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HotScale
Technology
HotScale™ technology lets you configure, reconfigure, add, or relocate storage array
capacity without interrupting user access to data.
Port bypass technology automatically opens ports and closes ports when drive trays
are added to or removed from your storage array. Fibre Channel loops stay intact so
that system integrity is maintained throughout the process of adding and
reconfiguring your storage array.
For more information about using the HotScale technology, contact your Technical
Support representative.
Adding
Redundant
Drive Channels
If you are working with a storage array that has redundant drive channels, it is easy to
add drive trays. Make sure that you always maintain communication between a
functioning controller and the existing drive trays by only interrupting the continuity
of a single drive channel at any one point in time. This precaution avoids interruption
of data availability.
Your Technical Support representative can provide assistance in maintaining access to
data during the upgrade of your storage array.
Adding One
Non-Redundant
Drive Channel
If you are working with a storage array that has only one drive channel, add the drive
tray to the end of the series of drive trays in the storage array. You do so while power
is still applied to the other drive trays.
ATTENTION Risk of equipment damage – If your FC4600 drive tray, DE1600
drive tray, or DE5600 drive tray uses the optional DC power connection, a different
procedure exists for turning on and turning off the power to a DC-powered drive tray.
Refer to the topics under Storage Array Installation for the hardware you are installing
or refer to the corresponding PDF document on the SANtricity ES Storage Manager
Installation DVD.
1. Add the new drive tray to the end of the series of existing drive trays.
2. Install the additional cable.
3. Turn on the power to the new drive tray.
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