HP 166207-B21 Smart Array 5300 Controller User Guide - Page 66

online, Logical Configuration View, Extend, Logical Drive, Extend Logical Drive, Controller

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Configuring an Array The Windows NT 4.0 operating system supports online logical drive capacity extension. Some operating systems also support offline capacity extension. Before extending logical drives, check the operating system documentation for current information, or contact your operating system vendor. NOTE: The extension process takes about 15 minutes per gigabyte. Data can still be read from or written to any logical drive on the controller during an extension, although performance might be reduced. However, a controller can perform only one expansion, extension, or migration at any given time. To extend the capacity of a logical drive: 1. Back up all data on the array. Although array expansion is unlikely to cause data loss, observing this precaution will provide additional data protection. 2. If you are extending the capacity while offline: a. Restart the server from the software CD provided in the controller kit. b. Open ACU from the CD. 3. Select the logical drive in the Logical Configuration View window. 4. Click Extend in the Logical Drive box. The Extend Logical Drive screen displays the current capacity and overhead of the selected logical drive. The unshaded region on the slider scale shows the free capacity on the array that is available for extension. 5. Move the slider control to increase the size of the logical drive. NOTE: You cannot reduce the size of the logical drive from this screen. 6. Click Done to return to the main ACU screen. 7. To save the logical drive settings, click Controller on the menu bar and select Save Configuration. A progress bar in the lower right-hand corner of the screen shows the status of the extension process. 7-24 Compaq Smart Array 5300 Controller User Guide

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Configuring an Array
7-24
Compaq Smart Array 5300 Controller User Guide
The Windows NT 4.0 operating system supports
online
logical drive capacity
extension. Some operating systems also support
offline
capacity extension. Before
extending logical drives, check the operating system documentation for current
information, or contact your operating system vendor.
NOTE:
The extension process takes about 15 minutes per gigabyte. Data can still be read
from or written to any logical drive on the controller during an extension, although performance
might be reduced. However, a controller can perform only one expansion, extension, or
migration at any given time.
To extend the capacity of a logical drive:
1.
Back up all data on the array. Although array expansion is unlikely to cause data
loss, observing this precaution will provide additional data protection.
2.
If you are extending the capacity while offline:
a.
Restart the server from the software CD provided in the controller kit.
b.
Open ACU from the CD.
3.
Select the logical drive in the
Logical Configuration View
window.
4.
Click
Extend
in the
Logical Drive
box.
The
Extend Logical Drive
screen displays the current capacity and overhead of
the selected logical drive. The unshaded region on the slider scale shows the free
capacity on the array that is available for extension.
5.
Move the slider control to increase the size of the logical drive.
NOTE:
You cannot reduce the size of the logical drive from this screen.
6.
Click
Done
to return to the main ACU screen.
7.
To save the logical drive settings, click
Controller
on the menu bar and select
Save Configuration.
A progress bar in the lower right-hand corner of the screen shows the status of
the extension process.