Initializing a disk, Initializing a disk 4-8 – HP NetRAID-4M Controller User Manual

Page 58

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4-8

Command Line Interface User’s Guide

from the

disk show defects

command with the

/full

switch. The example shows the total number of primary
defects (5) and the location of each primary defect. The
location of defect 1 is at cylinder 229, head 7, sector 203.

HPN0> disk show defects /full=TRUE (2,1,0)

Executing: disk show defects /full=TRUE

(CHANNEL=2,ID=1,LUN=0)

Number of PRIMARY defects on drive: 5

Defect 1 at cylinder 229, head 7, sector 203

Defect 2 at cylinder 575, head 0, sector 219

Defect 3 at cylinder 576, head 0, sector 55

Defect 4 at cylinder 578, head 0, sector 238

Defect 5 at cylinder 579, head 0, sector 74

Number of GROWN defects on drive: 0

The total number and location of grown defects on a disk.
Grown defects are disk defects that originate after a disk is
manufactured.

To display the location and number of grown defects on a disk
connected to your RAID controller, use the

disk show

defects

command with the

/full

switch, as in the previous

example. The example shows that the number of grown
defects is

0

.

The

disk show defects

command provides you with an

idea of how many defects currently reside on a specified disk.
You may decide to replace a disk with too many defects.

Initializing a Disk

When a disk is initialized, data structures specific to the controller
are written to the disk so that the controller can use the disk. You
must initialize all new disks to prepare them for use by the
controller.

The CLI allows you to do the following:

Display the initialization state of a disk

Initialize a disk

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