Hi all,
we are experiencing the “bluefs enospc bug” again after redeploying all OSDs of our Pacific Cluster.
I know that our cluster is a bit too utilized at the moment with 87.26 % raw usage but still this should not happen afaik.
We never hat this problem with previous ceph versions and right now I am kind of out of ideas at how to tackle these crashes.
Compacting the database did not help in the past either.
Redeploy seems to no help in the long run as well. For documentation I used these commands to redeploy the osds:
systemctl stop ceph-osd@${OSDNUM}
ceph osd destroy --yes-i-really-mean-it ${OSDNUM}
blkdiscard ${DEVICE}
sgdisk -Z ${DEVICE}
dmsetup remove ${DMDEVICE}
ceph-volume lvm create --osd-id ${OSDNUM} --data ${DEVICE}
Any ideas or possible solutions on this? I am not yet ready to upgrade our clusters to quincy, also I do presume that this bug is still present in quincy as well?
Follow our cluster information:
Crash Info:
ceph crash info 2023-06-19T21:23:51.285180Z_ac4105d7-cb09-45c8-a6e3-8a6bb6727b25
{
"assert_condition": "abort",
"assert_file": "/build/ceph/src/os/bluestore/BlueFS.cc",
"assert_func": "int BlueFS::_flush_range(BlueFS::FileWriter*, uint64_t, uint64_t)",
"assert_line": 2810,
"assert_msg": "/build/ceph/src/os/bluestore/BlueFS.cc: In function 'int BlueFS::_flush_range(BlueFS::FileWriter*, uint64_t, uint64_t)' thread 7fd561810100 time 2023-06-19T23:23:51.261617+0200\n/build/ceph/src/os/bluestore/BlueFS.cc: 2810: ceph_abort_msg(\"bluefs enospc\")\n",
"assert_thread_name": "ceph-osd",
"backtrace": [
"/lib/x86_64-linux-gnu/libpthread.so.0(+0x12730) [0x7fd56225f730]",
"gsignal()",
"abort()",
"(ceph::__ceph_abort(char const*, int, char const*, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)+0x1a7) [0x557bb3c65762]",
"(BlueFS::_flush_range(BlueFS::FileWriter*, unsigned long, unsigned long)+0x1175) [0x557bb42e7945]",
"(BlueFS::_flush(BlueFS::FileWriter*, bool, bool*)+0xa1) [0x557bb42e7ad1]",
"(BlueFS::_flush(BlueFS::FileWriter*, bool, std::unique_lock<std::mutex>&)+0x2e) [0x557bb42f803e]",
"(BlueRocksWritableFile::Append(rocksdb::Slice const&)+0x11b) [0x557bb431134b]",
"(rocksdb::LegacyWritableFileWrapper::Append(rocksdb::Slice const&, rocksdb::IOOptions const&, rocksdb::IODebugContext*)+0x44) [0x557bb478e602]",
"(rocksdb::WritableFileWriter::WriteBuffered(char const*, unsigned long)+0x333) [0x557bb4956feb]",
"(rocksdb::WritableFileWriter::Append(rocksdb::Slice const&)+0x5d1) [0x557bb4955569]",
"(rocksdb::BlockBasedTableBuilder::WriteRawBlock(rocksdb::Slice const&, rocksdb::CompressionType, rocksdb::BlockHandle*, bool)+0x11d) [0x557bb4b142e1]",
"(rocksdb::BlockBasedTableBuilder::WriteBlock(rocksdb::Slice const&, rocksdb::BlockHandle*, bool)+0x7d6) [0x557bb4b140ca]",
"(rocksdb::BlockBasedTableBuilder::WriteBlock(rocksdb::BlockBuilder*, rocksdb::BlockHandle*, bool)+0x48) [0x557bb4b138e0]",
"(rocksdb::BlockBasedTableBuilder::Flush()+0x9a) [0x557bb4b13890]",
"(rocksdb::BlockBasedTableBuilder::Add(rocksdb::Slice const&, rocksdb::Slice const&)+0x192) [0x557bb4b133c8]",
"(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)+0x773) [0x557bb4a9aa7d]",
"(rocksdb::DBImpl::WriteLevel0TableForRecovery(int, rocksdb::ColumnFamilyData*, rocksdb::MemTable*, rocksdb::VersionEdit*)+0x5de) [0x557bb4824676]",
"(rocksdb::DBImpl::RecoverLogFiles(std::vector<unsigned long, std::allocator<unsigned long> > const&, unsigned long*, bool, bool*)+0x1aa0) [0x557bb48232d0]",
"(rocksdb::DBImpl::Recover(std::vector<rocksdb::ColumnFamilyDescriptor, std::allocator<rocksdb::ColumnFamilyDescriptor> > const&, bool, bool, bool, unsigned long*)+0x158a) [0x557bb4820846]",
"(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)+0x679) [0x557bb4825b25]",
"(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**)+0x52) [0x557bb4824efa]",
"(RocksDBStore::do_open(std::ostream&, bool, bool, std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> > const&)+0xdaf) [0x557bb473b85f]",
"(BlueStore::_open_db(bool, bool, bool)+0x44b) [0x557bb41ec20b]",
"(BlueStore::_open_db_and_around(bool, bool)+0x2ef) [0x557bb425288f]",
"(BlueStore::_mount()+0x9c) [0x557bb42551ec]",
"(OSD::init()+0x38a) [0x557bb3d568da]",
"main()",
"__libc_start_main()",
"_start()"
],
"ceph_version": "16.2.11",
"crash_id": "2023-06-19T21:23:51.285180Z_ac4105d7-cb09-45c8-a6e3-8a6bb6727b25",
"entity_name": "osd.39",
"os_id": "10",
"os_name": "Debian GNU/Linux 10 (buster)",
"os_version": "10 (buster)",
"os_version_id": "10",
"process_name": "ceph-osd",
"stack_sig": "23f90145bebe39074210d4a79260e8977aec6b1c4d963740d1a04c3ddd4756a4",
"timestamp": "2023-06-19T21:23:51.285180Z",
"utsname_hostname": "cloud5-1567",
"utsname_machine": "x86_64",
"utsname_release": "5.10.144+1-ph",
"utsname_sysname": "Linux",
"utsname_version": "#1 SMP Mon Sep 26 07:02:56 UTC 2022"
}
Utilization:
ceph df
--- RAW STORAGE ---
CLASS SIZE AVAIL USED RAW USED %RAW USED
ssd 168 TiB 21 TiB 146 TiB 146 TiB 87.26
TOTAL 168 TiB 21 TiB 146 TiB 146 TiB 87.26
--- POOLS ---
POOL ID PGS STORED OBJECTS USED %USED MAX AVAIL
device_health_metrics 1 1 4.7 MiB 48 14 MiB 0 2.1 TiB
cephstor5 2 2048 52 TiB 14.27M 146 TiB 95.89 2.1 TiB
cephfs_cephstor5_data 3 32 95 MiB 118.52k 1.4 GiB 0.02 2.1 TiB
cephfs_cephstor5_metadata 4 16 352 MiB 166 1.0 GiB 0.02 2.1 TiB
Versions:
ceph versions
{
"mon": {
"ceph version 16.2.11 (3cf40e2dca667f68c6ce3ff5cd94f01e711af894) pacific (stable)": 3
},
"mgr": {
"ceph version 16.2.11 (3cf40e2dca667f68c6ce3ff5cd94f01e711af894) pacific (stable)": 3
},
"osd": {
"ceph version 16.2.11 (3cf40e2dca667f68c6ce3ff5cd94f01e711af894) pacific (stable)": 48
},
"mds": {
"ceph version 16.2.11 (3cf40e2dca667f68c6ce3ff5cd94f01e711af894) pacific (stable)": 3
},
"overall": {
"ceph version 16.2.11 (3cf40e2dca667f68c6ce3ff5cd94f01e711af894) pacific (stable)": 57
}
}
Kind regards
Carsten Grommel
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