HP NetRAID 1Si Controller - Manual (Page 135)

Chapter 6 Capacity Expansion
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2. Partition and Format New Capacity.
1. When the reconstruction is complete, enter the Disk Administrator.
In our example, the original drive is still shown as E: and is 12 GB.
2. Select the unpartitioned area, and create a primary partition of 4 GB.
3. Format the new partition.
In our example, you now have another drive (say F:) of 4 GB without
restarting.
4. Exit the Disk Administrator and begin use of the new capacity on the F
volume.
If the expanded capacity and the original capacity must share the same drive letter,
you must restart Windows NT. Next identify the added capacity as an extended
partition, and then select the original and new (extended) partition. Use the
selection Extend Partition to make the two partitions share the same drive letter
(E: for this example). You need to restart Windows NT before any part of E:
becomes available again. If you accidentally enter more capacity than is actually
available, Windows NT will detect the error upon restarting as it executes a
check-disk operation on the extended volume.
Expanding Capacity under Windows NT with Virtual Sizing Disabled
If you already are using a logical drive without Virtual Sizing enabled, but now
wish to add capacity to it, your options are limited. Here are the likely scenarios
when Virtual Sizing has not been enabled.
Without Restarting the HP NetServer
Unless Virtual Sizing was enabled during installation, you cannot add capacity
without restarting the HP NetServer. Windows NT does not recognize new logical
drives unless you restart the HP NetServer.
With Restart
CAUTION Back up your data before you begin this procedure. You will
repartition the logical drive and destroy the data in it.
If a restart is acceptable, then you can bring down the HP NetServer. If the logical
drive has already been used, you need to back up the data, enable Virtual Sizing,
repartition and format the new capacity, and restore the data. Now the logical
drive can be expanded online whenever required.