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This article introduces the relevant knowledge of "MooseFS operation and maintenance example analysis". In the operation of actual cases, many people will encounter such a dilemma. Next, let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

Mfs restart time consumed disk usage: 158TiB

Cluster information:

Version: 3.0.92all fs objects: 92416689total space: 233TiBavail space: 75TiB

Restart log:

Open files limit has been set to: 10240working directory: / home/work/local/mfs/var/mfssending SIGTERM to lock owner (pid:24805) waiting for termination. Terminatedinitiating mfsmaster modules... exports file has been loadedtopology file has been loadedloading metadata... loading sessions data. Ok (0.0000) loading storage classes data... Ok (0.0000) loading objects (files,directories,etc.) Ok (96.0219) loading names... Ok (95.3882) loading deletion timestamps... Ok (0.4550) loading quota definitions... Ok (0.0000) loading xattr data... Ok (0.0000) loading posix_acl data... Ok (0.0000) loading open files data... Ok (0.0003) loading flock_locks data... Ok (0.0000) loading posix_locks data... Ok (0.0000) loading chunkservers data... Ok (0.0000) loading chunks data... Ok (9.4933) checking filesystem consistency... Okconnecting files and chunks... Okall inodes: 92547380directory inodes: 6160819file inodes: 86386561chunks: 86692251metadata file has been loadedstats file has been loadedmaster metaloggers module: listen on *: 9419master chunkservers module: listen on *: 9420main master server module: listen on *: 9421mfsmaster daemon initialized properly

Time spent: ≈ 7min

Disk usage: 36 TiB

Cluster information:

Version: 3.0.92all fs objects: 81940003total space: 229 TiBavail space: 193 TiB

Restart log:

Sun Mar 29 18:11:26 CST 2020 [work@xxxx mfs] $. / sbin/mfsmaster restartopen files limit has been set to: 10240working directory: / home/work/local/mfs/var/mfssending SIGTERM to lock owner (pid:31809) waiting for termination. Terminatedinitiating mfsmaster modules... exports file has been loadedtopology file has been loadedloading metadata... loading sessions data. Ok (0.0000) loading storage classes data... Ok (0.0000) loading objects (files,directories,etc.) Ok (18.5035) loading names... Ok (78.2573) loading deletion timestamps... Ok (0.0024) loading quota definitions... Ok (0.0000) loading xattr data... Ok (0.0000) loading posix_acl data... Ok (0.0000) loading open files data... Ok (0.0000) loading flock_locks data... Ok (0.0000) loading posix_locks data... Ok (0.0000) loading chunkservers data... Ok (0.0000) loading chunks data... Ok (7.2844) checking filesystem consistency... Okconnecting files and chunks... Okall inodes: 81940003directory inodes: 7941524file inodes: 73998479chunks: 73562308metadata file has been loadedstats file has been loadedmaster metaloggers module: listen on *: 9419master chunkservers module: listen on *: 9420main master server module: listen on *: 9421mfsmaster daemon initialized properly [work@xxxx mfs] $dateSun Mar 29 18:15:42 CST 2020

Time spent: ≈ 5min

Commemorate the MFS cluster that has been in service for three years

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