There are several way to control which hosts the supervisor will select when deciding where to start job instances on the farm.
- Hosts: Send only to an explicit set of workers
- Host Groups: Send only to an explicit pre-defined group of workers
- Host Order: Select hosts in a certain preferential order
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Qube! allows users to specify a list of hosts, for the job to run on. This is a comma-delimited list of hostnames.
Example
% qbsub --hosts "qb001,qb002" command
Omit Hosts
Qube! allows users to You can also specify a list of hosts on which the job is restricted from running. This is a comma-delimited list of hostnames. This blacklists the hosts from running on these hosts.
Example
Examples
| Command | Meaning |
|---|---|
% qbsub --hosts "qb001,qb002" command | Run 'command' on hosts called qb001 and qb002 |
% qbsub --omithosts "qb001,qb002" command | Restrict 'command' from running on qb001 or qb002 |
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Qube! allows the administrator to organize the farm into clusters or host groups. These groups have no hierarchy, and hosts are allowed membership in multiple groups. In order to restrict a job to a specific set of hosts, the user may specify in the a set of groups to restrict the job to. This goes into the 'group' field of the job, which groups they want the job restricted to.
Example
. Similarly to Hosts, it is also possible to omit groups from consideration.
Examples
| Command | Meaning |
|---|---|
% qbsub --groups "vfx,character" Render my/file.ma |
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Example
| Render the Maya file called file.ma on any host in the 'vfx' or 'character' groups | |
% qbsub --omitgroups "vfx,character" command | Run 'command' on any host not in the 'vfx' or 'character' groups |
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