I have rebuilt the tool, but none of my OSDs no matter dead or alive have any
symlinks other than 'block' pointing to LVM.
I adjusted main device size but it looks like it needs even more space for db
compaction. After executing bluefs-bdev-expand OSD fails to start, however
'fsck' and 'repair' commands finished successfully.
2018-10-01 18:02:39.755 7fc9226c6240 1 freelist init
2018-10-01 18:02:39.763 7fc9226c6240 1 bluestore(/var/lib/ceph/osd/ceph-1)
_open_alloc opening allocation metadata
2018-10-01 18:02:40.907 7fc9226c6240 1 bluestore(/var/lib/ceph/osd/ceph-1)
_open_alloc loaded 285 GiB in 2249899 extents
2018-10-01 18:02:40.951 7fc9226c6240 -1 bluestore(/var/lib/ceph/osd/ceph-1)
_reconcile_bluefs_freespace bluefs extra 0x[6d6f000000~50c800000]
2018-10-01 18:02:40.951 7fc9226c6240 1 stupidalloc 0x0x55d053fb9180 shutdown
2018-10-01 18:02:40.963 7fc9226c6240 1 freelist shutdown
2018-10-01 18:02:40.963 7fc9226c6240 4 rocksdb:
[/build/ceph-13.2.2/src/rocksdb/db/db_impl.cc:252] Shutdown: canceling all
background work
2018-10-01 18:02:40.967 7fc9226c6240 4 rocksdb:
[/build/ceph-13.2.2/src/rocksdb/db/db_impl.cc:397] Shutdown complete
2018-10-01 18:02:40.971 7fc9226c6240 1 bluefs umount
2018-10-01 18:02:40.975 7fc9226c6240 1 stupidalloc 0x0x55d053883800 shutdown
2018-10-01 18:02:40.975 7fc9226c6240 1 bdev(0x55d053c32e00
/var/lib/ceph/osd/ceph-1/block) close
2018-10-01 18:02:41.267 7fc9226c6240 1 bdev(0x55d053c32a80
/var/lib/ceph/osd/ceph-1/block) close
2018-10-01 18:02:41.443 7fc9226c6240 -1 osd.1 0 OSD:init: unable to mount
object store
2018-10-01 18:02:41.443 7fc9226c6240 -1 ** ERROR: osd init failed: (5)
Input/output error
> On 1.10.2018, at 18:09, Igor Fedotov <ifedo...@suse.de> wrote:
>
> Well, actually you can avoid bluestore-tool rebuild.
>
> You'll need to edit the first chunk of blocks.db where labels are stored.
> (Please make a backup first!!!)
>
> Size label is stored at offset 0x52 and is 8 bytes long - little-endian 64bit
> integer encoding. (Please verify that old value at this offset exactly
> corresponds to you original volume size and/or 'size' label reported by
> ceph-bluestore-tool).
>
> So you have to put new DB volume size there. Or you can send the first 4K
> chunk (e.g. extracted with dd) along with new DB volume size (in bytes) to me
> and I'll do that for you.
>
>
> Thanks,
>
> Igor
>
>
> On 10/1/2018 5:32 PM, Igor Fedotov wrote:
>>
>>
>> On 10/1/2018 5:03 PM, Sergey Malinin wrote:
>>> Before I received your response, I had already added 20GB to the OSD (by
>>> epanding LV followed by bluefs-bdev-expand) and ran "ceph-kvstore-tool
>>> bluestore-kv <path> compact", however it still needs more space.
>>> Is that because I didn't update DB size with set-label-key?
>> In mimic you need to run both "bluefs-bdev-expand" and "set-label-key"
>> command to commit bluefs volume expansion.
>> Unfortunately the last command doesn't handle "size" label properly. That's
>> why you might need to backport and rebuild with the mentioned commits.
>>
>>> What exactly is the label-key that needs to be updated, as I couldn't find
>>> which one is related to DB:
>>>
>>> # ceph-bluestore-tool show-label --path /var/lib/ceph/osd/ceph-1
>>> inferring bluefs devices from bluestore path
>>> {
>>> "/var/lib/ceph/osd/ceph-1/block": {
>>> "osd_uuid": "f8f122ee-70a6-4c54-8eb0-9b42205b1ecc",
>>> "size": 471305551872,
>>> "btime": "2018-07-31 03:06:43.751243",
>>> "description": "main",
>>> "bluefs": "1",
>>> "ceph_fsid": "7d320499-5b3f-453e-831f-60d4db9a4533",
>>> "kv_backend": "rocksdb",
>>> "magic": "ceph osd volume v026",
>>> "mkfs_done": "yes",
>>> "osd_key": "XXX",
>>> "ready": "ready",
>>> "whoami": "1"
>>> }
>>> }
>> 'size' label but your output is for block(aka slow) device.
>>
>> It should return labels for db/wal devices as well (block.db and block.wal
>> symlinks respectively). It works for me in master, can't verify with mimic
>> at the moment though..
>> Here is output for master:
>>
>> # bin/ceph-bluestore-tool show-label --path dev/osd0
>> inferring bluefs devices from bluestore path
>> {
>> "dev/osd0/block": {
>> "osd_uuid": "404dcbe9-3f8d-4ef5-ac59-2582454a9a75",
>> "size": 21474836480,
>> "btime": "2018-09-10 15:55:09.044039",
>> "description": "main",
>> "bluefs": "1",
>> "ceph_fsid": "56eddc15-11b9-4e0b-9192-e391fbae551c",
>> "kv_backend": "rocksdb",
>> "magic": "ceph osd volume v026",
>> "mkfs_done": "yes",
>> "osd_key": "AQCsaZZbYTxXJBAAe3jJI4p6WbMjvA8CBBUJbA==",
>> "ready": "ready",
>> "whoami": "0"
>> },
>> "dev/osd0/block.wal": {
>> "osd_uuid": "404dcbe9-3f8d-4ef5-ac59-2582454a9a75",
>> "size": 1048576000,
>> "btime": "2018-09-10 15:55:09.044985",
>> "description": "bluefs wal"
>> },
>> "dev/osd0/block.db": {
>> "osd_uuid": "404dcbe9-3f8d-4ef5-ac59-2582454a9a75",
>> "size": 1048576000,
>> "btime": "2018-09-10 15:55:09.044469",
>> "description": "bluefs db"
>> }
>> }
>>
>>
>> You can try --dev option instead of --path, e.g.
>> ceph-bluestore-tool show-label --dev <path-to-block.db>
>>
>>
>>>
>>>> On 1.10.2018, at 16:48, Igor Fedotov <ifedo...@suse.de> wrote:
>>>>
>>>> This looks like a sort of deadlock when BlueFS needs some additional space
>>>> to replay the log left after the crash. Which happens during BlueFS open.
>>>>
>>>> But such a space (at slow device as DB is full) is gifted in background
>>>> during bluefs rebalance procedure which will occur after the open.
>>>>
>>>> Hence OSDs stuck in permanent crashing..
>>>>
>>>> The only way to recover I can suggest for now is to expand DB volumes. You
>>>> can do that with lvm tools if you have any spare space for that.
>>>>
>>>> Once resized you'll need ceph-bluestore-tool to indicate volume expansion
>>>> to BlueFS (bluefs-bdev-expand command ) and finally update DB volume size
>>>> label with set-label-key command.
>>>>
>>>> The latter is a bit tricky for mimic - you might need to backport
>>>> https://github.com/ceph/ceph/pull/22085/commits/ffac450da5d6e09cf14b8363b35f21819b48f38b
>>>>
>>>> and rebuild ceph-bluestore-tool. Alternatively you can backport
>>>> https://github.com/ceph/ceph/pull/22085/commits/71c3b58da4e7ced3422bce2b1da0e3fa9331530b
>>>>
>>>> then bluefs expansion and label updates will occur in a single step.
>>>>
>>>> I'll do these backports in upstream but this will take some time to pass
>>>> all the procedures and get into official mimic release.
>>>>
>>>> Will fire a ticket to fix the original issue as well.
>>>>
>>>>
>>>> Thanks,
>>>>
>>>> Igor
>>>>
>>>>
>>>> On 10/1/2018 3:28 PM, Sergey Malinin wrote:
>>>>> These are LVM bluestore NVMe SSDs created with "ceph-volume --lvm prepare
>>>>> --bluestore /dev/nvme0n1p3" i.e. without specifying wal/db devices.
>>>>> OSDs were created with bluestore_min_alloc_size_ssd=4096, another
>>>>> modified setting is bluestore_cache_kv_max=1073741824
>>>>>
>>>>> DB/block usage collected by prometheus module for 3 failed and 1 survived
>>>>> OSDs:
>>>>>
>>>>> ceph_bluefs_db_total_bytes{ceph_daemon="osd.0"} 65493008384.0
>>>>> ceph_bluefs_db_total_bytes{ceph_daemon="osd.1"} 49013587968.0
>>>>> ceph_bluefs_db_total_bytes{ceph_daemon="osd.2"} 76834406400.0 --> this
>>>>> one has survived
>>>>> ceph_bluefs_db_total_bytes{ceph_daemon="osd.3"} 63726157824.0
>>>>>
>>>>> ceph_bluefs_db_used_bytes{ceph_daemon="osd.0"} 65217232896.0
>>>>> ceph_bluefs_db_used_bytes{ceph_daemon="osd.1"} 48944381952.0
>>>>> ceph_bluefs_db_used_bytes{ceph_daemon="osd.2"} 68093476864.0
>>>>> ceph_bluefs_db_used_bytes{ceph_daemon="osd.3"} 63632834560.0
>>>>>
>>>>> ceph_osd_stat_bytes{ceph_daemon="osd.0"} 471305551872.0
>>>>> ceph_osd_stat_bytes{ceph_daemon="osd.1"} 471305551872.0
>>>>> ceph_osd_stat_bytes{ceph_daemon="osd.2"} 471305551872.0
>>>>> ceph_osd_stat_bytes{ceph_daemon="osd.3"} 471305551872.0
>>>>>
>>>>> ceph_osd_stat_bytes_used{ceph_daemon="osd.0"} 222328213504.0
>>>>> ceph_osd_stat_bytes_used{ceph_daemon="osd.1"} 214472544256.0
>>>>> ceph_osd_stat_bytes_used{ceph_daemon="osd.2"} 163603996672.0
>>>>> ceph_osd_stat_bytes_used{ceph_daemon="osd.3"} 212806815744.0
>>>>>
>>>>>
>>>>> First crashed OSD was doing DB compaction, others crashed shortly after
>>>>> during backfilling. Workload was "ceph-data-scan scan_inodes" filling
>>>>> metadata pool located on these OSDs at the rate close to 10k
>>>>> objects/second.
>>>>> Here is the log excerpt of the first crash occurrence:
>>>>>
>>>>> 2018-10-01 03:27:12.762 7fbf16dd6700 0
>>>>> bluestore(/var/lib/ceph/osd/ceph-1) _balance_bluefs_freespace no allocate
>>>>> on 0x80000000 min_alloc_size 0x1000
>>>>> 2018-10-01 03:27:12.886 7fbf1e5e5700 4 rocksdb:
>>>>> [/build/ceph-13.2.2/src/rocksdb/db/compaction_job.cc:1166] [default] [JOB
>>>>> 24] Generated table #89741: 106356 keys, 68110589 bytes
>>>>> 2018-10-01 03:27:12.886 7fbf1e5e5700 4 rocksdb: EVENT_LOG_v1
>>>>> {"time_micros": 1538353632892744, "cf_name": "default", "job": 24,
>>>>> "event": "table_file_creation", "file_number": 89741, "file_size":
>>>>> 68110589, "table_properties": {"data_size": 67112903, "index_size":
>>>>> 579319, "filter_size": 417316, "raw_key_size": 6733561,
>>>>> "raw_average_key_size": 63, "raw_value_size": 60994583,
>>>>> "raw_average_value_size": 573, "num_data_blocks": 16336, "num_entries":
>>>>> 106356, "filter_policy_name": "rocksdb.BuiltinBloomFilter",
>>>>> "kDeletedKeys": "14444", "kMergeOperands": "0"}}
>>>>> 2018-10-01 03:27:12.934 7fbf1e5e5700 4 rocksdb:
>>>>> [/build/ceph-13.2.2/src/rocksdb/db/compaction_job.cc:1166] [default] [JOB
>>>>> 24] Generated table #89742: 23214 keys, 16352315 bytes
>>>>> 2018-10-01 03:27:12.934 7fbf1e5e5700 4 rocksdb: EVENT_LOG_v1
>>>>> {"time_micros": 1538353632938670, "cf_name": "default", "job": 24,
>>>>> "event": "table_file_creation", "file_number": 89742, "file_size":
>>>>> 16352315, "table_properties": {"data_size": 16116986, "index_size":
>>>>> 139894, "filter_size": 94386, "raw_key_size": 1470883,
>>>>> "raw_average_key_size": 63, "raw_value_size": 14775006,
>>>>> "raw_average_value_size": 636, "num_data_blocks": 3928, "num_entries":
>>>>> 23214, "filter_policy_name": "rocksdb.BuiltinBloomFilter",
>>>>> "kDeletedKeys": "90", "kMergeOperands": "0"}}
>>>>> 2018-10-01 03:27:13.042 7fbf1e5e5700 1 bluefs _allocate failed to
>>>>> allocate 0x4100000 on bdev 1, free 0x1a00000; fallback to bdev 2
>>>>> 2018-10-01 03:27:13.042 7fbf1e5e5700 -1 bluefs _allocate failed to
>>>>> allocate 0x4100000 on bdev 2, dne
>>>>> 2018-10-01 03:27:13.042 7fbf1e5e5700 -1 bluefs _flush_range allocated:
>>>>> 0x0 offset: 0x0 length: 0x40ea9f1
>>>>> 2018-10-01 03:27:13.046 7fbf1e5e5700 -1
>>>>> /build/ceph-13.2.2/src/os/bluestore/BlueFS.cc: In function 'int
>>>>> BlueFS::_flush_range(BlueFS::FileWriter*, uint64_t, uint64_t)' thread
>>>>> 7fbf1e5e5700 time 2018-10-01 03:27:13.048298
>>>>> /build/ceph-13.2.2/src/os/bluestore/BlueFS.cc: 1663: FAILED assert(0 ==
>>>>> "bluefs enospc")
>>>>>
>>>>> ceph version 13.2.2 (02899bfda814146b021136e9d8e80eba494e1126) mimic
>>>>> (stable)
>>>>> 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char
>>>>> const*)+0x102) [0x7fbf2d4fe5c2]
>>>>> 2: (()+0x26c787) [0x7fbf2d4fe787]
>>>>> 3: (BlueFS::_flush_range(BlueFS::FileWriter*, unsigned long, unsigned
>>>>> long)+0x1ab4) [0x5619325114b4]
>>>>> 4: (BlueRocksWritableFile::Flush()+0x3d) [0x561932527c1d]
>>>>> 5: (rocksdb::WritableFileWriter::Flush()+0x1b9) [0x56193271c399]
>>>>> 6: (rocksdb::WritableFileWriter::Sync(bool)+0x3b) [0x56193271d42b]
>>>>> 7: (rocksdb::CompactionJob::FinishCompactionOutputFile(rocksdb::Status
>>>>> const&, rocksdb::CompactionJob::SubcompactionState*,
>>>>> rocksdb::RangeDelAggregator*, CompactionIterationStats*, rocksdb::Slice
>>>>> const*)+0x3db) [0x56193276098b]
>>>>> 8:
>>>>> (rocksdb::CompactionJob::ProcessKeyValueCompaction(rocksdb::CompactionJob::SubcompactionState*)+0x7d9)
>>>>> [0x561932763da9]
>>>>> 9: (rocksdb::CompactionJob::Run()+0x314) [0x561932765504]
>>>>> 10: (rocksdb::DBImpl::BackgroundCompaction(bool*, rocksdb::JobContext*,
>>>>> rocksdb::LogBuffer*, rocksdb::DBImpl::PrepickedCompaction*)+0xc54)
>>>>> [0x5619325b5c44]
>>>>> 11:
>>>>> (rocksdb::DBImpl::BackgroundCallCompaction(rocksdb::DBImpl::PrepickedCompaction*,
>>>>> rocksdb::Env::Priority)+0x397) [0x5619325b8557]
>>>>> 12: (rocksdb::DBImpl::BGWorkCompaction(void*)+0x97) [0x5619325b8cd7]
>>>>> 13: (rocksdb::ThreadPoolImpl::Impl::BGThread(unsigned long)+0x266)
>>>>> [0x5619327a5e36]
>>>>> 14: (rocksdb::ThreadPoolImpl::Impl::BGThreadWrapper(void*)+0x47)
>>>>> [0x5619327a5fb7]
>>>>> 15: (()+0xbe733) [0x7fbf2b500733]
>>>>> 16: (()+0x76db) [0x7fbf2bbf86db]
>>>>> 17: (clone()+0x3f) [0x7fbf2abbc88f]
>>>>> NOTE: a copy of the executable, or `objdump -rdS <executable>` is
>>>>> needed to interpret this.
>>>>>
>>>>>
>>>>>> On 1.10.2018, at 15:01, Igor Fedotov <ifedo...@suse.de> wrote:
>>>>>>
>>>>>> Hi Sergey,
>>>>>>
>>>>>> could you please provide more details on your OSDs ?
>>>>>>
>>>>>> What are sizes for DB/block devices?
>>>>>>
>>>>>> Do you have any modifications in BlueStore config settings?
>>>>>>
>>>>>> Can you share stats you're referring to?
>>>>>>
>>>>>>
>>>>>> Thanks,
>>>>>>
>>>>>> Igor
>>>>>>
>>>>>>
>>>>>> On 10/1/2018 12:29 PM, Sergey Malinin wrote:
>>>>>>> Hello,
>>>>>>> 3 of 4 NVME OSDs crashed at the same time on assert(0 == "bluefs
>>>>>>> enospc") and no longer start.
>>>>>>> Stats collected just before crash show that ceph_bluefs_db_used_bytes
>>>>>>> is 100% used. Although OSDs have over 50% of free space, it is not
>>>>>>> reallocated for DB usage.
>>>>>>>
>>>>>>> 2018-10-01 12:18:06.744 7f1d6a04d240 1 bluefs _allocate failed to
>>>>>>> allocate 0x100000 on bdev 1, free 0x0; fallback to bdev 2
>>>>>>> 2018-10-01 12:18:06.744 7f1d6a04d240 -1 bluefs _allocate failed to
>>>>>>> allocate 0x100000 on bdev 2, dne
>>>>>>> 2018-10-01 12:18:06.744 7f1d6a04d240 -1 bluefs _flush_range allocated:
>>>>>>> 0x0 offset: 0x0 length: 0xa8700
>>>>>>> 2018-10-01 12:18:06.748 7f1d6a04d240 -1
>>>>>>> /build/ceph-13.2.2/src/os/bluestore/BlueFS.cc: In function 'int
>>>>>>> BlueFS::_flush_range(BlueFS::FileWriter*, uint64_t, uint64_t)' thread
>>>>>>> 7f1d6a04d240 time 2018-10-01 12:18:06.746800
>>>>>>> /build/ceph-13.2.2/src/os/bluestore/BlueFS.cc: 1663: FAILED assert(0 ==
>>>>>>> "bluefs enospc")
>>>>>>>
>>>>>>> ceph version 13.2.2 (02899bfda814146b021136e9d8e80eba494e1126) mimic
>>>>>>> (stable)
>>>>>>> 1: (ceph::__ceph_assert_fail(char const*, char const*, int, char
>>>>>>> const*)+0x102) [0x7f1d6146f5c2]
>>>>>>> 2: (()+0x26c787) [0x7f1d6146f787]
>>>>>>> 3: (BlueFS::_flush_range(BlueFS::FileWriter*, unsigned long, unsigned
>>>>>>> long)+0x1ab4) [0x5586b22684b4]
>>>>>>> 4: (BlueRocksWritableFile::Flush()+0x3d) [0x5586b227ec1d]
>>>>>>> 5: (rocksdb::WritableFileWriter::Flush()+0x1b9) [0x5586b2473399]
>>>>>>> 6: (rocksdb::WritableFileWriter::Sync(bool)+0x3b) [0x5586b247442b]
>>>>>>> 7: (rocksdb::BuildTable(std::__cxx11::basic_string<char,
>>>>>>> std::char_traits<char>, std::allocator<char> > const&, rocksdb::Env*,
>>>>>>> rocksdb::ImmutableCFOptions const&, rocksdb::MutableCFOptions const&,
>>>>>>> rocksdb::EnvOptions const&, rock
>>>>>>> sdb::TableCache*, rocksdb::InternalIterator*,
>>>>>>> std::unique_ptr<rocksdb::InternalIterator,
>>>>>>> std::default_delete<rocksdb::InternalIterator> >,
>>>>>>> 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> > > > co
>>>>>>> nst*, 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::Compression
>>>>>>> Type, rocksdb::CompressionOptions const&, bool,
>>>>>>> rocksdb::InternalStats*, rocksdb::TableFileCreationReason,
>>>>>>> rocksdb::EventLogger*, int, rocksdb::Env::IOPriority,
>>>>>>> rocksdb::TableProperties*, int, unsigned long, unsigned long, rocksdb
>>>>>>> ::Env::WriteLifeTimeHint)+0x1e24) [0x5586b249ef94]
>>>>>>> 8: (rocksdb::DBImpl::WriteLevel0TableForRecovery(int,
>>>>>>> rocksdb::ColumnFamilyData*, rocksdb::MemTable*,
>>>>>>> rocksdb::VersionEdit*)+0xcb7) [0x5586b2321457]
>>>>>>> 9: (rocksdb::DBImpl::RecoverLogFiles(std::vector<unsigned long,
>>>>>>> std::allocator<unsigned long> > const&, unsigned long*, bool)+0x19de)
>>>>>>> [0x5586b232373e]
>>>>>>> 10:
>>>>>>> (rocksdb::DBImpl::Recover(std::vector<rocksdb::ColumnFamilyDescriptor,
>>>>>>> std::allocator<rocksdb::ColumnFamilyDescriptor> > const&, bool, bool,
>>>>>>> bool)+0x5d4) [0x5586b23242f4]
>>>>>>> 11: (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::ColumnFamilyDescri
>>>>>>> ptor> > const&, std::vector<rocksdb::ColumnFamilyHandle*,
>>>>>>> std::allocator<rocksdb::ColumnFamilyHandle*> >*, rocksdb::DB**,
>>>>>>> bool)+0x68b) [0x5586b232559b]
>>>>>>> 12: (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**)+0x22)
>>>>>>>>> [0x5586b2326e72]
>>>>>>> 13: (RocksDBStore::do_open(std::ostream&, bool,
>>>>>>> std::vector<KeyValueDB::ColumnFamily,
>>>>>>> std::allocator<KeyValueDB::ColumnFamily> > const*)+0x170c)
>>>>>>> [0x5586b220219c]
>>>>>>> 14: (BlueStore::_open_db(bool, bool)+0xd8e) [0x5586b218ee1e]
>>>>>>> 15: (BlueStore::_mount(bool, bool)+0x4b7) [0x5586b21bf807]
>>>>>>> 16: (OSD::init()+0x295) [0x5586b1d673c5]
>>>>>>> 17: (main()+0x268d) [0x5586b1c554ed]
>>>>>>> 18: (__libc_start_main()+0xe7) [0x7f1d5ea2db97]
>>>>>>> 19: (_start()+0x2a) [0x5586b1d1d7fa]
>>>>>>> NOTE: a copy of the executable, or `objdump -rdS <executable>` is
>>>>>>> needed to interpret this.
>>>>>>>
>>>>>>> _______________________________________________
>>>>>>> ceph-users mailing list
>>>>>>> ceph-users@lists.ceph.com
>>>>>>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>
>> _______________________________________________
>> ceph-users mailing list
>> ceph-users@lists.ceph.com
>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>
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