TSM and CMOD - how they are related?

[jw]

When an application group is defined, a storage set is required.  A storage set is associated to a storage node in TSM.

How does a TSM node associate to unix file system?  Is there a config file to indicate that?

Thanks for your info.

[Justin Derrick]

Hi.

That's a BIG question -- let's see if I can keep this simple and straightforward.

TSM is used for it's archive functionality.  TSM will accept and hold a file for as long as the configured policy tells it to.

A CMOD Storage Set is connected to a TSM Node, and that TSM Node belongs to a Policy Domain, which largely defines how long a document will be kept, and where.

The 'Where' is defined at the lowest level by a deviceclass, which belongs to a storagepool, which is defined in a copygroup, which belongs to a management class.

The deviceclass will determine which type of device the data is stored on.  A 'File' deviceclass will put the data in files on filesystems.  An optical or tape deviceclass enables TSM to store data on optical libraries or tape.

You would determine this my logging into TSM's Admin Console (you may have a GUI, but I prefer the command line).  On all platforms I'm familiar with, the command is the same:  "dsmadmc"  (_D_istributed _S_torage _M_anager _ADM_in _C_onsole)

Grab a pen and paper to make notes, but you'll want to run commands like this inside admadmc:
q node
q domain
q policy
q mgmt
   ... etc ...

You can get more information on any of these queries by adding "format=detailed" or simply "f=d" at the end.

For a list of ALL the things you can query, "help query".

To exit, "quit".

Good luck!

-JD.


-JD.

[pankaj.puranik]

For more details you could download the pdf at :

http://www.meduniwien.ac.at/itsc/services/backup/docs/pubs52/aix/pdf/guide/anragd51.pdf

This clearly explains the :
Policy Domain
Policy Sets
Management class
Copy group
Storage Pool
Device class

Cheers
Pankaj.

[jw]

Thanks Justin and Pankaj.  Unfortunately, I do not have access to "dsmadmc". 
Thanks anyway.

[Justin Derrick]

It may simply not be in your path. 

Try /opt/tivoli/tsm/server/bin/dsmadmc or /usr/tivoli/tsm/server/bin/dsmadmc.

-JD.

[jw]

Justin,

It asks me the id and password which I don't have.  As I am not part of the group that manage TSM storage, I will not have the id/password to do such a query.

Thanks for your help.

jw