HP 3PAR User's Guide Page 287

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Table 6 Growth Increment Per Number of Nodes (continued)
MinimumDefaultNumber of Nodes
24 GB96 GB5-6
32 GB128 GB7-8
sdgl <size> [g|G|t|T]
Specifies that the auto-grow operation is limited to the specified storage amount. The storage
amount can be specified in MB (default) or GB (using g or G) or TB (using t or T). A size of 0
(default) means no limit is enforced. To disable auto-grow, set the limit to 1.
sdgw <size> [g|G|t|T]
Specifies that the threshold of used logical disk space, when exceeded, results in a warning alert.
The size can be specified in MB (default) or GB (using g or G) or TB (using t or T). A size of 0
(default) means no warning limit is enforced. To set the warning for any used space, set the limit
to 1.
NOTE: The following options are used to control auto logical disk creation.
t <RAID_type>
Specifies the RAID type of the logical disk: r0 for RAID-0, r1 for RAID-1, r5 for RAID-5, or r6 for
RAID-6. If no RAID type is specified, the default is r1.
ssz <size_number_chunklet>
Specifies the set size in terms of chunklets. The default depends on the RAID type specified: 2 for
RAID-1, 4 for RAID-5, and 8 for RAID-6.
rs <size>
Specifies the number of sets in a row using an integer from 1 through 2147483647. If not specified,
no row limit is imposed.
ss <size_KB>
Specifies the step size from 32 KB to 512 KB. The step size should be a power of 2 and a multiple
of 32. The default value depends on raid type and device type used. If no value is entered and
FC or NL drives are used, the step size defaults to 256 KB for RAID-0 and RAID-1, and 128 KB
for RAID-5. If SSD drives are used, the step size defaults to 32 KB for RAID-0 and RAID-1, and 64
KB for RAID-5. For RAID-6, the default is a function of the set size.
ha port|cage|mag
Specifies that the layout must support the failure of one port pair, one cage, or one drive magazine
(mag). If no availability level is specified, the default is cage. This option has no meaning for
RAID-0.
ch first|last
Specifies the characteristics of the chunklets, either first (attempt to use the lowest numbered
available chunklets) or last (attempt to use the lowest numbered available chunklets). If no
argument is specified, the default characteristic is first.
p <pattern>
Specifies a pattern for disks. Patterns are used to select disks that are used for creating logical
disks. If no pattern is specified, the option defaults to all disks of the default device type specified
at creation time. If specified multiple times, each instance of the specified pattern adds additional
candidate disks that match the pattern. The following arguments can be specified as patterns for
this option:
NOTE: An item is specified as an integer, a comma-separated list of integers, or a range of
integers specified from low to high.
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