User Name Mapping - IBM totalstorage 326 User Reference

Creating Windows users and groups
Using the IBM NAS Admin, under the Users and Groups folder, create Windows
accounts corresponding to the UNIX accounts. Note that a potential problem at this
point is the practice in some UNIX systems of defining a UNIX group for each UNIX
user using the same name as the user's name. Windows does not allow the
creation of groups with the same name as users.
To map these groups, it is necessary to adopt a naming convention to apply to all
these group names. So for a user named alpha, you might have a group named
g_alpha on the NAS that corresponds to the group alpha in UNIX. The naming
convention must be selected so as not to conflict with any existing user or group
names. Introducing a naming convention creates the need for an advanced map in
User Name Mapping, as described in "User Name Mapping".
For best results, it is necessary to replicate the UNIX group membership among the
mapped users and groups on the NAS by adding the mapped users to the mapped
groups. You can add Windows users to Windows groups using the IBM NAS Admin
Users and Groups folder.

User Name Mapping

Note: This section supplements other information on User Name Mapping in this
Decide where the User Name Mapping server will run. If the NAS is a single-node
product, the server runs on the NAS. For a clustered NAS, User Name Mapping
clustering is recommended, so User Name Mapping can run on both nodes and
failover as needed.
When you have decided where the User Name Mapping server will run, complete
the following steps.
Note that you will need to click the Apply button to effect changes to the settings.
1. Specify the enumeration source.
2. Define maps.
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Model 326 User's Reference
book.
In the IBM NAS Admin, follow this path, Services for UNIX → User Name
Mapping → Configuration. Then click Network Information Service (NIS) if
you will use an NIS server, or specify where the local files reside.
User Name Mapping rereads its enumeration source on a schedule. By default,
this occurs once a day. You can reset the refresh period. To force User Name
Mapping to reread the enumeration source, you can click Synchronize Now on
the Configuration panel.
Note: If maps do not seem to synchronize, you might need to stop and restart
User Name Mapping. You can do this through the GUI, or by the
commands:
net stop mapsvc
net start mapsvc
Simple maps provide automated mapping between UNIX and Windows users
(and groups) with the same names. This is recommended. You can enable
simple maps by following this path User Name Mapping → Maps and clicking
Simple Maps.
To create advanced maps for users and groups, on the Maps panel, click Show
User Maps or Show Group Maps and then fill in the appropriate fields.