Hp Scripting Toolkit for Linux Uživatelský manuál stáhnout pdf (Strana 45)

The following defaults apply:

• For new logical drives, the default value is Disabled.

• For existing logical drives, the default value is the current logical drive setting.

ParityGroups

When you create a RAID 50 or RAID 60 configuration, you must also set the number of parity

groups.

You can use any integer value greater than 1 for this setting, with the restriction that the total

number of physical drives in the array must be exactly divisible by the number of parity groups.

The maximum number of parity groups possible for a particular number of physical drives is the

total number of drives divided by the minimum number of drives necessary for that RAID level (three

for RAID 50, four for RAID 60).

PreferredPath

If you select the Manual setting for PreferredPathMode, use the PreferredPath command

to specify the path for I/O to the logical drive on a redundant controller in active/active mode.

The default setting for this option is 1. With this setting, the controller in chassis slot 1 is the preferred

controller for I/O to the logical drive. If you select 2, the controller in chassis slot 2 becomes the

preferred controller for the logical drive.

To determine the chassis slot numbers, use the show command on a controller that supports

redundant controllers.

RAID

The value that you enter for this option specifies the RAID level of the logical drive.

• When the Action mode is Configure, and the Method mode is Auto, ACU automatically selects

the highest RAID level that the controller and drive configuration can support except RAID 50

or RAID 60. To specify RAID 50 or 60 for a controller that supports either of these RAID levels,

use the Custom setting. In this case, you must also specify the number of parity groups

(page 45).

• When the Action mode is Reconfigure, the default value is the existing RAID level for that

logical drive. If you specify a different RAID setting, then ACU either ignores the new setting

(when Method mode is Auto), or attempts to migrate the logical drive to the specified RAID

level (when Method mode is Custom).

Sectors

This option specifies the number of sectors that are to comprise each track. Enter 32 to disable

MaxBoot or 63 to enable it.

• For new logical drives, the default setting is 63 if the logical drive is larger than 502 GB.

Otherwise, the default setting is 32.

• For an existing logical drive, the default setting is the existing setting.

Logical drive performance is likely to decrease with MaxBoot enabled.

Size

Enter the capacity that you want the logical drive to have, in megabytes. The default size setting

for new logical drives is MAX. In this case, ACU creates a logical drive of the maximum possible

size from the physical drives that you assigned to the array.

In Reconfigure mode, the default setting is the existing size of the logical drive. If you enter a larger

value, ACU extends the logical drive to the new size if there is unused drive capacity on the same

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