xfs_metadump: invalid numrecs (65079) in bmapbtd block 48/220114342

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Hello:
     A fatal error occurred in the XFS file system of my production environment when I run the following command
     error:
    [root@localhost 0316]# xfs_metadump  -g -o -w /dev/centos/home xfs.img
Metadata CRC error detected at xfs_agf block 0x187ffffe79/0x200
xfs_metadump: cannot init perag data (-74). Continuing anyway.
Copying free space trees of AG 10                          
Metadata CRC error detected at xfs_bmbt block 0x1868f56bb0/0x1000


xfs_metadump: invalid numrecs (65079) in bmapbtd block 48/220114342
Copying free space trees of AG 22  Metadata CRC error detected at xfs_bmbt block 0x18a6ffeb38/0x1000


xfs_metadump: invalid numrecs (39031) in bmapbtd block 49/81788312
Metadata CRC error detected at xfs_bmbt block 0x19a1ffeda8/0x1000
xfs_metadump: invalid numrecs (49606) in bmapbtd block 51/71302632
Metadata CRC error detected at xfs_bmbt block 0x1a9cfff018/0x1000
xfs_metadump: invalid numrecs (4194) in bmapbtd block 53/60816952
Copying free space trees of AG 48   bad magic number


xfs_metadump: cannot read superblock for ag 49
Metadata CRC error detected at xfs_agi block 0x187ffffe7a/0x200
Metadata CRC error detected at xfs_agfl block 0x187ffffe7b/0x200
/usr/sbin/xfs_metadump: line 33:  6369 Segmentation fault      (core dumped) xfs_db$DBOPTS -i -p xfs_metadump -c "metadump$OPTS $2" $1


I have two questions and hope to get your reply
1:Metadata CRC error detected at xfs_agfl block 0x187ffffe7b/0x200

What does the red font mean?What does it mean?

2:How can I fix it


Thank you very much





 




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