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MOGADM(1) User Contributed Perl Documentation MOGADM(1)

mogadm - MogileFS admin tool

 $ mogadm [config options] <argument(s)> [argument options]
 $ mogadm
   ....
   (prints contextual help, if missing command/arguments)
   ...

Set this option to a path to include this directory in the module search path.
Use these MogileFS trackers for status information.

Check to ensure that all of the MogileFS system components are functioning and that we can contact everybody. The quickest way of ensuring that the entire MogileFS system is functional from the current machine's point of view.
Functions for manipulating hosts. For add and modify, host options is in the format of normal command line options and can include anything in the "HOST OPTIONS" section.
Functions for manipulating devices. For add and modify, device options are in the format of normal command line options and can include anything in the "DEVICE OPTIONS" section.
Simple commands for managing MogileFS domains. Note that you cannot delete a domain unless it has no classes and is devoid of files.
Commands for working with classes. Please see the "CLASS OPTIONS" section for the options to use with add/modify. Also, delete requires that the class have no files in it before it will allow the deletion.
Add/remove slaves replicating from MogileFS master database.

TODO: detail this

Run mogadm slave by itself for contextual help.

Display or clear the log of fsck events.
Reset fsck position back to the beginning. Please see the "FSCK OPTIONS" section for options to use with fsck.
Start (or resume) background fsck from the last checked fid. If you want to check every fid, you must call fsck reset before calling start.
Show the status of the presently active (or last if none active) fsck. This includes what FIDs are being checked, time statistics, check type as well as a summary of problems encountered so far.
Stop (pause) background fsck
Display all present MogileFS settings.
Set the server setting for 'key' to 'value'.

The current settings are <enable_rebalance> (set to 1 to start rebalance mode to move files to under-used devices) and <memcache_servers> (enable memcached caching in the tracker).

Contact information for the host. This is the minimum set of information needed to setup a host.
If provided, causes the tracker to use this port for retrieving files. Uploads are still processed at the standard port.
If a client request comes in from an IP that matches the alternate mask, then the host IP is treated as the alternate IP instead of the standard IP. This can be used, for example, if you have two networks and you need to return one IP to reach the node on one network, but a second IP to reach it on the alternate network.
Valid host statuses are one of: alive, down, readonly.

Valid device statuses are one of: alive, dead, down, drain, readonly.
The weight used in calculation of preferred paths. It must be a positive integer.

Number of devices the files in this class should be replicated across. Can be set to anything >= 1.
Stringified replication policy. ie "MultipleHosts(3)" is equivalent to a --mindevcount=3. See documentation or plugins on alternative policies.
Name of the hash algorithm used for checksumming. "MD5" or "NONE" for no checksumming.

Check replication policy (assumed locations) only; don't stat storage nodes for actual file presence.

Host manipulation:

    $ mogadm host list
    $ mogadm host add foo.local
    $ mogadm host add foo.local --status=down --ip=10.0.0.34 --port=7900
    $ mogadm host mark foo.local down
    $ mogadm host modify foo.local --port=7500
    $ mogadm host delete foo.local

Device manipulation:

    $ mogadm device list
    $ mogadm device summary
    $ mogadm device summary --status=dead,down
    $ mogadm device next
    $ mogadm device add foo.local 16
    $ mogadm device add foo.local 17 --status=alive
    $ mogadm device mark foo.local 17 down
    $ mogadm device modify foo.local 17 --status=alive --weight=10
    $ mogadm device delete foo.local 17

Domain manipulation:

    $ mogadm domain list
    $ mogadm domain add first.domain
    $ mogadm domain delete first.domain

Class manipulation

    $ mogadm class list
    $ mogadm class add first.domain my.class
    $ mogadm class add first.domain my.class --mindevcount=3
    $ mogadm class add first.domain my.class --replpolicy="MultipleHosts(3)"
    $ mogadm class modify first.domain my.class --mindevcount=2
    $ mogadm class modify first.domain my.class --replpolicy="MultipleHosts(3)"
    $ mogadm class delete first.domain my.class

Check the status of your entire MogileFS system:

    $ mogadm check

Check every file in the entire MogileFS system:

    $ mogadm fsck reset
    $ mogadm fsck start
    $ mogadm fsck status
    $ mogadm fsck printlog

See all the things mogadm can do:

    $ mogadm

Get help on a sub-command:

    $ mogadm device

It is recommended that you create a configuration file such as "/etc/mogilefs/mogilefs.conf" (or at "~/.mogilefs.conf") to be used for configuration information. Basically all you need is something like:

    trackers = 10.0.0.23:7001, 10.0.0.15:7001
    # if MogileFS::Admin files aren't installed in standard places:
    lib = /home/mogilefs/cgi-bin

Note that these can also be specified on the command line, as per above.

Brad Fitzpatrick <brad@danga.com>

Mark Smith <junior@danga.com>

Leon Brocard <acme@astray.com>, open sourced permissions from Foxtons Ltd.

Robin H. Johnson <robbat2@orbis-terrarum.net>

Please report any on the MogileFS mailing list: <http://groups.google.com/group/mogile/>.

Licensed for use and redistribution under the same terms as Perl itself.

2018-01-19 perl v5.40.2
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