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Three function calls, dsmSetAccess, dsmDeleteAccess,
and dsmQueryAccess support cross-node, cross-owner access on the
same platform. These functions, along with the -fromnode and
-fromowner string options that are passed on dsmInitEx,
permit a complete cross-node query, restore and retrieve process through the
API. For example, User A on node A uses the dsmSetAccess
function call to give access to its backups under the /db filespace
to User B from Node B. The access rule is displayed as:
ID | Type | Node | User | Path |
---|---|---|---|---|
1 | Backup | Node B | User B | /db/*/* |
When User B logs on at Node B, the option string to dsmInitEx is:
-fromnode=nodeA -fromowner=userA
These options are set for this session. Any queries will access the filespaces, and files of Node A. Backups and archives are not permitted. Only query, restore, and retrieve processes are permitted from the filespaces for which User B has access. See the individual function calls and dsmInitEx for more information.