Revision 1 as of 2009-11-23 13:37:08

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Contents

  1. osd commands
    1. addpolicy
    2. addserver
    3. apropos
    4. createobject
    5. createosd
    6. decrlinkcount
    7. deleteosd
    8. deletepolicy
    9. deleteserver
    10. fetchqueue
    11. getvariable
    12. help
    13. incrlinkcount
    14. listosds
    15. md5sum
    16. objects
    17. osd
    18. policies
    19. psread
    20. pswrite
    21. read
    22. servers
    23. setosd
    24. setvariable
    25. statistic
    26. threads
    27. volumes
    28. wipecandidates
    29. write

osd commands

addpolicy

add a policy

addserver

create server entry in osddb

apropos

search by help text Usage: osd apropos -topic <help string> 

# osd apropos create 
addserver: create server entry in osddb 
createobject: create object in existing volume subtree 
createosd: create osd entry in osddb

createobject

create object in existing volume subtree

createosd

create osd entry in osddb

decrlinkcount

decrement link count of an objekt

deleteosd

delete osd entry in odddb

deletepolicy

delete a policy

deleteserver

delete a server entry

== examine ==

examine single object Usage: osd examine -osd <osd or server name or IP-address> -fid <file-id: volume.vnode.uniquifier[.tag]>

fetchqueue

show fetch requests

getvariable

get rxosd variable

help

get help on commands

incrlinkcount

increment link count of an objekt

listosds

list osds

md5sum

get md5 sum

objects

list objetcs of a volume

osd

show single osddb entry 

osd osd 
Osd 'local_disk' with id=1: 
        type            = 0 
        minSize         = 0 KB 
        maxSize         = 1024 KB 
        totalSize       = 0 MB 
        pmUsed          = 0 per mille used 
        totalFiles      = 0 M Files 
        pmFilesUsed     = 0 per mille used 
        ip              = 0.0.0.0 
        server          = 0 
        lun             = 0 
        alprior         = 64 
        rdprior         = 100 
        flags           = 0 
        unavail         = 0 
        owner           = 0 = '' 
        location        = 0 = '' 
        timeStamp       = 0 =  never       
        highWaterMark   = 0 per mille used 
        minWipeSize     = 0 MB 
        chosen          = 0 (should be zero) 
Osd 'zyklop20-al' with id=2: 
        type            = 0 
        minSize         = 1024 KB 
        maxSize         = 2147483648 KB 
        totalSize       = 10951323 MB 
        pmUsed          = 17 per mille used 
        totalFiles      = 10 M Files 
        pmFilesUsed     = 0 per mille used 
        ip              = 141.34.22.43 
        server          = 0 
        lun             = 37 
        alprior         = 64 
        rdprior         = 64 
        flags           = 0 
        unavail         = 0 
        owner           = 0 = '' 
        location        = 0 = '' 
        timeStamp       = 1257495000 =  2009-11-06 09:10:00 
        highWaterMark   = 800 per mille used 
        minWipeSize     = 0 MB 
        chosen          = 0 (should be zero)

policies

show policy osddb entry

psread

pseudo striped read data from an object

pswrite

write data into an object

read

read data from an object

servers

show server osddb entry

setosd

set fields in osddb

setvariable

set rxosd variable

statistic

get rpc statistic 

# osd statistic zyklop20-al 
funny kvno (256) in ticket, proceeding 
Since  2009-11-15 04:00:04 (458674 seconds == 5 days, 7:24:34 hours) 
Total number of bytes received   96448669084672   87 tb 
Total number of bytes sent       95887024458752   87 tb 
rpc 220 Dummy                       17884 
rpc 131 read                            4 
rpc 170 list                            3 
rpc 314 updatecounters           93420271 
rpc 211 CopyOnWrite               1972564 
rpc 110 create                          1 
rpc 121 write                         140 
rpc 187 examine                        25 
rpc 185 examine0                        1 
rpc 150 incdec                          1 
rpc 311 Variable                        2 
rpc 312 statistic                       2

threads

show active threads in osd server

volumes

list volumes

wipecandidates

get candidates for wipeing

write

write data into an object