rados命令

chen@admin-node:/etc/ceph$ rados --help
usage: rados [options] [commands]
POOL COMMANDS
   lspools                          list pools
   mkpool  [123[ 4]]     create pool '
                                    [with auid 123[and using crush rule 4]]
   cppool     copy content of a pool
   rmpool  [ --yes-i-really-really-mean-it]
                                    remove pool '
   df                               show per-pool and total usage
   ls                               list objects in pool

   chown 123                        change the pool owner to auid 123

POOL SNAP COMMANDS
   lssnap                           list snaps
   mksnap                create snap 
   rmsnap                remove snap 

OBJECT COMMANDS
   get  [outfile]         fetch object
   put  [infile]          write object
   truncate  length       truncate object
   create                 create object
   rm  ...                remove object(s)
   cp  [target-obj]       copy object
   clonedata      clone object data
   listxattr 
   getxattr  attr
   setxattr  attr val
   rmxattr  attr
   stat objname                     stat the named object
   mapext 
   rollback    roll back object to snap 

   listsnaps              list the snapshots of this object
   bench  write|seq|rand [-t concurrent_operations] [--no-cleanup] [--run-name run_name]
                                    default is 16 concurrent IOs and 4 MB ops
                                    default is to clean up after write benchmark
                                    default run-name is 'benchmark_last_metadata'
   cleanup [--run-name run_name] [--prefix prefix]
                                    clean up a previous benchmark operation
                                    default run-name is 'benchmark_last_metadata'
   load-gen [options]               generate load on the cluster
   listomapkeys           list the keys in the object map
   listomapvals           list the keys and vals in the object map 
   getomapval   [file] show the value for the specified key
                                    in the object's object map
   setomapval   
   rmomapkey  
   getomapheader  [file]
   setomapheader  
   tmap-to-omap           convert tmap keys/values to omap
   watch                  add watcher on this object
   notify        notify wather of this object with message
   listwatchers           list the watchers of this object
   set-alloc-hint  object-size> write-size>
                                    set allocation hint for an object

IMPORT AND EXPORT
   import [options]  
       Upload  to 
   export [options]  
       Download  to 
   options:
       -f / --force                 Copy everything, even if it hasn't changed.
       -d / --delete-after          After synchronizing, delete unreferenced
                                    files or objects from the target bucket
                                    or directory.
       --workers                    Number of worker threads to spawn 
                                    (default 5)

ADVISORY LOCKS
   lock list 
       List all advisory locks on an object
   lock get  
       Try to acquire a lock
   lock break   
       Try to break a lock acquired by another client
   lock info  
       Show lock information
   options:
       --lock-tag                   Lock tag, all locks operation should use
                                    the same tag
       --lock-cookie                Locker cookie
       --lock-description           Description of lock
       --lock-duration              Lock duration (in seconds)
       --lock-type                  Lock type (shared, exclusive)

CACHE POOLS: (for testing/development only)
   cache-flush            flush cache pool object (blocking)
   cache-try-flush        flush cache pool object (non-blocking)
   cache-evict            evict cache pool object
   cache-flush-evict-all            flush+evict all objects
   cache-try-flush-evict-all        try-flush+evict all objects

GLOBAL OPTIONS:
   --object_locator object_locator
        set object_locator for operation
   -p pool
   --pool=pool
        select given pool by name
   --target-pool=pool
        select target pool by name
   -b op_size
        set the size of write ops for put or benchmarking
   -s name
   --snap name
        select given snap name for (read) IO
   -i infile
   --create
        create the pool or directory that was specified
   -N namespace
   --namespace=namespace
        specify the namespace to use for the object
   --all
        Use with ls to list objects in all namespaces
        Put in CEPH_ARGS environment variable to make this the default
   --default
        Use with ls to list objects in default namespace
        Takes precedence over --all in case --all is in environment
   --target-locator
        Use with cp to specify the locator of the new object
   --target-nspace
        Use with cp to specify the namespace of the new object

BENCH OPTIONS:
   -t N
   --concurrent-ios=N
        Set number of concurrent I/O operations
   --show-time
        prefix output with date/time

LOAD GEN OPTIONS:
   --num-objects                    total number of objects
   --min-object-size                min object size
   --max-object-size                max object size
   --min-ops                        min number of operations
   --max-ops                        max number of operations
   --max-backlog                    max backlog (in MB)
   --percent                        percent of operations that are read
   --target-throughput              target throughput (in MB)
   --run-length                     total time (in seconds)

 

转载于:https://www.cnblogs.com/IvanChen/p/4939319.html