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