Labeling Cables; Cabling Information Provided By Storage Management Software; Common Procedures; Handling Static-Sensitive Components - Quantum StorNext QD7000 Hardware Manual

16 | Hardware Cabling Guide
Where two Ethernet ports are available on a controller, use the port labeled P1 for out-of-
Note:
band Ethernet connections. Reserve the second Ethernet port (labeled P2) for access by technical
support.
For information about how to create a redundant out-of-band topology, see
Ethernet topology
on page 134.
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Labeling cables

Cabling is an important part of creating a robust storage array. Labeling the cables identifies system
components, drive connections, and host connections. System maintenance is easier when the cables
are correctly identified. Label both ends of each cable. You can use adhesive office labels that are
folded in half over the ends of each cable. Mark the labels with the port identifiers for the ports to
which the cable is connected. You can provide additional information by using color-coded cable
straps (or ties) to group all of the cables associated with one component, drive channel, or host
channel.
If a component fails, you must disconnect the cables, replace the failed component, and reattach the
cables. Detailed labeling of the cables simplifies the component replacement process.
If you add a new drive shelf (drive tray) to an existing configuration, correctly labeled cables helps
you identify where to connect the new drive shelf.

Cabling information provided by storage management software

You can use SANtricity System Manager or SANtricity Storage Manager to view cabling
information. SANtricity Storage Manager shows a table that lists all of the connections in the cabling
topology and identifies any incorrectly cabled drive channels or non-redundant drive channels. For
more information, see the online help topics in your storage management software.

Common procedures

Make sure to understand the tasks that might be required to cable your storage array. This section
includes procedures that are common to most cable installations.

Handling static-sensitive components

Static electricity can damage dual inline memory modules (DIMMs), system boards, and other static-
sensitive components. To prevent damaging the system, follow these precautions:
• Move and store all components in the static-protective packaging in which they came.
• Place components on a grounded surface before removing them from their static-protective
packaging. Grounded surfaces include static-dissipating mats or grounded workstations.
• Always be properly grounded when touching a static-sensitive component. To properly ground
yourself, wear a wrist strap or boot strap made for this purpose.
• Handle the component by its edges. Do not touch solder joints, pins, or printed circuitry.
• Use conductive field service tools.
Fabric out-of-band