRawBlock(rocksdb::Slice const&, rocksdb::CompressionType, rocksdb::BlockHandle*, bool)+0xb6) [0x55858e5dce86]
13: (rocksdb::BlockBasedTableBuilder::WriteBlock(rocksdb::Slice const&, rocksdb::BlockHandle*, bool)+0x26c) [0x55858e5dd7cc]
14: (rocksdb::BlockBasedTableBuilder::WriteBlock(rocksdb::BlockBuilder*, rocksdb::BlockHandle*, bool)+0x3c) [0x55858e5ddecc]
15: (rocksdb::BlockBasedTableBuilder::Flush()+0x6d) [0x55858e5ddf5d]
16: (rocksdb::BlockBasedTableBuilder::Add(rocksdb::Slice const&, rocksdb::Slice const&)+0x2b8) [0x55858e5e13c8]
17: (rocksdb::BuildTable(std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, rocksdb::Env*, rocksdb::FileSystem*, rocksdb::ImmutableCFOptions const&, rocksdb::MutableCFOptions const&, rocksdb::FileOptions const&, rocksdb::TableCache*, rocksdb::InternalIteratorBase<rocksdb::Slice>*, std::vector<std::unique_ptr<rocksdb::FragmentedRangeTombstoneIterator, std::default_delete<rocksdb::FragmentedRangeTombstoneIterator> >, std::allocator<std::unique_ptr<rocksdb::FragmentedRangeTombstoneIterator, std::default_delete<rocksdb::FragmentedRangeTombstoneIterator> > > >, rocksdb::FileMetaData*, rocksdb::InternalKeyComparator const&, std::vector<std::unique_ptr<rocksdb::IntTblPropCollectorFactory, std::default_delete<rocksdb::IntTblPropCollectorFactory> >, std::allocator<std::unique_ptr<rocksdb::IntTblPropCollectorFactory, std::default_delete<rocksdb::IntTblPropCollectorFactory> > > > const*, unsigned int, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<unsigned long, std::allocator<unsigned long> >, unsigned long, rocksdb::SnapshotChecker*, rocksdb::CompressionType, unsigned long, rocksdb::CompressionOptions const&, bool, rocksdb::InternalStats*, rocksdb::TableFileCreationReason, rocksdb::EventLogger*, int, rocksdb::Env::IOPriority, rocksdb::TableProperties*, int, unsigned long, unsigned long, rocksdb::Env::WriteLifeTimeHint, unsigned long)+0xa45) [0x55858e58be45]
18: (rocksdb::DBImpl::WriteLevel0TableForRecovery(int, rocksdb::ColumnFamilyData*, rocksdb::MemTable*, rocksdb::VersionEdit*)+0xcf5) [0x55858e3f0ea5]
19: (rocksdb::DBImpl::RecoverLogFiles(std::vector<unsigned long, std::allocator<unsigned long> > const&, unsigned long*, bool, bool*)+0x1c2e) [0x55858e3f35de]
20: (rocksdb::DBImpl::Recover(std::vector<rocksdb::ColumnFamilyDescriptor, std::allocator<rocksdb::ColumnFamilyDescriptor> > const&, bool, bool, bool, unsigned long*)+0xae8) [0x55858e3f4938]
21: (rocksdb::DBImpl::Open(rocksdb::DBOptions const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<rocksdb::ColumnFamilyDescriptor, std::allocator<rocksdb::ColumnFamilyDescriptor> > const&, std::vector<rocksdb::ColumnFamilyHandle*, std::allocator<rocksdb::ColumnFamilyHandle*> >*, rocksdb::DB**, bool, bool)+0x59d) [0x55858e3ee65d]
22: (rocksdb::DB::Open(rocksdb::DBOptions const&, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&, std::vector<rocksdb::ColumnFamilyDescriptor, std::allocator<rocksdb::ColumnFamilyDescriptor> > const&, std::vector<rocksdb::ColumnFamilyHandle*, std::allocator<rocksdb::ColumnFamilyHandle*> >*, rocksdb::DB**)+0x15) [0x55858e3ef9f5]
23: (RocksDBStore::do_open(std::ostream&, bool, bool, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)+0x10c1) [0x55858e367601]
24: (BlueStore::_open_db(bool, bool, bool)+0x8c7) [0x55858ddde857]
25: (BlueStore::_open_db_and_around(bool, bool)+0x2f7) [0x55858de4c8f7]
26: (BlueStore::_mount()+0x204) [0x55858de4f7b4]
27: (OSD::init()+0x380) [0x55858d91d1d0]
28: main()
29: __libc_start_main()
30: _start()
NOTE: a copy of the executable, or `objdump -rdS <executable>` is needed to interpret this.
Thanks!
Tony
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