HP Surestore NAS - Manual (Page 73)

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o Intellimirror: provides the primary benefits related to custom mobile profiles
o User Data Management - Users have access to their data regardless of the
hardware that they logged on to.
o Software Installation and Maintenance - Users have "just in time" application
installations regardless of the hardware that they are logged on to.
o User Settings Management - Users' desktops are available regardless of the
hardware that they are logged on to.
o SIDHistory: A migration tool that is interdependent with other domain migration and
restructuring tools. It is only available in Native Mode. It addresses the issue of
incongruous user accounts and access control entries on access control lists.
o PDC Emulator: Windows 2000 Advanced Directory domains include the designation
of a PDC Emulator or FSMO PDC Emulator. The PDCE is usually resident on the
forest root domain controller in both Mixed Mode and Native Mode domains, but
includes NT4.0 functionality when the domain is in Mixed Mode.
o Further information on Mixed vs. Native Modes, including Dial-In options.
Resizing of File Systems and Volumes
File systems and Volumes can be resized on-line from a console using the fsadm or vxresize
commands without interruption of user access.
The fsadm Command
Syntax for the fsadm command is as follows:
/usr/sbin/fsadm [-b newsize] [-r rawdev] mount_point
To expand or reduce a file system to 2048000 sectors:
# /usr/sbin/fsadm -b 2048000 -r /dev/vx/rdsk/traindg/vola /vola
The vxresize Command
Syntax for the vxresize command is as follows:
/usr/sbin/vxresize [-bsx] [-F vxfs] [-g diskgroup] [-t tasktag]
volume new_length [medianame]
To expand or reduce a file system to 4 GB:
# /usr/sbin/vxresize -F vxfs -g datadg mail 4g
Managing User Quotas
User Quotas are used to allocate a specific amount of disk space to a user
o BSD style per-user quotas are supported.
o Hard limits cannot be exceeded.
o Soft limits can be exceeded temporarily.
o Quotas can be turned on at mount time or any later time.
o The root directory must contain the file quotas.
To turn user quotas on after mounting:
vxquotaon mount_point
To turn user quotas on while mounting:
mount -f vxfs -o quota special mount_point