Chapter 6 First-Time Configuration 6-17
Note – Alternatively, you can use the graphical user interface described in the Sun
StorEdge 3000 Family Configuration Service User’s Guide to map partitions and logical
drives to host LUNs.
6.1.10 Preparing for Logical Drives Larger Than 253
Gbyte
The Solaris operating environment requires drive geometry for various operations,
including newfs. For the appropriate drive geometry to be presented to the Solaris
operating environment for logical drives larger than 253 Gbyte, change the default
settings to “<65536 Cylinders” and “255 Heads” to cover all logical drives over 253
GB and under the maximum limit. The controller automatically adjusts the sector
count. Then the operating environment can read the correct drive capacity.
For Solaris operating environment configurations, use the values in the following
table.
* These settings are also valid for logical drives that are smaller than 253 GBytes.
After settings are changed, they apply to all logical drives in the chassis.
Note – Refer to your operating environment documentation for limitations on
device sizes.
To change the Cylinder and Head settings, perform the following steps.
TABLE 6-7 Cylinder and Head Mapping for the Solaris Operating Environment
Logical Drive Capacity Cylinder Head Sector
< 253 GB variable (default) variable (default) variable (default)
253 GB - 1 TB < 65536 Cylinders * 255 * variable (default)
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