HP 273914-B21 Smart Array 6400 Series Controllers User Guide - Page 48

It was originally created on a SMART-2/P, SMART-2DH, SA-3200, SA-3100ES, SA-4250ES

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Page 48 highlights

48 HP Smart Array 6400 Series Controllers User Guide • The controller is not reading from or writing to any of the spare drives in the array. • The controller is not running capacity expansion, capacity extension, or RAID or stripe size migration. • The controller is using the latest firmware version (recommended). If you want to move an array to another controller, you must also consider the following additional limitations: • All drives in the array must be moved at the same time. • In most cases, a moved array (and the logical drives that it contains) can still undergo array capacity expansion, logical drive capacity extension, or migration of RAID level or stripe size. An exception occurs when the array meets all of these conditions: − It was originally created on a SMART-2/P, SMART-2DH, SA-3200, SA-3100ES, SA-4200, SA-4250ES, or SA-530x controller. − It is moved to a controller that does not have a battery-backed cache. − It has less than 4 MB of unused capacity. • If a controller contains a RAID ADG logical volume, none of the arrays on the controller can be moved directly to a controller that does not support RAID ADG. The arrays can be moved indirectly, as described by the instructions in this section. When all the conditions have been met: 1. Back up all data before removing any drives or changing configuration. This step is required if you are moving data-containing drives from a controller that does not have a battery-backed cache. 2. Power down the system. 3. If you are moving an array from a controller that contains a RAID ADG logical volume to a controller that does not support RAID ADG: a. Remove or disconnect the drives that contain the RAID ADG logical volume. b. Reboot the server.

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48
HP Smart Array 6400 Series Controllers User Guide
•
The controller is not reading from or writing to any of the spare drives in the
array.
•
The controller is not running capacity expansion, capacity extension, or
RAID or stripe size migration.
•
The controller is using the latest firmware version (recommended).
If you want to move an array to another controller, you must also consider the
following additional limitations:
•
All drives in the array must be moved at the same time.
•
In most cases, a moved array (and the logical drives that it contains) can still
undergo array capacity expansion, logical drive capacity extension, or
migration of RAID level or stripe size. An exception occurs when the array
meets
all
of these conditions:
−
It was originally created on a SMART-2/P, SMART-2DH, SA-3200,
SA-3100ES, SA-4200, SA-4250ES, or SA-530x controller.
−
It is moved to a controller that does not have a battery-backed cache.
−
It has less than 4 MB of unused capacity.
•
If a controller contains a RAID ADG logical volume, none of the arrays on
the controller can be moved
directly
to a controller that does not support
RAID ADG. The arrays can be moved
indirectly
, as described by the
instructions in this section.
When all the conditions have been met:
1.
Back up all data before removing any drives or changing configuration. This
step is
required
if you are moving data-containing drives from a controller
that does not have a battery-backed cache.
2.
Power down the system.
3.
If you are moving an array from a controller that contains a RAID ADG
logical volume to a controller that does not support RAID ADG:
a.
Remove or disconnect the drives that contain the RAID ADG logical
volume.
b. Reboot the server.