ceph-bluestore-tool 可以对bluestore 文件系统进行检查：
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#ceph-bluestore-tool --path /var/lib/ceph/osd/ceph-0 --command fsck ... 2017-12-11 12:06:22.464823 7f9bce47bd00 4 rocksdb: Compression algorithms supported: 2017-12-11 12:06:22.465071 7f9bce47bd00 4 rocksdb: Snappy supported: 0 2017-12-11 12:06:22.465078 7f9bce47bd00 4 rocksdb: Zlib supported: 0 2017-12-11 12:06:22.465080 7f9bce47bd00 4 rocksdb: Bzip supported: 0 2017-12-11 12:06:22.465083 7f9bce47bd00 4 rocksdb: LZ4 supported: 0 2017-12-11 12:06:22.465085 7f9bce47bd00 4 rocksdb: ZSTD supported: 0 2017-12-11 12:06:22.465087 7f9bce47bd00 4 rocksdb: Fast CRC32 supported: 0 ... 2017-12-11 12:06:26.629854 7f9bce47bd00 1 bluestore(/var/lib/ceph/osd/ceph-0) fsck finish with 0 errors in 7.053573 seconds |
注意： 必须把对应的osd停掉才行