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6.3 HP StoreAll Storage File System User Guide (TA768-96093, June 2013)

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Linux permissions on files created over SMB
The Linux permissions on files and folders created over SMB are not generally of interest to Windows
users and administrators, but some insight is useful when considering multiprotocol access and for
StoreAll system administrators. See “Permissions in a cross-protocol SMB environment” (page 100).
The HP SMB server maps Windows user and group credentials to Linux UIDs and GIDs. The UIDs
and GIDs are generated automatically by the CIFS server unless Linux Static User Mapping has
been enabled in which case the UIDs and GIDs are looked up in Active Directory or LDAP.
Use lw-find-user-by-name to find the Linux UID for a Windows user and use
lw-find-user-by-name to find the Linux GID for a Windows group. You can also do reverse
lookups with UIDs and GIDs to find the equivalent Windows using lw-find-user-by-id and
lw-find-group-by-id.
[root@ibrix01a ~]# /opt/likewise/bin/lw-find-user-by-name IB\\testuser1
The command displays the following output:
User info (Level-0):
====================
Name: IB\testuser1
SID: S-1-5-21-3681183244-3700010909-334885885-27276
Uid: 1060661900
Gid: 1060635137
Gecos: testuser1
Shell: /bin/sh
Home dir: /home/local/IB/testuser1
Logon restriction: NO
Do a reverse lookup with the UID by entering the following command:
[root@ibrix01a ~]# /opt/likewise/bin/lw-find-user-by-id 1060661900
The command displays the following output:
User info (Level-0):
====================
Name: IB\testuser1
SID: S-1-5-21-3681183244-3700010909-334885885-27276
Uid: 1060661900
Gid: 1060635137
Gecos: testuser1
Shell: /bin/sh
Home dir: /home/local/IB/testuser1
Logon restriction: NO
The GID is the GID for the user’s primary group as set in Active Directory. Do a reverse lookup
and find out the name of that group by entering the following command:
[root@ibrix01a ~]# /opt/likewise/bin/lw-find-group-by-id 1060635137
The command displays the following output:
Group info (Level 0):
====================
Name: IB\domain^users
SMB shares 87