Administrator Guide

5. To allow multiple initiators to access the target, select the Allow simultaneous connections from initiators with dierent IQNs
checkbox. (By default, this checkbox is not selected.)
6. Click OK.
About NAS Container Security
You control access to your NAS containers through volume-level and group-level security.
Windows and UNIX operating systems use dierent mechanisms for user identication, authentication, and resource access control.
The le security style controls the type of operations that are permitted in the NAS container.
When you create a NAS container, the NAS cluster applies the NAS clusterwide default le security style. When a le or directory is
created, the default NAS container security style, which controls the permissions and ownership, is applied.
You can modify a NAS container to change the le security style. The modication will aect only those les and directories that are
created after the modication.
A NAS cluster supports the following security styles:
• UNIX — Controls le access using UNIX permissions in all protocols. A client can change a permission only by using the chmod
and chown commands on the NFS mount point. You can specify UNIX permissions for les and directories created in the NAS
container by Windows clients.
Windows clients cannot change any le or directory permissions. Read, write, and execute access is controlled by the UNIX
permissions for Windows les and directories, which you set in Group Manager.
• NTFS — Controls le access by Windows permissions in all protocols. A client can change the permission and ownership by
using the Windows Security tab. This security style is the default style.
All access permissions are controlled by the Windows administrator through the use of access control lists or share-level
permissions.
• Mixed — Supports both NTFS and UNIX security styles. The permissions and ownership for a le or directory will be the last
ones set. Permissions and access rights are automatically translated from one protocol to another.
A Windows user can override UNIX user settings, and a UNIX user can override Windows user settings.
In multiple protocol environments, it can be benecial to set UNIX security style for UNIX clients and set NTFS security style for
Windows clients.
Modify the File Security Style for a NAS Container
To modify the le security style for a NAS container:
1. Click NAS, expand NAS Clusters and Local Containers, and then select the NAS container name.
2. Click Modify Settings.
3. In the Modify Settings dialog box, click the Access Permissions tab.
4. Select the le security style: NTFS, UNIX, or mixed. The default security style is NTFS.
If you select UNIX for the security style, the Modify Settings dialog box displays additional elds that enable you to specify the
UNIX le and directory permissions for the NAS container.
5. Click OK.
Modify the UNIX Permissions for Windows Directories or Files
If you are using the UNIX le security style, you can specify the UNIX permissions for directories that are created in the NAS
container by Windows clients using SMB.
To modify the UNIX directory permissions for a NAS container:
1. Click NAS, expand NAS cluster and Local Containers, and then select the NAS container name.
2. Click Modify Settings.
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About Volume-Level Security