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Using the CLI:
6. Log in to the CLI (use default user manage and password !manage, or the appropriate username and
password if they have been changed).
7. To view information about disks, run the following command:
show disks <disk-ID>
Disks are specified by enclosure ID and slot number. Enclosure IDs increment from 1. Disk IDs increment
from 1 in each enclosure (e.g.,
disk health. If health is not OK, the command output will also display recommended actions.
Determine if a disk is missing
You can determine whether a disk is missing by using management interfaces.
Using RAIDar
1. Sign-in to RAIDar using default user manage and password !manage.
If the default user or password — or both — have been changed for security reasons, enter the secure
login credentials instead of the system defaults shown above.
2. In the Configuration View panel, right-click on the appropriate enclosure under Physical.
• Select the Front Graphical tab to display a pictorial representation of disks within slots and the
supporting enclosure table showing properties and values.
• Select the Front Tabular tab to display the Enclosure's Front View data table and supporting
enclosure table showing properties and values.
3. Using the graphical and tabular views, look for gaps in the disk location sequence to determine if a
disk is missing.
Using the CLI
1. Log-in to the command-line interface (CLI) using default user manage and password !manage.
If the default user or password — or both — have been changed for security reasons, enter the secure
login credentials instead of the system defaults shown above.
2. To determine location of a missing or faulty drive, run the following command:
show disks
The command outputs a listing of detected disks' properties by location. Review the information, and
look for gaps in the disk location sequence to determine whether any disks are missing.
Verifying component operation
Check that the Power/Activity/Fault LED (LFF disks) or Power/Activity LED (SFF disks) — located on the
front face of the disk drive's escutcheon — is illuminated green. On LFF disks, this is the bottom LED. On
SFF disks, this is the left LED. Both sets of LEDs are shown in
TIP: See the AssuredSAN 3000 Series Setup Guide for descriptions of disk drive LEDs and other front
panel LEDs pertaining to 2U12 and 2U24 controller enclosures.
Also see
Using management interfaces
component operation.
Replacing a power supply module
This section provides procedures for replacing a failed AC or DC power supply module, also referred to as
a power supply unit (PSU).
CAUTION: Power supply FRU replacement activities can cause enclosure cables to disconnect and disks
to go offline.
40
Procedures
). Entering the command shown above will display the
show disks 1.7
on page 55 as an alternative to physically observing LEDs to verify
Figure 23
on page 39.
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